LaserBoxx series User manual
Contents
1. enable software commands DL 0 or DL 1 is received the priority is given to these commands and consequently signals on the enable pin are ignored 26 Different possibilities are available to revert this situation either send the RST command to the laser or turn off the supply power POWER TUNING As an optional feature the LCX supports power tuning This consists in adjusting the optical power according to the set point entered by the user STANDARD POWER TUNING ON LCX LASERBOXX This function allows the user to adjust the output power within a given range The laser is designed so that this adjustment occurs continuously without mode hop The standard adjustment range is 30 to 100 of the nominal power however other ranges can be applied in specific cases These are the different methods to modify the output power 1 By sending an appropriate command through one of the communication ports USB or RS 232 Refer to Annex B Software commands for their detailed description 2 By entering the power set point in the command panel of the control software control box or Slide bar see the figure 3 7 below Refer to section 4 Advanced operations for a detailed description of the control software Figure 3 1 Entering a power set point using the command software 27 532 LAS 02752 co amp ES Laser Controls Power Temperatures CHF A 123 mW enc Slider for Manual command2. DXXUS Simply Light LaserBoxx series User manual LCX models DPSS laser modules LaserBoxx series User manual Copyright Oxxius October 2015 Al Rights Reserved Oxxius S A 4 rue Louis de Broglie F 22300 Lannion France Tel 33 296 48 70 28 Mail sales oxxius com The Oxxius team thanks you for purchasing the LaserBoxx module You will find information such as datasheets for your product on the Oxxius website www oxxius com along with updates on new product releases and participation to tradeshows The team is dedicated to providing customers with the highest quality products and services Oxxius is also currently working on the ISO 9001 certification In order to constantly improve our procedures we have added to this manual the list of questions below We would be grateful if you could take the time to fill this form and fax it back to the number listed Please rate the following items 1 very poor 2 poor 3 average 4 good 5 excellent 1 2 3 4 5 uestions E E E E E Clarity of information contained in the website commercial datasheet Q E Q E Q Quality of the technical support received from Oxxius or its distributor prior to the laser purchase E Q E Q E Responsiveness Q E E E E Shipment on time Q QI QI QI QI No items missing Q E Q E Q Quality of packaging E Q E Q E Overall satisfaction with laser performance E E E E E Clarity of the information contained in User s Guide Q E E E Q
3. Declares that the following products Certificate Manufacturer Oxxius France Name of products LCX lasers LBX lasers References or models LCX products LCX wwws ppp CIR CSB OE PP LCX wwwL ppp CIR CSB OE PP LBX products LBX www ppp ELL CSB HPE OE PP LBX wwws ppp ELL CSB OE PP www for wavelength in nm ppp for power in mW Are certified according to the following standard s Electrical safety Directive 2006 95 EC 2006 12 12 NF EN 61010 1 June 2010 Edition EMC Directive 2004 108 EC December 2004 IEC 61326 1 Ed 2 2012 NF EN 61000 3 2 P amp P NF EN 61000 3 3 P amp P NF EN 61000 4 2 P amp P NF EN 61000 4 3 OEM and P amp P NF EN 61000 4 4 P amp P NF EN 61000 4 5 P amp P NF EN 61000 4 6 P amp P NF EN 61000 4 11 P amp P Laser IEC 60825 1 Ed 2 2007 03 P amp P Signature ye Thierry Georges PDG CEO Lannion September 2014 58 TECHNICAL DOCUMENTS This section lists the software commands and as well as the mechanical drawings of the laser head and the controllers Annex A Principle of operation Laserboxx laser sources operate by releasing an optical signal against a given set point The following chapters detail some of the concepts involved in the laser s operation POWER CONTROL LOOPS Only one type of loop exists to control the optical power on the LCX Automatic power control APC for short AUTOMATIC POWER CONTROL Using this control loop the user se
4. s power set point in milliwatts STA returns a number corresponding to one of the following status Warm up phase Stand by phase Emission ON Queries the state of the laser module Alarm present see section Troubleshooting for more Sleep mode information concerning the laser status Searching for SLM point DL returns one of the following text messages Laser orf Setting temperature 61 Waiting for stabilization Starting up Laser on Laser alarm Retrieves the version of the embedded 1 6 8 for firmware version 1 6 8 software VE Retrieves the status of the temperature ai 0 Temperature regulation loop is deactivated regulation loop T 1 Temperature regulation loop is activated Purpose Command Syntax and examples and aliases Configuration of the USB port standard CDC 0 CDC lt space gt 0 Standard USB or virtual serial port CDC 1 CDC lt space gt 1 USB port configured as a virtual serial port CDRH 1 CDRH lt space gt 1 a five second delay is enforced between the emission command and the Activate or deactivate the CDRH actual emission as per CDRH directives compliant five second delay prior to laser emission See section 1 Safety CDRH CDRH 0 CDRH lt space gt 0 no delay is present information for further details between the emission command and the actual emission The unit thus doe
5. the laser head should be placed on a flat surface do not put any objects on top of either the laser head or its controller For fiber terminated lasers special attention is required with the delivery fiber which should not be bent nor receive mechanical damage shear stress punching etc under any circumstances Optical fibers are made of glass and are a fragile piece of equipment The user is required to handle the delivery fiber and its optical connector with care and to have the necessary tools and knowledge to inspect and clean the end tip of the fiber 2 4 Elements description LASER HEAD Here are the accessible elements on the laser head For detailed drawings refer to the section Technical documents annex C Figure 2 2 Front view of the laser head OEM version Laser aperture Shutter fixation holes x4 Dowel hole Fixation holes x2 Figure 2 3 Rear view of the laser head OEM version Screw locks USB socket DE 15 socket Dowel slot we TR ee mn F ns Fixation holes x2 The following elements are accessible to the user Laser aperture this is the aperture from which the laser beam is released The aperture s position is also indicated by an arrow on the top label Plate fixation holes these holes are used to fix the laser head to a baseplate or to a heatsink DE 15 HD socket this socket holds the electronic interface of the laser head
6. 0 0 3 Laser on 51 28 28 264 32 750 0 0 4 Laser on 51 28 28 263 32 750 0 0 5 Laser on 51 28 28 264 32 750 0 0 6 Laser on 51 28 28 264 32 750 0 0 7 Laser on 51 28 28 261 32 750 0 0 8 Laser on 51 28 28 262 32 750 0 0 9 Laser on 51 28 28 266 32 750 0 0 10 Laser on 51 29 28 265 32 750 41 It is also possible to visualize the logged parameters in real time using the Graph button in the command panel This will open a separate window displaying the recorded parameters ordinate against time abscissa COM1 LBX 532 LAS 01691 Graph ME The frame on the top left allows the user to select which parameter should appear on the graph and on which axis Tick on the boxes before each parameter to make its data on the left axis on the right axis or on none of them RESSOURCES FOR DEVELOPPERS Software resources are available for users who wish to develop their own control program RS 232 COMMUNICATION The parameters for RS 232 communication are on the following tables In order to avoid leakage currents and potential damage to the equipment both the power supply of the LaserBoxx or its controller and the remote equipment used for the RS 232 communication should be connected to the same electrical network Table 4 1 communication parameters of the RS 232 communication Bit rate 38400 bauds 42 Parity Stop bit Flow control Table 4 2 syntax for queries and commands Query Acknowledgement QUERY lt LF g
7. 0 0019 Le L en D Top View Laser Beam a Output 2x 3 00 H7 g6 Dowel Length out 3 00 mm 3 937 100 00 The laser head is fixed using three or four M4 x 10mm screws These bolts should be tightened with a torque of 1 3 Nm Refer to figure 2 5 below 21 Figure 2 5 Positioning of the screws for the OEM version LaserBoxx THERMAL MANAGMENT Both the laser source and the control electronics generate some heat while in operation The amount of heat released is sharply increasing as the temperature of the module s baseplate is itself increasing For this reason the supporting plate must ensure a proper dissipation of the generated heat This is best achieved using a heat sink with a thermal resistance below 1 2 K W A heatsink can be proposed as an option to dissipate the excess heat part number ACX HTSK LBX In this case a free space of 10 centimeters should be maintained in front of both air vents of the heat sink to let the air flow OEM MODELS POWER SUPPLY CHARACTERISTICS The laser head must be connected to a SELV source which is as stated by UL 60950 1 is a secondary circuit which is so designed and protected that under normal and single default conditions its voltages do not exceed a safe value This secondary circuit has no direct connection to the primary power AC mains and derives its power via a transformer converter or equival
8. 64 Oxxius S A 4 rue Louis de Broglie F 22300 Lannion France Tel 33 296 48 70 28 Mail sales oxxius com 65
9. How straightforward was the installation of the laser module E Q E Q E If applicable quality of the after sales support received from the distributor Oxxius Q E Q E Q Responsiveness of after sales support Other Comments SUSSCSUIONS 5 2 eines iseccdoass ohne oi sressoiseseoesn nero 0 ioeesonise FAX BACK TO Oxxius Sales at 33 2 9648 2190 TABLE OF CONTENTS SECUON Fe Sale MOM ClOW SR ne de see ee aang aa eus 7 TPA AS Se nn eo 7 TH Anse Oo MAS SORA eee bia E EE EE E A 7 Se Aia E U E A T T E E ese 9 Standard compliance of Plug and play and OEM versions 10 PEL SAI E aac a a a ee ae 2 13 1 3 Compliance with European directives cece cece ccccneccceccceeeccceeeccenecceeesceeeecceescceesscess 15 Section 2 Gertie St ARE ne san nee one Son ee Don D ae ee D ee Dee de ee 16 2 1 MASE E S E E E E E T E E E E 16 2 2 OPerating CNVMITOMMEN 2 na e een ae ce eaa a e er TEE 18 223 pac nine and IS EAU a ae ae a ne 0 ee aan on a 18 PACKING a a sd ia ie 18 OR se ease encase ware aeacceacn ease AT 19 2 4 Elements description cee eccceescccneccceeccceessceeecceeesceeeeseeeesceeeeceeeeseeeeccesesceseesceeecces 19 SE NCA ea E EE deanuueutuusgusu de ssaseu E te usgueu de S 19 2 5 Installine the laser NEA 5 54 tneeteceseecedy ELEERI sabe sedy CRESTEA TEREK UIEN tseetedesabeseds EEEE 21 DOCUION OPa O a ie a 26 Operatine the LCX L serDOxX cscncte aiai 26 TURING the DOWElOMELS 1 et
10. The alarm sequences are summarized in the following chart Table 5 1 Alarm status and their transition sequences Normal status Emission possible Alarm LED off Alarm output signal to low TTL level Nominal situation recoverder laser reactivated Out of bound condition detected Alarm raised Emission interrupted Alarm LED lit Alarm output signal to high TTL level The possible sources of alarms and recommended measures are detailed in the following table Table 5 2 Alarm status detailed Cause for the alarm Power supply alarm The DC supply voltage is outside Check the input voltage its limit range using the RS 232 command VA Refer to the specifications for allowable voltage ranges Laser head The base temperature of the laser Check the installation of the laser head temperature alarm head is outside its nominal range section 3 2 in particular the effectiveness of 10 C 50 C of the heat dissipation beneath the base plate Refer to the specifications for allowable temperature ranges Interlock alarm The interlock circuit is open Check the continuity of the interlock circuit Once an alarm is raised the emission is interrupted and can be resumed only once the cause of the alarm is cleared The resume sequence is as follows On class 4 laser units only it is first necessary to send a rising edge on the actuated key master control On class 3b lasers apply a high signal o
11. sure to use a power cord that meets the following characteristics Connector on wall plug side In accordance to local standard An external protection device typically a circuit breaker has to be present ahead the equipment 14 1 3 Compliance with European directives The Laserboxx modules comply with the following directives Low Voltage Directive 2006 95 EC The LVD ensures that electrical equipment within certain voltage limits both provides a high level of protection for European citizens and enjoys a single market in the European Union The Directive covers electrical equipment with a voltage between 50 and 1000 V for alternating current and between 75 and 1500 V for direct current It should be noted that these voltage ratings refer to the voltage of the electrical input or output not to voltages that may appear inside the equipment Electromagnetic Compatibility Directive 2004 108 EC The ECD directive describes the ability of a device equipment or system to function satisfactorily in its electromagnetic environment without introducing intolerable electromagnetic disturbance to anything in that environment WEEE Waste Electrical Electronic Equipment European directive 2002 96 EC This symbol on the product s and or accompanying documents means that used electrical and electronic products should not be mixed with general household waste For proper treatment recovery and recycling please return this product to your
12. CX models from 5 C to 50 C operating temperature Maximum relative humidity of 80 for temperatures up to 31 C decreasing linearly to 50 at 40 C AC supply voltage fluctuating within 10 of its nominal value Transient over voltages occurring up the levels of overvoltage category II as specified in Standard IEC EN 61010 1 Temporary over voltages occurring on the mains supply Applicable pollution degree of the intended environment pollution degree 2 2 3 Unpacking and installing The laser modules should be unpacked and used in an area satisfying the following conditions a dust free area an area free from vibrations PACKING LIST The tables below list the standard elements and accessories shipped with the LaserBoxx modules If any of the accessories is damaged or missing contact your local OXXIUS representative see chapter 5 6 Table 2 1 Packing list and accessories of the LaserBoxx OEM gt version Name Reference Quantity Laser head m 1 Fixation screws M4 x10 DIN 912 4 m model dependent UNPACKING Unpack the different elements of the package listed on table 2 1 or 2 2 and check that none of the items appears damaged Please contact your representative if you have to report any damages Keep the packaging box to be able to ship the laser if necessary Follow the instructions below to install the module safely avoid undue pressure or impact to the equipment during handling and installation
13. DESCRIPTION OF THE INTERFACE PANEL Once executed the software lists the Laserboxx units connected to the computer If no laser is detected the screen appears blank as following oO Oxxius Lasers File Tools Windows Help Lasers List 2 OXXIUS Simply Light As a LaserBoxx is connected to a USB port it appears automatically on the laser list For RS 232 connections however it is necessary to click on the Refresh button Each laser is identified on the list by its communication port model emission wavelength and serial number O Oxxius Lasers File Tools Windows Help Lasers List olea F i F amp 37 Select one laser on the list and click the Connect button Alternatively double clicking on the line will also open the control panel O OXXUS Simply Light 38 USING THE CONTROL PANEL Emission control Laser radiation warning On Off 532 LAS 02752 ase Controls P OF A 150 mW De Manual commands Manual Command command box Send Power 150 0m WW Hours 351 Status bar Temperature monitoring The control panel consists of the following elements Buttons to control the laser emission A picture to indicate the emission laser radiation warning Boxes to send and receive software commands Indicators displaying the measured output power and the temperature of the base plate A box and a slider to modify the output power A status bar to in
14. Does Deco ts Does oee Docs ete Dose ose teens tee 26 POW GI CUNI serra a 27 WUNA CRE DOME QI nn EE E EE E EE onde 30 Section 4 Advanced GPE AUIONS 2 ae saone ces cesse soso dies 31 4 1 Using Oxxius software to operate the Laserboxx 31 Computer T ane se eme Dan tante see ste Das dent se ne Cordes ee Co ont 31 Installing the software SUITES ss sss essences 31 Description of the interface Panel ccccecccccnccccccccceeccceescceeecceeescceessceeescesescesessceeeecs 37 WISTS Re COME OU ARE E E 39 Sending queries and commands cecccccccccceccccsccceeccceessceeesceeescceeesceeeccceessceeesceescees 40 Data OO tenetessterseeen tes atesseusoeceutesoteneteauaeesteretenwieneeseess 40 Ressources for developpers ccceeccccncccceeccceescceeecceeesceeeeseeeesceeeeceeeesceeescesesceeeesceeeecs 42 4 2 Operating the laser using the electronic interface US A4 4 3 Laserboxx with FD COUPLES 5 882 nsc dau one caen ed on de cac ooe done cd csesdec 46 Fiber coupling single mode fiber sise essscesscscessccessssesssee 46 Fiber coupling Multi mode fiber ss ss ssssssscesessccessosesessssse 52 Section S MOUDteSMOOCING 2 cn ee nsc Ed KN NEEE ENDRO ENNEN TINKEN UNEN DINESEN AOE NTN on 53 5 1 Operating Status and alarms ssssesessecesesoscssceceosececesescososeceecsoseceoseeecosoreesoseeeceeoseeee 53 5 2 Issues with supply voltage sesessssesesseceseececesseceoesceceseeososeceeceosececeseeceoreeeoeee
15. Ip Slim LE DPSS data di ip bt et From top to bottom here are the elements present inside this window Tick the box called Data logging to enable or disable data logging The log interval determines how often the Laserboxx will be polled for data The default value is 1000 ms The log directory is where the record file will be created and the data will be saved Click on the Select button to change this directory Warning Make sure that this location is a directory you have the appropriate rights for to create and modify a file Failing to do so will result in an error when the record is launched The two following boxes contain the set of queries the Laserboxx will be polled for Edit the box named Laserboxx data by listing the queries you need to record separated by a comma um Click the Ok button once you are done This will create a file named COMXX LBX MM DD HHHH log in the record directory where XX is the number of communication port identical to the one appearing in the laser list MM is the current month DD the current day and HHHH the current time The syntax of this record is plain text so that it can be opened by any text editor as in the following example Pi COM1_LBX_12_7_11H47_log Bloc notes Fichier Edition Format Affichage Time dl ip bt et 0 0 1 Laser on 51 28 28 261 32 750 0 0 2 Laser on 51 28 28 263 32 750
16. Refer to section 4 2 for a detailed description Screw locks the DE 15 HD connector should be fixed to the laser head using these standoff screws micro USB socket this socket holds the USB interface Dowel hole and dowel slot these elements are used a mechanical references for aligning the beam 20 2 5 Installing the laser head Prior to installing please take into account the following safety recommendations No user adjustment is possible inside the laser Never open the laser module Any attempt to open the laser module will damage it and void the warranty Disconnecting the device from its electrical supply can be achieved either by toggling the power switch off or by disconnecting the DB 15 connector from its socket MECHANICAL INTERFACING The laser head should to be fixed to a metallic base which flatness is better than 0 05 mm This requirement ensures that no excessive constraint is applied to the laser head Standard machining of opto mechanical components will typically meet this requirement A particular caution is required with extruded heat sinks which could exhibit an insufficient flatness A drawing of the supporting plate is presented in figure 2 4 below Figure 2 4 Mechanical specifications of the plate supporting the laser head Units inches millimeters 4x 3 30 F 12 00 M4x0 7 6H Y 2 00 3 543 90 00 7 0 177 7 5 4 50 D D a Flatness lt 0 05 mm
17. alarm Diode current F Laser power Power supply Module temperature Base temperature Retrieves the cause of the latest alarm Interlock see section Troubleshooting for more information about alarms User generated alarm using the command RST AL returns one of the following messages Laser Head Temperature AL Interlock Power Supply Other No alarm 60 2HH 49 Retrieves the laser operation time in hours TM TIME 49 hrs 38 min HID Retrieves the unit s serial number LAS XXXXX where XXXXX is a five digit number Retrieves the type of laser LCX 532 50 for a 50mW LCX emitting at 532nm 2INT Retrieves the status of the interlock ie 0 Interlock open laser emission is not authorized circuit uK 1 Interlock closed laser emission is authorized 21V 6 601 Measures the voltage suppling the laser head expressed in Volts VA 6 168 V Retrieves the status of the emission key Signal low laser emission is not activated or the Key signal on the DE 15 a electrical interface Signal high laser emission is activated Emission is off Retrieves the emission status Emission is off Emission is on at low power Retrieves the laser s measured output power in milliwatts Retrieves the temperature of the electronic board embedded inside the laser head expressed in Celsius degrees Retrieves the laser
18. ation Once the command has been sent and the 5 second safetey delay ellapsed the emission occurs much faster than for the standard emission mode typically within one second To come back to the normal mode of emission proceed as follows Send the command DL 1 or Apply a TTL low then a high signal on the emission key 29 TURNING THE POWER OFF ON OEM MODELS Apply a TTL low signal on the enable pin then turn off the power supply You can to turn the emission off using any of these methods Send the software command DL 0 through one of the communication ports USB or RS 232 Refer to Annex B Software commands for a detailed description Apply a permanent TTL low signal on the Laser enable pin number 2 Apply a permanent TTL low signal on the Actuated key master control pin number 1 Leave the interlock pin pin number 3 floating or apply a permanent TTL low signal on it This will also lock the laser and prevent any emission see resuming the emission below Resuming the emission In the event where an alarm is raised or if the interlock circuit is opened then the emission is interrupted in a manner that is considered to be extraordinary and the unit is locked The resume sequence is as follows 1 On class 4 laser units only it is first necessary to first send a rising edge on the Actuated key master control
19. ation Details the warranty applied on this device and the conformity to related standards 7 Technical documents Miscellaneous technical information 2 1 Laserboxx overview The LaserBoxx is a family of laser sources based on a common platform and sharing the same footprint Their architecture draws on state of the art solid state lasers enabling rugged and maintenance free sources providing a high optical power and a stable output in a compact footprint These laser sources feature Ultraviolet visible or infrared outputs from 375nm to 980 nm emitted from either laser diodes or from patented alignment free monolithic resonators common mechanical and electrical interfaces alow power consumption elliptic circular beams or fiber coupled output beams an outstanding power stability and low noise emission temperature stabilized emitters and beam shaping optics USB and RS232 communication channels Plug and Play versions of the modules with shutter and ControlBoxx or Remoteboxx controllers The LCX Laserboxx are models that embed a monolithic diode pumped solid state DPSS lasers The Laserboxx sources consists of a laser head from where the optical signal is emitted and an optional controller The set formed by the laser head its controller and the cable linking them will be called a laser module in the present document Plug and play and OEM versions The LaserBoxx lasers sources c
20. ation with the other counter screws proceeding in the same way After adjusting the three screws start a second round and re adjust the first counter screw and so on At the end of the last round tighten the last counter screw so as to maximize the output power level You can now gradually increase the output power up to its nominal set point As a final check make sure that the transmission ratio has not decreased 50 Checking the alignment possible way to check the alignment s robustness is by pressing gently on the connector in all directions see Figure 55 when thus pressing the signal s power should decrease but it should then recover its initial value once the pressure is released If this is not the case the coupler s alignment is not optimized The test gives a hint about the direction where more pressure should be applied to the fiber i e which counter screw sould be tightened Use this information and follow the steps of 85 2 3 and 5 2 4 to re optimize the coupling Figure 4 6 Checking the stability of the adjustement 51 FIBER COUPLING MULTI MODE FIBER Fiber coupling on LaserBoxx is also available with multimode fibers The standard fiber have a numerical aperture of 0 22 a core diameter of 50 microns This procedure explains how to retrieve an optimal coupling efficiency We recommend do not change the centration of the coupler holder To avoid damage of the fibers end face the following adj
21. available on www SuKHamburg de The high quality of these couplers guaranties a long term stability INSTALLATION In order to bolt the laser head onto the base plate use the 3 screws M4 10 mm length delivered with your LaserBoxx These bolts should be tightened using a torque screwdriver adjusted to 1 3 Nm WARNING Coupling efficiency can be altered if you fix the product on a plate with an insufficient flatness USING THE COUPLED FIBER To prevent damaging the fiber check the ferrule it before each use using a dedicated microscope and clean it if necessary Use a fiber connector cap to protect the end face of the fiber whenever it is not in use Turn on the LaserBoxx See section Operation and check your output power using an optical power meter TROUBLESHOOTING If your product do not reach the level measured at factory please check the following procedure Fiber connector 46 o Clean the connector using a connector cleaner Warning emission must be absolutely be turned off during this operation Check the connector end with a binocular If the connector is damaged replace the patchcord or polish it again Fiber aspect Check integrity of the fiber marks small curvatures on the cable issue from transportation Mechanical mount o Ifthe flatness of the base is not flat enough it will induce mechanical tilt on the LaserBoxx and modify the previous coupling efficiency o Unscrew tightly the 3 maintaining scr
22. ce with CDRH requirements this indicator is lit for 6 seconds from the moment where the emission command is received to the moment where the laser is actually emitting It is thus providing a delay for the user to be warned about the imminent emission OPTICAL SHUTTER FOR PLUG AND PLAY VERSIONS ONLY A mechanical shutter fixed on the laser head allows for a complete extinction of the beam The laser compliance of the Laserboxx is summarized in the following table Oxxius Oxxius LaserBoxx LaserBoxx Plug and Play OEM Laser Safety Compliance IEC60825 1 Complies with IEC 60825 1 and US FDA CFR 1040 10 and 1040 11 except for deviations pursuant to Laser Notice N 50 dated June 24 2007 eerste h E Laser Products Conformance with IEC 60825 1 product and IEC 60601 2 22 Guidance for Industry and FDA Staff Laser Notice No 50 21CFR1040 10 Yes 21CFR1040 11 Yes CDRH compliance 12 1 2 Electrical safety The Oxxius LaserBoxx products do not contain hazardous voltages Warranty will be voided if the enclosure is disassembled Electrostatic discharges ESD One of the causes of ESD events is static electricity Static is created when there is movement When objects rub together there is friction and this causes the surfaces to interact An excess of electrons appears on one surface while there will be a deficiency on the other The surface with the excess of electrons becomes negatively charged
23. dicate the laser status the output power and the total hours of emission 39 To start the emission click on the On button The output can be adjusted on specific models using the slider or entering a set point into the box The status of the laser is displayed at the bottom left corner of the window SENDING QUERIES AND COMMANDS Communication with the laser source is performed by transmitting queries and commands Any query or commands can be entered manually using the command box Please refer to the Annex B software commands for the list of these commands Type your query inside the box then press Enter or press the button Send Answers are displayed in the box below The laser unit will answer to a query or a command which syntax is not understood The laser unit will answer OK to a command which has been acknowledged A query which has been acknowledged by the laser returns the queried value or chain of characters DATA LOGGING Data logging is a function that allows the user to record the functional status of the Laserboxx over time To do so it is first necessary to configure this function first click on the Tools menu and select Data logging options File Tools Windows Help This will open a separate configuration window 40 Data logging configuration Data logging Lag interval 10000 m Log directory CA LaserBoxx data 2p 2c Mbt Pdt dl li dl
24. eceoeeeeo 55 Deo ISSUES WIEN Pack releECUON serrr need etant etant teen 59 5 4 Uninstalling and repacking procedures ss 56 979 OXXIUS WORGWIGECONLACKS 5 sia swtas vans ades sta seuss waasndaeviaswdasvansadaeeaaswese sae 56 Warran and COPE MCA CON accu EEEE EENEN 5 7 6 1 Standard Warranty ne ane deco ee cou dada aa ca ace se 00 ad die do 5 7 6 gt 2 Declaration af COMORES a a do a ee en ea a de ei 58 MIA Gh CCE EE EE E EEEE O EEE ka arses steers wees 59 Annex A Principle of operation cceccccnccccceccceescceeeccceescceeesceeeeceeeesceeesceeesseeeesceeescees 59 POW Gl COMUIOL OO sasenuss cot naceetasenees canes sas 59 Annex B Software commands sssossossossossossossossossossossossossossossossossossossossossossossossosso 60 Command and queries for the LCX LaserBOXX ssssesesesescesesoecescecesesoroseeecosorececeoeeororeeee 60 Annex C Mechanical drawingsS ssesesescecescecesesceceseeceoesceoeeseceoeeeeceeeeceoeeeeoesesceoeeeeceeeee 64 LCX laser head OEM VEISION sen ncenacacaceenncsasesaneweceaduedecdineseeeaesesssacecenesecaessscsaqacaseencsenent 64 SECTION 1 SAFETY INFORMATION Please read this manual carefully before using this device in order to ensure a thorough understanding of all its functions and its efficient use If the device is used in a manner not specified by Oxxius the protection provided by the device may be impaired Note that Oxxius bears no responsibility fo
25. ector at an angle as shown on Figure 52 and insert the ferrule into the beam coupler carefully avoiding any contact on the ferrule s end face Once the ferrule is inserted align the connector s key with the notch on the coupler then gently push the connector inside the coupler and lock the connector s box nut by rotating it to the right do not use any tools to fasten the connector use only your hand Fasten the coupling nut of the connector completely Slightly and gently fasten the pin screw in order to reduce the slackness of the ferrule inside the alignment sleeve Be warned that fastening the screw too hard can affect the polarization State in the fiber and damage the screw Figure 4 3 Pin screw coupler side and connector s key Pin screw 48 Finding a signal To inject a laser beam into a fiber one has to align the focus point of the coupling lens with the center of the fiber s core Given the core size of a single mode fiber typically a few microns the alignment procedure is painstaking and requires both patience and precision in the handling of the coupler You will need an optical power meter equipped to accept your fiber s connector and able to measure optical powers ranging from a few tens of uW to a few tens of mW Firstly make sure that the three counter screws pin screws see Figure 53 are loosened by 2 or 3 full turns Figure 4 4 Position of the counter screws Counter screws 3 Pr
26. ent isolation device Here are the specifications of this power supply Supply voltage Standard range Any voltage between 5 0V and 12 0V Absolute ratings 4 5V minimum 12 5V maximum Drive current 5 0A maximum 22 Note concerning the drive current The maximum drive current can be determined according to the maximum power consumption of the laser unit which in turn depends on the laser model nominal optical power and wavelength Here is a table to tailor your power supply according to the needs of your laser unit Table 2 6 Maximum power required to supply the different models of LCX Laserboxx Model gt LCX 532 LCX 553 LCX 561 Nominal power J Less than 200mW ELECTRONIC INTERFACE OF THE LASER HEAD The connector of the interface on the laser head is a female 15 pin Sub D type The mating male connector can be found on Radio Spares under the reference 674 0953 Refer to the following table for the pin assignment Table 2 7 Pin assignment of the interface LCX Laserboxx models eo re ee ee TTL Low No emission for OEM use CDRH 0 Actuated key mer master control TTL High Laser emission for OEM use CDRH 0 pull down Rising edge Laser emission for CRDH use CDRH 1 TTL Low Laser Off 100 kO 2 Laser Enable Input TTL High Laser On pull down Open TTL Low No emission 100 kO 3 Interlock Input Closed to 5V TTL High Laser emission is possible pull down 23 4 RS 232 Rx Input To comp
27. er in 0 2V Mod out 0 5V Laser ready in Fault In Digital O Laser Enable out Key Control O GND Interlock out Laser enclosure PS 6VDC PS GND An all purpose interface for laboratory Laser enclosure Power out 0 2V 443 T Q I u Power and Analog Mod Gnd 9 ria las 5 In 0 5V 8 LL N Power Supply Input 6VDC 3A Interlock m 1 1 2 Key Control Power Supply GND 13 44 Power adjustment or analog modulation of the output power For LaserBoxx models that accept power adjustment or analog modulation the following connections Will allow an external equipment to modulate the optical signal rE a E D 5 D Q O D D N a I z Power Supply GND y Power Supply Input 45 4 3 Laserboxx With fiber coupling When a LaserBoxx is provided with a fiber coupling option a laser beam coupler is attached to the optical head Its function is to inject the laser s beam into the fiber s end face The alignment between the fiber and the laser beam is performed and tested at Oxxius manufacturing facilities However optimization of the coupling ratio might be required for example after a transport The following sections will describe how to use and adjust these elements FIBER COUPLING SINGLE MODE FIBER Single mode SM or polarization maintaining PM fiber coupling are options that employ a beam coupler from Schafter Kirschhoff More information is
28. ercents Repeat the operation with the next adjustment screws proceeding in the same way After adjusting the three screws start a second round and re adjust the first screw and so on Make sure to always adjust the screws in the same sequence for example 1 gt 2 gt 3 gt 1 gt 2 gt 3 The maximum power level is typically achieved after three rounds of adjustment Be aware that repetitive squeaks indicate that a screw is tightened too strongly a situation that should be avoided Before proceeding to the next step check that the insertion losses i e the difference between the laser s power settings and the output power as measured by the power meter at the fiber s end do not exceed 100 mW Fine adjustment and locking Take note of the power delivered at the output fiber and compute the transmission ratio i e the measured output power divided by the raw output power obtained at the same set point The fiber s coupler adjustment is now near its optimum and you can proceed with the final phase achieving the maximum coupling efficiency by adjusting the three counter screws the small pin screws see figure 53 Using the same procedure as before start from a state where all three counter screws are equally loosened Then tighten slowly the first counter screw until the optical signal reaches a relative maximum and fasten it a little more so that the signal s power decreases slightly Repeat the oper
29. estination location C Program Files x86 Oxxius lasers Start Menu Folder Oxxius lasers 33 The last step of the installation suggests to install the USB drivers see the screenshot below Oxxius recommends that you do so if Setup Oxxius Lasers Completing the Oxxius Lasers Setup Wizard Setup has finished installing Oxxius Lasers on your computer The application may be launched by selecting the installed icons Click Finish to exit Setup Launch Oxxius Lasers Depending on the operating system of the computer it might be necessary to restart the computer With 64 bit OS a warning will appear Press Finish to close the wizard and complete the installation Device installation over a USB port Using the USB interface of a Laserboxx unit will first require that this former is detected by the operating system Connect the USB cable between both the Laserboxx head and your computer Turn on the supply voltage of the laser Depending on the operating system the installation is either automatic or requires some confirmations f prompted do not authorize Windows to connect to Windows Update as in the screenshot bellow 34 Assistant Mat riel d tect Assistant Ajout de nouveau mat riel d tect Windows recherche les logiciels en cours et mis jour sur votre ordinateur sur le CD d installation du mat riel ou sur le site Windows Update avec votre permission Lisez no
30. ews of the LaserBoxx and see if the power increase If yes the flatness has to be improve Incident power o Check the incident power front of the coupler using the software provided by Oxxius Incident power must be at nominal power o If not put it at nominal power using scroll bar Measurement material o Check the calibration or setup wavelength selection of your radiometer If after all these checks the fiber coupling is not good enough it is necessary to make the coupling again using the following procedure COUPLING PROCEDURE This procedure in this section explains how to maximize the coupling efficiency i e the fraction of the lasers s power successfully injected into the fiber for example when you need to change or disassemble the delivery fiber We recommend not to change the centration of the coupler holder and the coupler s orientation because the coupler holder is aligned with the beam in the factory and the fiber coupler s orientation is adjusted to be aligned with the laser s polarization 4 Polarization Attaching a single mode fiber cable to the laser beam coupler Only use fiber cables terminated with FC APC 8 angle connectors as provided by Oxxius To attach such a fiber Make sure that the pin screw holding the connector ferrule is loosened and does not impair the insertion of the ferrule into its holder see Figure 52 Failing to do so can damage the connector Approach the fiber conn
31. install or terminate fibers or collimators when the laser is active Follow the dedicated instructions in section 5 Always switch the laser off when working with the output such as mounting the fiber or collimator into a fixture etc If necessary align the output at low output power and then increase the output power gradually Ensure that the work surface is properly vented The gases sparks and debris that can be generated from interaction between the laser and the work surface can pose additional safety hazards Avoid using the laser in a dark environment For fiber coupled laser sources do not enable the laser without a coupling fiber or equivalent attached to the optical output connector PROTECTIVE EYEWEAR The use of eye protection is strongly recommended when operating lasers of any class beyond class 1 Eyewear is rated for optical density OD which is the base 10 logarithm of the attenuation factor by which the eyewear is reducing beam power For example eyewear with OD 3 will reduce the beam power in the specified wavelength range by a factor of one thousand In addition to an optical density sufficient to reduce beam power to below the maximum permissible exposure laser eyewear used where direct beam exposure is possible should be able to withstand a direct hit from the laser beam without breaking The protective specifications wavelengths and optical densities are usually printed on the goggles generally near the to
32. installed by running the setup exe file located on the USB flash drive provided with the laser Alternatively you can download the latest version of our control software from the following URL www oxxius com download f09512dd exe Executing the file setup exe prompts a standard installation wizard if Setup Oxxius lasers Select Destination Location Where should Oxxius lasers be installed Setup will install Oxxius lasers into the Following Folder To continue click Neck IF you would like to select diff rent Folder click Browse Program Files x86 Oxxius lasers Browse At least 1 4 MB of Free disk space is required ie Setup Oxxius lasers Select Start Menu Folder Where should Setup place the program s shortcuts Setup will create the program s shortcuts in the Following Start Menu Folder To continue click Next IF you would like to select different Folder click Browse Oxxius lasers Browse Don t create a Start Menu folder 32 ie Setup Cawius lasers Select Additional Tasks Which additional tasks should be performed Select the additional tasks you would like Setup to perform while installing Gxxius lasers then click Mest Additional icons i Setup Oxxius lasers Ready to Install Setup is now ready to begin installing Oxxius lasers on your computer Click Install to continue with the installation or click Back if vou want to review or change any settings D
33. local representative Disposing of this product correctly will help save valuable resources and prevent any potential negative effects on human health and the environment which could otherwise arise from inappropriate waste handling This symbol is only valid in the European Union If you wish to discard this product please contact your local authorities or dealer and ask for the correct method of disposal ROHS 2 compliance In order to supply environment friendly products to customers we make all Oxxius products comply with RoHS 2 directive Mechanical resistance to shock and impact The laser head is rated for impacts up to 5 Joules of energy levels SECTION 2 GETTING STARTED This manual provides the information necessary to check the functionalities and operate the laser sources Be sure to read this manual carefully in order to use them safely This manual is composed of the following sections 1 Safety information Be sure to read this section first to use the laser sources safely 2 Getting started Describes the packing list the environment it should be used in and the procedure about how to install it 3 Operation Describes the elements of the laser source and explains its basic operation 4 Advanced operations Describes how to use the software interface the electronic interface and how to adjust the fiber couplers 5 Troubleshooting Describes instructions to solve issues related to operation 6 Warranty and certific
34. n pose a risk of igniting flammable materials However this is only likely if the beam has a small diameter or is focused Class 4 laser sources laser products that are normally hazardous when intrabeam ocular exposure occurs including accidental short time exposure Viewing diffuse reflections is not safe Class 4 lasers can produce severe skin injuries and can pose a risk of igniting flammable materials SAFETY FEATURES ON THE LASER UNITS The aforementioned safety standards demand that some safety features are present on the laser units in order to inform the user about the laser radiation and prevent an accidental exposure Some of these features are only present on the Plug and Play versions of the Laserboxx laser sources the location of the laser Figure 1 2 Label for LCX models Lu oO ves Lu ou lt oO Lu e9UBI UJ PEN SONVYS o 601g ep sino7 en py Y S SNIXXO This laser product does not conform to US 21 CFR 1040 10 Figure 1 3 Label for LBX models LL ad j va LI uL lt oO LU 4 eoues4 ul PE JONVYS uojuue O0EZZ 9116019 ep sino7 em y Y S SNIXXO 2 Ca ibn Ajdwys NS STUKKC 11 aperture and the emission wavelength Refer to the following figures to locate these labels on the The labels present on the laser head inform the user about the laser class different Laserboxx models LABELLING and 1040 11 or IEC 60825 1 requirements It is designed for a use
35. n this pin On laser units of any class Any of the following actions will resume the emission o Using RS 232 or USB communication port send the command DL 0 The emission can now be resumed using the command DL 1 Using the electronic interface re activate the laser using the pin Enable Using the software interface re activate the laser using the button Reset 5 2 Issues with supply voltage A non suited power supply may impair the operation of the laser unit In particular an undersized power supply might lead to A drop of the supply voltage during operation An alarm is raised when the supply voltage is detected as insufficient Instabilities of the optical output power To check if the voltage supplied to the laser unit is sufficient and stable use the query VA Refer to section 4 chapter 4 1 for detailed instructions about using this query The wires supplying the current from the power supply to the laser head will cause a voltage drop depending on their length and section The voltage measured at the inlet socket of the controller as indicated on the schematic below must be within its nominal operating range LaserBoxx Controller Power supply Measurement point 5 3 Issues with back reflection An excessive light entering the laser module either from back reflections of its beam or from other light sources in the setup will lead to an unstable operation of the LaserBoxx In order to asse
36. ntal conditions such as condensation moisture dust will void the warranty Limitations of warranty This warranty applies when this device is purchased only from Oxxius or from an Authorized Oxxius representative and is subject to the limitations set forth herein The following items are not covered by this warranty Any damage to the device resulting from customization or modification integrating products from others manufacturers Any device whose serial number is missing altered Any repairs or adjustments made by unauthorized people Any attempts to open the laser device Any use in improper environmental conditions condensation dust Any faulty customer equipment system Fiber optic patchcords and coupling optimization Scratches on optical output windows or on any other optical component supplied with options due to bad cleaning method Repaired or replaced parts are warranted for the duration of the original warranty period only THE FOREGOING CONSTITUTES THE ONLY WARRANTY WITH RESPECT TO THE PRODUCT AND IS MADE EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED AND DOES NOT COVER INCIDENTAL OR CONSEQUENTIAL LOSS OXXIUS makes no warranty of any kind with regard to the information contained in this guide included but not limited to implied warranties of merchantability and suitability for a particular purpose 6 2 Declaration of conformity CE Adress 4 rue Louis de Broglie 22300 Lannion
37. ocedure Power up the laser set the optical output to a value below 50mW and turn the emission on Warning the laser is now emitting Proper protection measures against laser light shall be enforced Set your power meter to its smallest power range so it can detect even small differences in optical power and attach it to the fiber s end Locate the adjustment screws they have a 1 5 mm hex cylindrical head see Figure 54 and turn them one by one with an Allen 50HD 15 wrench until the power meter s reading indicates that optical power has been detected A good adjustment sequence should be so that any possible position is scanned once Figure 4 5 Position of the adjustements screws Adjustment screws 3 49 It is sometimes useful to loosen a bit the box nut on the fiber connector and to pull back slightly the fiber connector Some defocussing will happen and the light s spot on the connector end face is larger and therefore easier to find Fasten the box nut again when you have detected optical power Increasing the signal Once an optical signal is detected the power meter s sensitivity shall be changed accordingly The next step consists in maximizing the signal s power by turning the adjustement screws one by one Start with one adjustment screw and tighten it slowly until the optical signal reaches a relative maximum Then fasten this first screw a little more so that the signal s power decreases by a few p
38. ome in two versions Plug and play versions are meant to be accessed physically by the user typically in a laboratory or bench top environment It offers a direct access to most of the functions and to some important safety features Refer to section 1 Safety information for a detailed list of these features and the relevant standard compliance Original Equipment Manufacturer or OEM versions are designed for integration into an industrial device or system These versions generally do not include any controller nor any safety feature Using the laser head without its controller is equivalent to using the laser as an OEM part The OEM version is intended for integration into a larger system supervised by the user and should therefore not be used as is in another environment such as a laboratory The equipment into which the laser is integrated must comply with the laser safety standards listed in section Warranty and certification Oxxius bears no responsibility in any lack of compliance with safety standards of the environment in which the Laserboxx is used without its controller 17 2 2 Operating environment In compliance with IEC EN 61010 1 standard the LaserBoxx modules are intended to be used in an environment meeting the following conditions Indoor use Altitude up to 2000 meters Ambient temperature from 5 C to 45 C operating temperature Base plate temperature for L
39. ontrol the LaserBoxx remotely using a USB interface The USB socket is located on the rear side of the laser head The required cable is a standard USB A to micro B cable see the illustration below Figure 2 10 USB A to micro B connection cable 25 SECTION 3 OPERATION 3 1 Operating the LCX Laserboxx The laser module is assumed to be correctly installed and connected to a suitable power supply Refer to the previous section Starting up if necessary TURNING THE POWER ON ON OEM MODELS Turn on the power supply The laser head will instantly work to stabilize the temperature of its inner elements At the same time RS 232 and USB communication ports will be accessible Apply a permanent TTL high signal on the interlock pin to unlock the laser Apply a permanent TTL high signal on the emission key pin to allow the emission To start the emission apply a permanent TTL high signal on the enable pin or send the appropriate command through one of the communication ports USB or RS 232 Refer to Annex B Software commands for their detailed description The start up sequence will then begin this may take up to 10 minutes for LCX models The enable pin and the enable software commands both drive the laser emission As a result a priority scheme has been enforced to avoid conflicts On start up the unit reacts to the enable pin As soon as one of the
40. p of the unit Oxxius recommends that laser users investigate any local state federal or governmental requirements as well as facility or building requirements that may apply to installing or using a laser or laser system STANDARD COMPLIANCE OF PLUG AND PLAY AND QEM VERSIONS The LaserBoxx in Plug and Play version complies with all the requirements of the European Laser Safety Standard 60825 1 and US FDA CFR 1040 10 and 1040 11 except for deviations pursuant to Laser Notice N 50 dated June 24 2007 Laser Products Conformance with IEC 60825 1 and IEC 60601 2 22 Guidance for Industry and FDA Staff Laser Notice No 50 The Laserboxx in OEM version is intended for integration into a larger system under the control of our customers and should therefore not be used as is in another environment such as a laboratory The equipment into which the laser is integrated must comply with the laser safety standards listed above Therefore Oxxius bears no responsibility in any lack of compliance with safety standards of the environment in which the LaserBoxx OEM version is used DESCRIPTION OF HAZARD CLASSES The Laserboxx laser sources either belong to class 3b or class 4 Class 3b laser sources laser products that are normally hazardous when intrabeam ocular exposure occurs including accidental short time exposure Viewing diffuse reflections is normally safe Class 3B lasers may produce minor skin injuries or eve
41. pigmentation Ultraviolet A 315 to 400nm Photochemical UV cataract Pigment darkening Skin burn Visible 400 to 780nm Photochemical and thermal Photosensitive reactions retinal injury Skin burn LASER CLASSIFICATION The lasers sources are categorized according to their ability to harm the exposed bodies from class 1 no hazard during normal use to class 4 severe hazard to eyes and skin The classification of a laser is based on the concept of accessible emission limits AEL that are defined for each laser class This is usually the maximum power in Watts or energy in Joules that can be emitted over a specified wavelength range and exposure time It is the responsibility of the manufacturer to provide the correct classification of a laser and to equip the laser with the appropriate warning labels and safety measures as prescribed by the regulations The identification process is accomplished by affixing a warning label onto the product Along with text warnings these labels include information pertaining to the emitted wavelength the total output power and the laser classification of the device SAFETY GUIDELINES Any person using a laser should be aware of the risks involved This awareness is not just a matter of time spent with lasers to the contrary long term dealing with invisible risks such as from infrared laser beams tends to dull risk awareness rather than to sharpen it Please take time to read and understand this man
42. pin number 1 On class 3b lasers sources applying a permanent high TTL Signal is enough 2 Any of the following actions will resume the emission o Using RS 232 or USB communication port send the command DL 0 The emission can now be resumed using the command DL 1 o Using the electronic interface re activate the laser using the pin Enable o Using the software interface re activate the laser using the button Reset 30 SECTION 4 ADVANCED OPERATIONS This section describes how to use the control software how to control the Laserboxx through the electrical interface and how to adjust the coupling of the laser in an optical fiber 4 1 Using Oxxius software to operate the Laserboxx It is possible to control the LaserBoxx remotely using a computer using either a serial port RS 232 protocol or a USB port USB protocol or serial communication through virtualization The control software allows the user to monitor and control several Laserboxx modules at once COMPUTER REQUIREMENTS Oxxius software is compatible with the following operating systems Windows XP SP2 32 bit version Windows Vista 32 bit and 64 bit versions Windows 7 32 bit and 64 bit versions Windows 8 32 bit and 64 bit versions Windows 10 Microsoft NET 3 5 framework is required If it is not installed you will be asked to download and install it INSTALLING THE SOFTWARE SUITE Oxxius control software is
43. r the result of operations caused by an incorrect or inappropriate use of this device ADVISORY LABELS Advisory labels are applied to Oxxius products in locations where specific dangers exist or where a specific attention is required Pay careful attention to these labels during handling Do not remove nor tear these labels If you have any questions regarding warning labels please ask your nearest Oxxius representative refer also to chapter 5 6 of the present manual for worldwide contacts instruction manual is mandatory prior to using the laser module or performing any level of This symbol appears on the laser head and its controller if any It means that reading this A maintenance This symbol warns the user against the danger of being exposed to hazardous visible or invisible laser radiation 1 1 Laser safety THE DANGER OF LASER SOURCES Light produced by a laser source exhibit proprieties that make it much different from sunlight or the light emitted from a bulb These proprieties induce specific hazards associated during operation and service of the laser source Lasers light sources produce a highly intense light either visible or invisible to the human eye Laser light is coherent which means that it is able to build stable interferences These interferences can be intense patterns that are more hazardous than non coherent light of the same wavelength and intensity Laser beams are often collimated or diverge slowly
44. rt this cause of instability it is recommended to start the laser with its shutter closed or using any other beam dump and to note whether the laser starts normally under these conditions 5 4 Uninstalling and repacking procedures If your LaserBoxx unit does not seem to be operating correctly please take contact with your local representative for support If a unit needs to be returned it is necessary to obtain a returned merchandise authorization RMA from Oxxius prior to returning the product 5 5 Oxxius Worldwide contacts Your local representative can be found on our website www oxxius com Corporate headquarters Oxxius S A 4 rue Louis de Broglie F 22300 Lannion France Phone 33 296 48 70 28 Fax 33 296 48 21 90 E mail support oxxius com WARRANTY AND CERTIFICATION 6 1 Standard warranty Limited Lifetime Warranty During the warranty period Oxxius will at its option either repair or replace product Oxxius representative from whom you purchased your device should be the first point of contact when service of any kind is required for your Oxxius devices All transportation insurance and freight charges associated with warranty service and repairs on Oxxius devices are the responsibility of the purchaser User s responsibilities Technical specifications have to be followed by the user in order to respect the conditions for which the product has been developed Improper electronics levels or environme
45. s not comply with CDRH directives Control of the laser emission DL DL 0 DL lt space gt 0 switches the emission off DL 1 DL lt space gt 1 switches the emission on L DL 2 DL lt space gt 2 switches the emission on at low power for optical alignment purpose Modifies the power set point for models IP 100 IP lt space gt 100 sets the optical power at that accept power adjustment 100 of the nominal power IP 50 IP lt space gt 50 sets the optical power at 50 of the nominal power P 250 3 P lt space gt 250 dot 3 sets the optical power at 250 3mW Re initialize the unit RST RST 0 RST lt space gt 0 Resets the microcontroller Switches the temperature regulation T T O T lt space gt 0 switches the regulation loop off loop ON or OFF This regulation loop is ET ie ace the en no necessary for the emission to occur APE ECC aW Switching it off helps reducing the power consumption 62 After having received and successfully processed a command the Laserboxx returns an acknowledgement message OK If the entered command or query is not understood by the unit the following error message is returned For 63 Annex C Mechanical drawings LCX LASER HEAD OEM VERSION 30 00 5 00 3 00 H7 x7 00 Dowel Slot dx 4 20 TO Ue m F al oi O I z I 2 Controller connector l l 23 00 H7 Dowel Hole Usb pr eh I 5 20 00 Rear view W All dimensions in mm Laser head
46. s output power Set point box 82 3 By applying a voltage on the control interface Refer to the Annex C Electronic interface for a description of this interface Specific behavior of the LCX Laserboxx with power adjustment It takes a few seconds less than one minute for the LCX to stabilize to a new power set point When the emission is starting up the laser first settles to its nominal power level 100 then reaches the specific set point previously set LCX LASERBOXX ALIGNMENT MODE LOW POWER BEAM Some work or applications might require to release the output beam at a low power level typically for aligning optical elements The LCX meets this requirement In this case the output s characteristics are as follows optical power between 1 and 2 of the nominal level optical noise and stability not guaranteed as per the standard specifications To turn this emission on proceed as follows Prepare the unit for emission as described on the preceding paragraph Turning the power on OEM or Plug and play version Instead of turning the emission on using either the key a software command or the Enable signal send the software command DL 2 to the LCX 28 Despite its relatively low level the optical power released generally exceeds the level of an eye safe class 1 laser source Appropriate laser safety measures should therefore be enforced without mitig
47. so that they maintain their harmful proprieties over long distances BIOLOGICAL EFFECTS OF LASER BEAMS Here are some known and documented effects of intense laser light over biological bodies Eye injury because of its high degree of collimation a laser beam act as an almost punctual source of intense light A laser beam of sufficient power can in theory produce retinal intensities at greater magnitudes than conventional light sources even greater than what would be a direct viewing of the sun Permanent blindness can result from such exposures Thermal injury the most common cause of laser induced tissue damage is thermal in nature where the tissue proteins are denatured due to the temperature rise following absorption of laser energy Other damage mechanisms have also been demonstrated for other specific wavelength ranges and or exposure times For example photochemical reactions are the principal cause of threshold level tissue damage following exposures to either actinic ultraviolet radiation 0 200 um 0 315 um for any exposure time or blue light visible radiation 0 400 pm 0 550 pm when exposures are greater than 10 seconds Table 1 1 Summary of basic biological effects of light Photobiological spectral domain Effects on the eye Effects on the skin Ultraviolet C 200 to 280nm Photokeratitis Erythema sunburn Skin cancer Ultraviolet B 280 to 315nm Photokeratitis Accelerated skin aging Increased
48. solely as component of a complying electronic product This laser product does not conform with US 21 CFR 1040 10 and 1040 11 or IEC 60825 1 requirements It is designed for a use solely as component of a complying electronic product LASER RADIATION AVOID EXPOSURE TO BEAM CLASS 3B LASER PRODUCT Emission wavelength 532nm VISIBLE AND INVISIBLE LASER RADIATION AVOID EXPOSURE TO BEAM WAVELENGTH 315 1400 nm POWER UP TO 500 mW CLASS 3B LASER PRODUCT APERTURE LOCATION The laser radiation is generated within a metal protective housing which should never be opened Laser beam output aperture is indicated INTERLOCK LaserBoxx controllers are provided with an accessible interlock circuit When this circuit is open typically using dedicated terminals the laser emission is cut ACTUATED KEY MASTER CONTROL FOR PLUG AND PLAY VERSIONS ONLY LaserBoxx controllers are provided with an actuated key master control This lock and key control the emission The laser emission is not possible when the key is absent from the lock or in OFF position The key is removable only when in OFF position Please note that this function is also present on the OEM version as a dedicated electrical pin Please refer to the product description for detailed information EMISSION WARNING INDICATORS FOR PLUG AND PLAY VERSIONS ONLY LaserBoxx controllers are provided with an emission indicator located on the front panel In complian
49. t Or QUERY lt LF gt QUERY TXT lt CR gt lt LF gt Command Acknowledgement COMMAND TXT lt LF gt Or COMMAND TXT lt LF gt COMMAND TXT lt CR gt lt LF gt Where Command is a string of ASCII character lt CR gt is the Carriage Return ASCII code 13 and lt LF gt represents the Line Feed ASCII code 10 Refer to Annex B software commands for the exhaustive list of the commands and queries USB COMMUNICATION On the Flash drive contains a library used to drive an Oxxius LaserBoxx with USB port It can be used with either Visual C Visual C Visual Basic Labview or any other languages supporting NET libraries The file LaserboxxUsbHelp chm contains the corresponding documentation for this library You will also find a simple example program based on Labview version 8 6 MICROMANAGER SUPPORT The Laserboxx modules are supported by uManager the open source microscopy software For detailed information please consult the homepage of the project micro manager ors 43 4 2 Operating the laser using the electronic interface Laserboxx units can be driven using electronic signals to facilitate the integration with other electronic devices Refer to section 2 chapter 2 5 for the pin assignment The following diagrams will provide some examples of applications involving this interface General interface for OEM integration Customer electronic circuit Analog GND Analog I O Pow
50. tre D claration de confidentialit Autoisez vous Windows se connecter Windows Update pour rechercher des mises jour Oui cette fois seulement Dui maintenant et chaque fois que je connecte un p riph rique Cliquez sur Suivant pour continuer Force your operating system to install the software automatically Assistant Mat riel d tect Cet Assistant vous aide installer le logiciel pour LaserBoux Q 3i un CD d installation ou une disquette a ete foumi avec votre p nph nque ms rez le maintenant Quelle tache voulez vous que Assistant ex cute 7 installer le logiciel automatiquement frecommand C Installer 4 partir d une liste ou d un emplacement sp cifi utilisateurs exp nment s Cliquez sur Survant pour continuer lt Br c dent amer Eventually Windows will be copying the driver files onto your computer 35 Found New Hardware Wizard Please wait while the wizard installs the software O LaserBoxx hy The installation process is finished when the following message appears Found New Hardware Wizard Completing the Found New Hardware Wizard The wizard has finished installing the software for lt gt LaserBoxx Click Finish to close the vazand You are now ready to use the USB port of your LaserBoxx Depending on the operating system you might have to repeat these steps with each single LaserBoxx unit you intend to use 36
51. ts an optical power that will drive the laser cavity The control loop consists in acting so that the actual power is equal to the user defined set point Here is the block diagram of the APC loop Drive Optical Power set point current output Current Laser cavity source Power reading The APC loop offers the best performance concerning optical power stability since it monitors the actual output power and is able to react against eventual deviations It is therefore preferably employed in most applications Annex B Software commands COMMAND AND QUERIES FOR THE LCX LASERBOXX The following tables lists the set of queries and commands to be sent to the laser Query Purpose and Result and syntax aliases Retrieves the temperature of the base plate of the laser head expressed in Celsius degrees Retrieves the configuration of the USB CDC 0 Standard USB port 1 USB port configured as a virtual serial port 1 a five second delay is enforced between the emission command and the actual emission as per CDRH five second delay prior to laser emission CDRH directives Retrieves the status of CDRH compliant See section 1 Safety information for CDRH 0 no delay is present between the emission command further details and the actual emission The unit thus does not comply with CDRH directives F returns a number corresponding to one of the following alarms No
52. ual and to familiarize yourself with the operating and maintenance instructions that have provided before using the product If there are any questions or sections that are not understood do not hesitate to contact the manufacturer Optical experiments should be carried out on an optical table with all laser beams travelling in the horizontal plane only and all beams should be stopped at the edges of the table Users should never put their eyes at the level of the horizontal plane where the beams are in case of reflected beams that leave the table Watches and other jewelry that might enter the optical plane should not be allowed in the laboratory All non optical objects that are close to the optical plane should have a matte finish in order to prevent specular reflections The operator of the laser is responsible for notifying the laser usage and for controlling the laser area Use the laser in a room with access controlled by door interlocks Post warning signs Limit access to the area to individuals who are trained in laser safety while operating the laser All operators that are in the area must be wearing appropriate laser safety eyewear prior to enabling laser emission This would include operators that are not directly using the laser system Alignment of beams and optical components should be performed at a reduced beam power whenever possible Never look directly into the laser output port when the power is on Do not
53. ustment procedure has to be performed at low optical power P lt 40 mW It is recommended to switch to ACC regulation mode in order to prevent optical feedback during fiber alignment Figure 4 7 Position of the adjustement screws and counter screws 32 LE 4x adjustements screws 3x counter screws Unscrew slightly counter screws over two 2 turns Monitor the signal on a radiometer and adjust the steering angle of fiber using the adjustment screws Do not translate the mechanical holder centering is done by Oxxius Secure the position at maximal power by tightening the counter screws Your transmission ratio is now maximized 52 SECTION 5 TROUBLESHOOTING Attempting to open the laser head or the controller is likely to result in damages and will void the product s warranty 5 1 Operating Status and alarms Alarms are a category of status informing of off limits operational conditions When an alarm is raised laser operation is not possible until the cause of the alarm is fixed Resuming the emission requires that the unit is re activated by the emission key An alarm status is expressed to the user by any of these media the Alarm LED in solid red on the Controlboxx or Remoteboxx controllers the alarm electrical signal raised on either electronic interface on the Laserboxx or either controller the software query AL return the specific identification of the alarm
54. uter Pin 3 Tx 5 RS 232 Tx Output To computer Pin 2 Rx Power supply GND Output To computer Pin 5 GND or TTL GND B Power adjustment once the option is TTL Low No alarm 2 kQ TTL High Alarm present Input OV to 5V DC 0 to 100 of power 1 25 KQ activated Output 5V DC output 11 12 Input DC power supply Input min 5V max 12V lt 25 Watts Voltage between 0 to 2V maximum EN 2 kQ Laser Power Out Output Note Max voltage can change from one unit to another TTL Low Laser not ready 15 Laser Ready Output 2 KO Shell Chassis ground TTL High Laser ready COMMUNICATION The laser head can communicate with a computer or any other similar device using either RS 232 or USB protocols RS 232 interface shielded cable with at least three wires is required for this cable as described in the figure 2 11 below Note that operating the laser head directly from its electrical interface requires other connections to be established power supply interlock Refer to previous chapter Electronic interface of the laser head 24 Figure 2 8 Wiring schematics between a computer and the laser head RS 232 D AN DE 15HD M Table 2 9 Pin assignment of the RS 232 cable of figure 2 9 Computer side DE 9 female Pin Laser head side DE 15 male Pin connector connector Tx 3 Rx 4 Rx 2 Tx 5 Ground 5 Ground 6 Case Shield Case Shield USB interface It is possible to c
55. whereas the surface with the deficit becomes positively charged These charges will try to flow and neutralize the charge difference They may leak away slowly or the discharge may take place more quickly However as many substances exhibit a very high resistance these charges can remain in place for a very long time and wait until a suitable path is created for the discharge to take place When charges find a path through an electronic circuit the high instantaneous currents can give rise to damage As a result ESD is of great importance Although input protections are integrated in the LaserBoxx module ESD precautions are recommended to avoid performance degradation The LaserBoxx platform has been tested successfully with these levels of ESD 4kV on contact 8kV on air Particular attention is required using the product in dry air and on a floor presenting a carpet or a vinyl tiled surface which could generate a discharge up to 20kV Safety guidelines In order to prevent ESD damage during installation or use use an antistatic wrist strap Wrist straps in industry usually connect to Earth Bonding Points part of the grounding system via either a 4 mm plug or 10 mm press stud whereas personally owned straps are likely to be connected to ground via a crocodile clip Figure 1 4 Example of a wrist strap 13 Power cord for Plug and Play versions In the event where the power cord has to be replaced please make
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