product information sheet
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1. NorthLab PHOTONICS 3SAE Large Diameter Splicing LDS System The rapid development of photonic technologies has created the need for sophisticated optical products well outside the telecom standards User requirements and specifications for these photonic components are both increasingly diverse and technically challenging often they cannot be re alized due to the limitations in the glass processing and or ber splicing technology Utilizing precision engineering over 20 years of fiber splicing and glass pro cessing experience and actual listen ing to the wants and needs of our cus tomers 3SAE Technologies has devel oped the Large Diameter Splicing LDS System Whether the application is splicing of low temperature glass fibers tapering end capping high power fiber laser component fabrica tion and assembly such as mode field adapters pump combiners and oump signal combiners the Large Diameter Splicing LDS System pro vides capabilities that overcome the technical hurdles of current fiber com ponent fabrication processes to meet the most demanding requirements Designed for reproducibility precision and user friendly operation the Large Diameter Splicing LDS System pro vides the user a manufacturing ap proach to optical component product development Its extreme flexibility will enable customers to realize current and future glass pro NorthLab Photonics AB Tel 46 8 7880880 www n2. NorthLab Photonics AB Tel 46 8 7880880 www northlabphotonics com NorthLab PHOTONICS NorthLab PHOTONICS LDS 01 0103 Polarization Maintaining PM Splicing Package Includes the following Theta fiber alignment End face inspection alignment software package Integrated mirror for end face alignment 250 um light injecting fiber holders pr Custom sizes available upon request LDS 01 0104 Tapering Package Includes the following Automated taper creation software package Load cell feedback system Motor soeed ramping function High precision Stages LDS 01 0108 Integrated Dual Piezo LDF Cleaving System Package Includes the following Automated cleaving of fibers Adjustable precision cleaving location via image feedback Cleaver software package LDS 01 0177 Bundling Convenience Package Includes the following LDS Capillary Soeed Loader which facilitates rapid loading less than 1 minute of up to 19 fibers into pre tapered capillaries Fixturing for 700 um and 870 um OD capillaries other sizes available Power supply User s manual 700 um ber holders pr 1000 um ber holders pr 2000 um ber holders pr LDS 01 0176 End Cap Splicing Package Includes the following Vacuum based end cap holding system for supporting end caps during splicing Optional components LDS Capillary Speed Loader LDS 01 0125 Facilitates rapid loading less than 1 minute of seven 7 fibers into pre tapered cap
3. tonic Crystal Fiber PCF splicing and other applications Splicing of 50 um 2 5 mm diameter fibers can all be accomplished using one machine Ability to splice largely dissimilar fiber diameters with or without fiber shap ing surpasses capabilities of all exist ing splice technologies lonic Ablation fiber cleaning soft ware provides a secondary cleaning of optical fibers Extremely high splice strengths are achievable without repetitive passes of the plasma field Repeatable and reliable system per formance achieved through three automated easy to implement inter nal calibrations Up to 10 axes of active feedback fi ber alignment Pitch and yaw alignment 20 range of motion with 0 01 adjustabil ity Hot imaging of x and y dimen sions provided simultaneously using two independent orthogonally mounted cameras enables user to view fiber processes in real time Automatic scanning software scans fiber diameters pre and post splice System capable of splicing end cap materials with high melting tempera tures sapphire Radius Calculation Tool provides real time radius values and pass fail moni toring capability for lenses generated on fiber ends 2mm to SMS splice X1110un Y 124um_ _ L Large diameter PCF with short collapse e Two dimensional geometric scanning provides precision heat source balanc ing by monitoring extremely small di mensional differences in
4. diameters to attachment fibers NorthLab Large Diameter Splicing LDS System PM GUI Integrated Piezo LDF Cleaving Sys tem Package mae _ 2 ta ee pe _ Provides automated in situ cleaving for production of end caps tapers mode field adapters MFAs and fi ber combiners up to 500 um in diam eter Cleave location precise to 50 um Real time scanning and image feed back capabilities of cleaver software package provide reproducible refer ence and cleave location control Flat reproducible cleaves achieved using a diamond tioped ultrasonic blade with piezo based frequency amplitude control as well as a piezo driven fiber deflection control mech anism Improves process yields of delicate tapers and bundle assemblies by eliminating the awkward processing steps required when using an exter nal cleaver namely assembly removal cleaver loading and assem bly re loading ry End Cap Splicing GUI NorthLab Photonics AB Tel 46 8 7880880 www northlabphotonics com ee in Ta h ee ee ee ry pits PHOTONICS LDS System Packages and components LDS 01 0100 Large Diameter Splicing System Standard Package The LDS is a Ring of Fire based plasma splicing system with the following default fea tures e A Right fiber holding stage with automated X Y and Z alignment and manual pitch and yaw alignment e A Left fiber holding stage with manual X and Y alignment and auto Z fiber ali
5. images of bundle without the need to recalibrate Large Diameter Splicing LDS System alignment PM Package Required e Bundle handling fixtures and tooling included www northlabphotonics com PHOTONICS Polarization Maintaining PM Splic ing Package Provides rotational accuracy to 0 25 for any PM fiber Uses dedicated camera for im proved resolution of PM end face images Offers several PM alignment modes for increased flexibility Alignment using Image Analysis Soft ware allows independent alignment of PM fibers regardless of fiber shape fiber diameter stress ele ment used or fiber type thus elimi nating the need for factory inter vention when optimizing splices for new PM fibers Compatible for use with Large Mode Area LMA and Photonic Crystal PC PM fibers End Cap Splicing Package Allows fiber attachment to GRIN lenses prisms or other shorter length optical elements that cannot be held using traditional fusion splicer fiber holding mounts Utilizes a Venturi vacuum system and customized mechanical platform for stable precise control of minute op tical elements during attachment Compatible with real time scanning software used in the standard Large Diameter Splicing LDS System Mechanical platform is easily inter changeable with standard fiber holder platform and offers same de grees of motion Provides unique capability to fuse pre made end caps having vastly dissimilar
6. capillary walls or fiber diameters e Capability of uniformly collapsing Pho tonic Crystal Fiber PCF to length below 50 the fiber diameter allows low fiber waste cleaving ultrasonic cleaning no liquid wicking into air holes and achievement of excellent splice losses NorthLab Photonics AB Tel 46 8 7880880 www northlabphotonics com NorthLab PHOTONICS e Many Photonic Crystal Fibers PCF can be spliced with no air hole col lapse e Graphical User Interface GUI is intui tive clearly marked and easy to use no need to scroll through menus or find functions imbedded within other functions to change program param eters e Real time data and high quality imag es before during and after splice Or Large diameter PCF with no collapse other process can be captured and automatically saved to Microsofttcom patible files e Piezo driven flexure stage and soft ware package providing 130 um of vibration free z axis motion with 100 nm resolution e Removal of vibrations hysteresis and backlash allows for absolute fiber alignment during the critical final stage of splicing NorthLab Photonics AB Tel 46 8 7880880 www northlabphotonics com W NorthLab LDS System Upgrade Packages The following upgrade packages tar get specific needs of the user They can be offered individually or in groups and can be added to the Large Diameter Splicing LDS System at any time Tapering Package e A
7. gn ment e The X axis has 12 mm of stroke with a 50 nm theoretical resolution e The Y axis has 12 mm of stroke with a 50 nm theoretical resolution e The pitch and yaw axis has 10 degrees of motion with a 1 arc sec theoretical reso lution e The fiber z axis has 90 mm of stroke with 1um resolution e Piezo drive system for 130 um Z fiber motion with 100 nm resolution e A Ring of fire translation stage with 90 mm of stroke and 6 m resolution e Two orthogonal view video microscopes for fiber viewing with LED back lighting e Each camera captures 1600 x 1200 2 MP up to 16 FPS in B W e Each lens is double telecentric with a 200 um depth of field 4 4 mm field of view 0 03 deg maximum divergence 0 02 margin of error and 85x magnification fiber range 400 um 2 mm e 2X Doubler adjusts fiber range to 125 um 1 mm when installed PC to operate the system including e Windows operating system e 24 inch 1920 x 1080 high resolution wide screen monitor e USB 2 0 video capture capability e Serial communication to splicer motherboard No Network connection required e LDS splicing software e LDS analysis software Ring of fire arc discharging hardware capable of splicing 2 5 mm fiber with auto balance rmware Accessory kit including 250 um fiber holders 400 um fiber holders user manual quick setup guide spare electrode set all necessary PC and LDS interconnect cables Includes 1 year parts and labor warranty
8. illaries Fixturing for 700 um and 870 um OD capillaries other sizes available Power supply User s manual Electrodes ROF Set SPT 10 1638 LDS Fiber Holders 250 um pr LDS 01 0120 LDS Fiber Holders 400 um pr LDS 01 0121 LDS Fiber Holders 700 um pr LDS 01 0122 NorthLab Photonics AB Tel 46 8 7880880 www northlabphotonics com
9. orthlabphotonics com Precision mechanical design coupled with powerful high contrast optics ab solute control of positional and angular fiber alignment sets the Large Diame ter Splicing LDS System apart from competing technologies An extremely sophisticated image processing soft ware package allows the user to view in real time the progress of a fiber splice or optical component fabrica tion step The system handles fiber di ameters from 50 um to 2 5 mm as well as optics such as prisms and lenses with alignment and fusion of unsur passed quality Removable and lockable fiber holders that support NorthLab NorthLab Photonics has the ability to offer large customizations of the Large Diameter Splicing LDS System to meet very specific customer requirements Please inquire about your specific application Two 2MP orthogonal video microscopes equipped with Right side glass diameters from 80um to beyond 2mm double sided telecentric lenses and LED backlighting fiber holding Ww stroke in the upgradable X and Y axis x a firmware open sourt piaja A E code GUI piezo hybrid Z axis with ait ewe 90mm of siroke and an optional Left side fiber Theta stage holding platform with l2mm of Ring of Fire stroke in the electrode X and Y axis block is 90mm in the adjustable in g Zaxis and 10 the X and Y degrees of axis and can pitch and yaw automatically with active translate
10. t relatively narrow in the axial direc tion This allows for directed heating of larger or higher melting point portions of the assembly With this system ac curately aligned mechanically sound splices of small 80 125 um fibers to very large gt 2 mm fibers can be per formed without difficulty This is useful for attachment of fibers to end caps or bulk optic lenses Ring of Fire Heat Source Attributes and Capabilities Three Electrode system design combines proven manufacturing stable technology with R amp D flexibility Isothermal plasma field triangular two dimensional plane up to 100 times larger than standard two electrode system fields Plasma field monitoring of 300 times per second provides industry leading field temperature stability 5 C e Proprietary alloy electrodes coupling extended life high thermal power generation and low maintenance cost can be refurbished by user e Generates negligible tungsten deposits and requires no specialized gas environment for operation e Ideally suited for difficult or developmental applications e The high repeatability and stability is ideally suited for manufacturing or large scale pro NorthLab Photonics AB Tel 46 8 7880880 www northlabphotonics com W NorthLab PHOTONICS LDS attributes amp capabilities Base package Powerful positionable Ring of Fire heat source provides even heating for fiber splicing fiber end capping Pho
11. utomated software providing pre cise motor soeed and load cell con trol enables reproducible fabrica tion of low loss and high ratio tapers up to 150 mm length e Real time taper scanning function exclusive to the Large Diameter Splicing LDS System allows for im mediate process feedback by quantifying diameter over length e Proprietary Power Ramp Technolo gy unique solely to the Large Diam eter Splicing LDS System compen sates for thermal mass changes along the length of a taper via con trolled output power adjustments to the plasma field during the tapering Process e Versatile tabbed GUI is easy to use and minimizes visual complexity 19 to 1 pump combiner endface NorthLab Photonics AB Tel 46 8 7880880 S q f 5 if i f i ap writ it D 7 d my i I b n i nE 1 il Kia m E E O T Large Diameter Splicing LDS System Taper GUI Bundling Convenience Package Tapering Package Required e Package supports capillary based oump and pump signal combiners having 2 3 4 7 and 19 input fibers e The Bundle Loading System allows easy high yield loading of fiber into capillaries load times generally less than 1 minute e Individual fibers can be up to 600 um in diameter e Adjustable fusion level can be ap plied along length of bundle e Integrated imaging camera easily captures end face
12. vision 90mm along feedback a Integrated Piezo cleavmg system that supports up to 500um diameter anal assemblies with positional cleave location accuracy of a few microns NorthLab Photonics AB Tel 46 8 7880880 www northlabphotonics com PHOTONICS NorthLab PHOTONICS Ring Of Fire Technology Conventional arc fusion machines utilize a high voltage glow discharge between two electrodes forming a heat source substantially in the shape of a narrow cylinder perpendicular to the fiber and only a few 10 s of mi crons wide Such heat sources are ineffective for larger fibers because of the inability to heat all sides of the fiber equally Flame and filament machines can be optimized to provide substantially cir cumferential heating but they also extend the heat zone a relatively large distance along the fiber axis This is advantageous for some opera tions such as Thermally Expanded Core splicing TEC but Causes sub stantial limitations in the geometries that can be spliced and formed For example these heat sources are poorly suited for splicing a small diam eter fiber to a much larger fiber or optical device end cap lens prism The heat required to raise the larger target to splicing temperatures will typically destroy the smaller fiber A multi electrode plasma discharge is advantageous for these operations as the resulting heat zone is isothermic around the circumference of the fiber bu
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