A User's Guide for ALFA - Max-Planck
Contents
1. UtilStartup cmd MODULE Util DESCRIPTION VxWorks command file to initialize the Utility modules Id UtilStartup cmd v 1 9 1996 08 15 21 57 11 joe Exp cd getenv AOA ROOT value 0 0x0 cd bin value 0 0x0 32 A User s Guide for ALFA Document Revision 1 Chapter 5 Log Files console trantor boot log MPIA Release 1 1 Load the Client Server library ld lt ClientServer vx o value 16291764 0xf897b4 Load the Event Logger ld lt AOALog vx o value 16288764 Oxf88bfc AOALog_Init value 0 0x0 AOALog_SetRemoteHostname 150 214 222 20 value 0 0x0 AOALog_EnableRemoteLogging AOALog_EnableFileLogging tmp aoalog 1 HydraCom Library cd usr aos bin value 0 0x0 ld lt HydraCom vx o value 16183556 Oxf6f104 HydraCom_SetTimeout 1 value 3 0x3 Done Adaptive Optics subsystem cd getenv AOA ROOT value 0 0x0 lt etc AOStartup cmd Adaptive Optics Associates 54 CambridgePark Drive Cambridge MA 02140 2308 USA Phone 617 864 0201 Fax 617 864 1348 Copyright C 1995 AOA All Rights Reserved PROJECT A User s Guide for ALFA 33 Chapter 5 Log Files console trantor boot log 34 HBAR 4265 036 FILE AOStartup cmd MODULE AO DESCRIPTION VxWorks command file to start the2. Load the Event Logger ld lt ADALog vx o value 16293612 Oxf89eec AOALog_Init value 0 0x0 AOALog_SetRemoteHostname 150 214 222 20 value 0 0x0 AOALog_EnableRemoteLogging rm tmp MPIA_STAGES log value 0 0x0 AOALog_ EnableFileLogging tmp MPIA_STAGES log 1 value 0 0x0 Done load stages control software cd getenv AOA ROOT value 0 0x0 lt etc StageStartup cmd Adaptive Optics Associates 54 CambridgePark Drive Cambridge MA 02140 2308 USA Phone 617 864 0201 Fax 617 864 1348 Copyright C 1995 AOA All Rights Reserved HHH HH HK Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Fe PROJECT HBAR 4265 036 FILE StageStartup cmd MODULE Stage DESCRIPTION A User s Guide for ALFA 43 Chapter 5 Log Files console keahua boot log VxWorks command file to start the Stage Subsystem Id StageStartup cmd v 1 8 1996 09 12 06 26 36 andy Exp gt gt gt gt gt gt gt gt gt gt SS SS SS SS SS SS SS SS SS SH Port IMS483 Steppermotor Driver is connected to This is serial Port 2 on the 712M breakout card putenv IMS_PORT tyCo 1 value 0 0x0 Load the modul
3. Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Fe PROJECT HBAR 4265 036 FILE HydraStartup cmd MODULE ETC DESCRIPTION VxWorks startup command file for the Ariel Hydra software Id HydraStartup cmd v 1 3 1996 07 01 19 40 29 joe Exp Environment Variables putenv VC40PATH usr aos alfa hydra bin x40 value 0 0x0 Load and install the driver cd getenv AOA ROOT value 0 0x0 cd hydra value 0 0x0 Id lt driver vx68k hydra ii h2dsp vx value 16275036 0xf8565c h2dsp vx_bss 0x28 h2DrvInstall A User s Guide for ALFA Document Revision 1 Chapter 5 Log Files console trantor boot log MPIA Release 1 1 value 8 0x8 Add the Hydra Devices h2DevAdd vc40a 0x55800000 h2Pri 5 h2 Vec Oxd0 value 0 0x0 h2DevAdd vc40b 0x55820000 h2Pri 5 h2 Vec Oxd4 value 0 0x0 h2DevAdd vc40c 0x55840000 h2Pri 5 h2 Vec Oxd8 value 0 0x0 h2DevAdd vc40d 0x55860000 h2Pri 5 h2 Vec Oxdc value 0 0x0 h2DevAdd vc40e 0x55880000 h2Pri 5 h2 Vec Oxe0 value 0 0x0 Load the support modules Id lt lib vx68k libvc40 0 value 16314996 Oxf8f274 ld lt bin vx68k blinkc40
4. define ESTERS device temperature measure gizmo application root putenv ESTERS_ROOT export home hippler ALFA ESTERS value 0 0x0 First vx Works startup issues Network stuff Change to your default router if required routeAdd 0 127 0 0 1 Login stuff If you use vxWorks security you might use one of the following loginUserAdd user GaRbAgEpWd lt usr local VxWorks etc passwd A User s Guide for ALFA 41 Chapter 5 Log Files console keahua boot log 42 Make delete key work for backspace tyBackspaceSet 0177 value 3 0x3 load AOA LOG utility cd getenv AOA ROOT value 0 0x0 lt etc UtilStartup cmd MPIA Adaptive Optics Associates 54 CambridgePark Drive Cambridge MA 02140 2308 USA Phone 617 864 0201 Fax 617 864 1348 Copyright C 1995 AOA All Rights Reserved PROJECT HBAR 4265 036 FILE UtilStartup cmd MPIA MODULE Util DESCRIPTION VxWorks command file to initialize the Utility modules Id UtilStartup cmd v 1 9 1996 08 15 21 57 11 joe Exp cd getenv AOA ROOT value 0 0x0 cd bin value 0 0x0 Load the Client Server library ld lt ClientServer vx o value 16252844 Oxf7ffac ClientServer vx o_bss 0x8 A User s Guide for ALFA Document Revision 1 Chapter 5 Log Files console keahua boot log MPIA Release 1 1
5. 0x0 AO_Server_Start value 0 0x0 Done Stages cd getenv AOA ROOT value 0 0x0 lt etc StageStartup cmd Adaptive Optics Associates 54 CambridgePark Drive Cambridge MA 02140 2308 USA HoH HHH HK Phone 617 864 0201 Fax 617 864 1348 Copyright C 1995 AOA All Rights Reserved PROJECT HBAR 4265 036 FILE StageStartup cmd MODULE Stage Loading DSP executables from usr aos alfa bin Initializing LLCCD Camera Starting LLCCD Camera Stopping LLCCD Camera Initializing Camera I F Initializing Offset amp Gain Initializing WFS Initializing RTR Initializing Control System Initializing DM I F Spawning DSP monitor Done A User s Guide for ALFA 35 Chapter 5 Log Files console trantor boot log DESCRIPTION VxWorks command file to start the Stage Subsystem Id StageStartup cmd v 1 8 1996 09 12 06 26 36 andy Exp gt gt gt gt gt gt gt gt gt gt gt gt SS SS SS SS SS SS SS SS SS SH Port IMS483 Steppermotor Driver is connected to This is serial Port 2 on the 712M breakout card putenv IMS_PORT tyCo 1 value 0 0x0 Load the modules cd getenv AOA ROOT value 0 0x0 cd bin value 0 0x0 Id lt StageDevice vx o value 16047868 Oxf4defc _stagelnitSync 0x230 Id lt StageServer vx o val
6. VxWorks System Boot Copyright 1984 1994 Wind River Systems Inc CPU Motorola MVME177 Version 5 2 BSP version 1 0 Creation date Thu Jul 20 17 05 04 PDT 1995 Press any key to stop auto boot 10 auto booting boot device ei processor number 0 host name hbar file name vw vw 5 2 config mv177 vxWorks inet on ethernet e 150 214 222 104 ffffff00 host inet h 150 214 222 20 gateway inet g 150 214 222 1 user u alfa A User s Guide for ALFA 39 Chapter 5 Log Files console keahua boot log flags f 0x8 target name tn keahua startup script s EPICS charmAppl startup keahua Attaching network interface ei0 done Attaching network interface 100 done Loading 489404 30260 27582 Starting at 0x1000 Attaching network interface ei0 done Attaching network interface 100 done Loading symbol table from hbar vw vw 5 2 config mv 177 vxWorks sym done 1111111111111 VN VII VN WN WWW 111 R WWW WN UMM 1 111 YW WWW WW 11 1 111 W MHI I mmm HMMM anna ll WN MH 14 a 1111 111 WN a m ll M 1m MI M aa a ll M m MI aa a all 111 m WN WW al 1111 TN TIN Development System TN T VxWorks version 5 2 VW KERNEL WIND version 2 4 WNW Copyright Wind River Systems Inc 1984 1995 CPU Motorola MVME177 Processor 0 Memory Size 0x1000000 BSP version 1 0 Executing startup script EPICS charmApplVstartup keahua VxWorks startup script to loa
7. CHARM gt export home alfa LOG keahua 42gcilnstall sh CHARM LOG lt 42 gcilnstall sh CHARM 000 cd to application install directory beware automounter problems cd export home hippler CHARM charmEpicsR3 12 2 Sep96 value 0 0x0 pwd export home hippler CHARM charmEpicsR3 12 2 Sep96 value 51 0x33 3 Load EPICS core and record stuff ld lt epics base bin mv177 iocCore value 16000984 Oxf427d8 _asLock 0x84 ld lt epics base bin mv177 drvSup value 16002788 Oxf42ee4 _epvxiResourceMangerOK 0x324 ld lt epics base bin mv177 recSup value 15809468 Oxfl3bbc ld lt epics base bin mv177 devSupIms value 15806948 Oxf131le4 _ims_command_qid 0x52c If using state programs load the sequencer ld lt epics base bin mv177 seq value 15025016 0xe54378 Load any application records device support or drivers here or code for subroutine records ld lt bin mv177 testsub o Load sequences here ld lt bin mv177 auiseq value 15022508 Oxe539ac _stopPressed 0x244 ld lt bin mv177 charmseq ld lt bin mv177 imsseq value 14131768 0xd7a238 auiseq_bss 0x7c4 Configure the Bancom driver read documentation BCconfigure 1 0 200 2 25 Configure the Timestamp system 1 Master IOC TSconfigure 1 0 0 0 0 0 value 0 0x0 Load one or more ASCII databases here dbLoad data default dctsdr value 0 0x0 dbLoadRecords data auidb db v
8. hostAdd hbar 150 214 222 20 hostAdd epsalfal 150 214 222 85 value 0 0x0 setup an User ID for Remote File Access via NFS uid of alfa nfsAuthUnixSet hbar 220 200 0 change the shell prompt shellPromptSet alfa keahua gt value 499236 0x79e24 _shellHistSize 0x4 mount hbar disks nfsMount hbar nfsMount hbar data nfsMount hbar export home nfsMount hbar usr aos setup ASTROMED environment variable putenv ASTROMED ASTROMED value 0 0x0 setup INMOSROOT environment variable putenv INMOSROOT INMOSROOT value 0 0x0 setup VLTROOT environment variable putenv VLTROOT VLTROOT value 0 0x0 cd getenv VLTROOT value 0 0x0 cd vw bin value 0 0x0 install the VLT Iculog library ld lt Iculog value 16268464 Oxf83cb0 estlo o_bss Oxcb0 install the VLT Icudrv library ld lt Icudrv value 16265364 0xf83094 estlo o_bss 0x94 install ESO s inmos software for Vx Works cd getenv INMOSROOT value 0 0x0 cd bin A User s Guide for ALFA Document Revision 1 Chapter 5 Log Files console keahua boot log MPIA Release 1 1 value 0 0x0 lt b016Install sh gt export home alfa LOG keahua b016Install sh LOG ld lt timsSetUTC o value 15983608 Oxf3e3f8 timsSetUTC o_bss 0x8 ld lt timsGetUTC o value 15982720 Oxf3e080 timsGetUTC
9. 20 96 12 58 13 Spawning task 13170436 auiseq_3 auiseq 11 20 96 12 58 13 Spawning task 13120036 auiseq_4 value 0 0x0 seq amp charmseq taskDelay sysClkRateGet seq amp imsseq SEQ Version 1 9 0 3 12 1 Tue Jul 23 12 09 37 MET DST 1996 tShell 11 20 96 12 58 14 Spawning state program imsseq task name imsseq tShell 11 20 96 12 58 14 Task id 13069636 0xc76d44 value 13069636 0xc76d44 taskDelay sysClkRateGet imsseq 11 20 96 12 58 14 Spawning task 13022028 imsseq_1 imsseq 11 20 96 12 58 14 Spawning task 13011628 imsseq_2 imsseq 11 20 96 12 58 14 Spawning task 13001228 imsseq_3 imsseq 11 20 96 12 58 14 Spawning task 12990828 imsseq_4 imsseq 11 20 96 12 58 14 Spawning task 12980300 imsseq_5 A User s Guide for ALFA 49 Chapter 5 Log Files console keahua boot log 50 imsseq 11 20 96 12 58 14 Spawning task 12949448 imsseq_6 imsseq 11 20 96 12 58 14 Spawning task 12969848 imsseq_7 imsseq 11 20 96 12 58 14 Spawning task 12938976 imsseq_8 imsseq 11 20 96 12 58 14 Spawning task 12856492 imsseq_9 value 0 0x0 terminal server module ld lt bin mv177 tnetDev value 15816176 Oxf155f0 _dmINIOK 0 new symbol _dmINIOK added to symbol table _dmINIOK 0xc4032c value 0 0x0 ld lt bin mv177 dmBoot value 12846028 Oxc403cc _dmINIOK Oxa0 time UT ld lt bin mv177 ut value 12845372 0xc4013c ut_bss 0x8 rdate ld
10. ALFA appears on the root window and the ALFA main GUI comes up Open the ALFA icon double click on it Everything is fine when you see the messages below Initializing Tcl Initializing Tk Initializing Tix Initializing BLT Initializing the AOA libraries Initializing the HBAR common libraries Initializing the AO libraries Initializing the Stage libraries Connecting to AO server Done Initializing AO subsystem Done Building the GUI Done Initializing Stage subsystem Done Connecting to Stage server Done Close do not quit or exit the ALFA window Click with the right mouse button on the root window background on data 4 This opens the Workspace menu Select ALFA Tip tilt Tracker from the SHPrograms sub menu and wait until the ALFA Tip Tilt Tracker GUI appears Click on the Refresh CCD button and check the System and Command status fields The Refresh CCD command takes about 15 seconds for a successful operation Click on the data 2 window and click with the right mouse button into the ALFA EPICS Panels field A pop up menu comes up Select MPIA Stages f10 MPIA Stages dichroics and AO Status Display Position all windows such that you can view and access them simultaneously Select now the Tracker Real Time Display entry and move the up coming window into data 4 Do that by dragging the window into the Virtual Desktop field which contains the ALFA Tip tilt Tracker GUI dat
11. AO Subsystem Id AOStartup cmd v 1 6 1996 06 10 19 38 08 joe Exp Port LLCCD camera is connected to putenv LLCCD_PORT tyCo 2 value 0 0x0 Load the modules cd getenv AOA ROOT value 0 0x0 cd bin value 0 0x0 ld lt AODevice vx o value 16163204 Oxf6a184 ld lt AOServer vx o value 16160196 0xf695c4 Initialize AO Init INFO AO 0x0000 AO Init Initializing INFO AO 0x0000 AO Init Cleanly resetting INFO AO 0x0000 AO_Term Terminating INFO AO 0x0000 AO_Term Terminating LLCCD Camera INFO AO 0x0000 AO_Term Terminating Camera I F INFO AO 0x0000 AO_Term Terminating Offset amp Gain INFO AO 0x0000 AO_Term Terminating WFS INFO AO 0x0000 AO_Term Terminating RTR INFO AO 0x0000 AO_Term Terminating Control System A User s Guide for ALFA Document Revision 1 Chapter 5 Log Files console trantor boot log MPIA Release 1 1 INFO INFO INFO INFO INFO INFO INFO INFO INFO INFO INFO INFO INFO INFO AO 0x0000 AO_Term Terminating DM I F AO 0x0000 AO_Term Done AO 0x0000 AO_Init AO 0x0000 AO Init AO 0x0000 AO_Init AO 0x0000 AO_Init AO 0x0000 AO_Init AO 0x0000 AO Init AO 0x0000 AO Init AO 0x0000 AO_Init AO 0x0000 AO_Init AO 0x0000 AO Init AO 0x0000 AO_Init AO 0x0000 AO Init value 0
12. Close in the right column of the main GUI should have no visual effect except that the signals sent to the DM should have non zero values These values might look pretty large but bear in mind that the grey scale is adjusted according to the maximum and minimum values being sent If this is all satisfactory the loop can be opened by clicking on Open or Freeze The only difference between the two is that Open in addition to opening the loop also sets the DM actuators to their default i e flat positions while Freeze keeps all actuators at their last positions Only in Open loop mode it is possible to modify parameters of the Control System like Gain Alpha Limit a0 al a2 bO bl and b2 Now the fiber can be moved out and the AO correction on a star can begin 3 Wavefront Sense Selection of the Wavefront Sense button will bring up the same panel as for Closed Loop operation but without the Control System part Wavefront Sense requires a calibrated system but you don t have to Generate Matrices for a closed loop operation This mode is useful for measuring turbulences in the atmosphere Up to 6000 gradient data sets can be collected in one run gt ALFA Data Handler gt Start Collection 4 Image Only 22 The third choice in the Setup section of the ALFA Main GUI will raise raise the Setup LLCCD Image Collection subpanel Click OK to select this mode or Cancel the operation In Image Only no calibration or setup directorie
13. MAGIC Now the shape of the wavefront is sufficiently good and the pattern of the subimages on the SH sensor provides the reference positions for the closed loop operation This procedure eliminates the influence of all aberrations introduced between the IR Vis dichroic and the SH sensor Before you start the calibration procedure go to the MPIA Stages Control Panel and move the f10 reference fiber to the in position A User s Guide for ALFA 17 Chapter 2 Adaptive Optics Correction Closed Loop Operation In order to start the calibration procedure click on the Calibration button in the main GUI Then the Calibration GUI figure 2 2 will appear Click on Take Offset first to create the offset image suitable for the frame rate in use Clicking on Take Reference opens the Reference GUI figure 2 3 where clicking on Reference Image takes an image of the subimage pattern on the SH sensor Now check the signal level by clicking on Info and Open in the displayed image figure 2 4 If the maximum is below about 3700 the light level of the fiber is all right The maximum signal is 4095 counts but in the reference image the offset values of a few hundred are subtracted If not either change the frame rate in the LLCCD Camera Panel or the ND filters in the Utilities GUI Changing the frame rate requires to take a new offset as the levels are slightly different 18 id ALFA Calibration Galibration Directory f
14. bus based VxWorks EPICS systems that control ALFA In order to compensate for tip tilt distortions while guiding on a natural guide star NGS mode trantor has the same VME boards installed as keahua see below Additional boards installed in trantor are a UFORIA VME board and a MVME712 distribution panel The tip tilt Tracker VME system keahua consists of a Motorola MVME177 50 MHz board a MVME712 distribution panel a INMOS B016 Transputer board and a TRAM motherboard MB2L8S VME made by MSC Vertriebs GmbH The tip tilt closed loop runs on a Motorola 68060 CPU Running the tip tilt loop on keahua is mandatory when the fast AO loop guides on the artificial Laser star ALFA has one of the standard Calar Alto TV Guider cameras installed on its breadboard The field of view is about 4 6 x 3 6 arcmin tvg2 is a standard UNIX computer with two monitors attached One monitor displays video images of the sky the other monitor is used to display the TV Guider control panel GUI A separate TV Guider User s manual is available at Calar Alto The TV Guider home page is http www caha es CAHA Instruments TVG index html at Calar Alto or http www mpia hd mpg de MPIA Projects TVG index html elsewhere A PC laptop that runs the FISBA uPhase Interferometer control software The Twyman Green Interferometer allows an eye guided flattening of the DM A User s Guide for ALFA Document Revision 1 Chapter 1 Introduction First steps The b
15. c TV in Tip tilt mirror moves the fixed connected TV mirror to the on axis position dichroic Tv one of two dichroics with two positions in our out Only one of the two dichroics can be in its in position dichroic Tip see dichroic Tv The additional names Tv and Tip only indicate on which side of the Breadboard the mirrors are either close to the TV Camera or close to the tip tilt mirror A User s Guide for ALFA Document Revision 1 Chapter 1 Introduction First steps yj ALFA Stage Control Fle Stages Operations References Stage Stage Name wfs Driver ID e Description WFS Camera Position Stages wv fsmTilt wv fsmTip vv fsrfz v fsrfs x hlas rim vv tex wv tey wv tez x thw wis x wistw Parameters m Status Motion Commands Miscellaneous Position 0 000000 Move Absolute R 6 000000 Initial Velocity 1 400 Moving ee Move Relative 0 Slew Velocity V 1435 Encoder Present FALSE Current Hunt Velocity v 1000 Limit A LO Hold Current 0 100 Y fo x B Ee Limit B LO Hunt Resolution h 15 Run Current 0 100 Y 150 z Hardware Register 0 0 100 v Acceleration K 70 Encoder i Pers Deceleration K fio Input Port 1 HI Stall Factor s 20 Divide Factor D 0 S S Input Port 2 HI Deadband d Jao o Input Port 3 HI Jog Slow B 3 Stall Test Detta t 5 _ Outp
16. files in the Setup directory that is being sent to the VME crate right away If you want to make sure that this Setup directory is not overwritten again give it a different name in an x term window Using it again one simply has to chose the proper directory name for the Setup directory in the Corrective Loop Setup GUI that pops up after clicking on Closed Loop in the main GUI and click on Use Existing The parameters are now in the VME system and the loop can be started by clicking on the first radio button labelled Start in the middle row of buttons in the main GUI The system than runs in open loop The SH sensor image the gradients the DM signals and the Zernike modes can be displayed at a rate of about 1Hz in the Data Handler GUI see figure 2 7 ALFA Corrective Loop Setup Setup Closed Loop Operation Directories Calibration Dir Vexport nomerattasCalibration Browse Setup Dir rexport home alfe Setup Browse Control System Gain 10 000000 Alpha 0 200000 Limit 130 000000 a0 0 000000 bo 0 000000 al 0 000000 bi 0 000000 a2 0 500000 b2 0 000000 Use Existing Create New Cancel Figure 2 6 ALFA Corrective Loop Setup MPIA Release 1 1 A User s Guide for ALFA 21 Chapter 2 Adaptive Optics Correction Wavefront Sense Running in open loop on the fiber image should show very small gradients i e very short arrows and closing the loop by clicking on
17. they have to be unselected After unselecting the rectangles click on Redraw to create a new pattern of subarrays Now the main calibration of the system can start Back in the Calibration GUI the Reference GUI can remain open click on Reference Positions in the Calibration GUI to calculate and display the centroid position in each box Then after having selected the A User s Guide for ALFA Document Revision 1 Chapter 2 Adaptive Optics Correction Closed Loop Operation F ALFA Reference Subaperture Parameters MLM Grid Type Operations Rectangle Edge Width 3 Rectangular Grid Reference Image Brightness Threshold 0 200000 Hexagonal Grid a Corrpute Rectangles Min Pixels per Spot j Redraw Min Pixels between Centers 5 Max Pixels between Centers ji Load Rectangles Close Figure 2 3 The ALFA Reference GUI Fi Camera Offset Image File Info ColorMap Figure 2 4 Take Offset display f Zoom In Zoom Out il MPIA Release 1 1 A User s Guide for ALFA 19 Chapter 2 Adaptive Optics Correction Closed Loop Operation 20 Number of Modes and the WFS Algorithm hit Generate Matrices to send the Zernike modes one by one to the DM and register the change in centroid positions in the subarray for each Zernike mode This procedure of measuring the change that goes with the Zernike modes rather than calculating the centroi
18. vx value 16244108 Oxf7dd8c libvc40 0_bss 0x540 ld lt bin vx68k copyc40 vx value 16231704 Oxf7ad18 blinkc40 vx_bss 0x590 ld lt bin vx68k emurst vx value 16232316 Oxf7af7c vc40jtag 0x624 ld lt bin vx68k infoc40 vx value 16227216 Oxf79b90 emurst vx_bss 0x594 ld lt bin vx68k jtagtest vx value 16222608 0xf78990 _option_arg Oxlcc ld lt bin vx68k loadc40 vx value 16200252 0xf7323c jtagtest vx_bss 0x540 ld lt bin vx68k trapc40 vx value 16199296 Oxf72e80 jtagtest vx_bss 0x184 ld lt bin vx68k wipec40 vx value 16194548 Oxf7 1bf4 trapc40 vx_bss 0x590 Start the remote Ariel debugger emurst Hydra II jtag circuitry is reset value 1 0x1 jtagtest jtagtest passed 1 value 0 0x0 A User s Guide for ALFA 31 Chapter 5 Log Files console trantor boot log ld lt bin vx68k raxdsd vx sp raxdsd AOA Modules Utility cd getenv AOA ROOT value 0 0x0 lt etc UtilStartup cmd Adaptive Optics Associates 54 CambridgePark Drive Cambridge MA 02140 2308 USA Phone 617 864 0201 Fax 617 864 1348 Copyright C 1995 AOA All Rights Reserved Fe PROJECT HBAR 4265 036 FILE
19. 1 Introduction First steps Move all stages to their default standard positions 12 ALFA LLCCD Camera CRT is ON TE Cooler is ON TE Currentis 0 2 TE Voltage is 1 5 TE Temperature C is 5 5 rae ate om 4 Camera Gain fi 4 CRT Gain 2 4 CRT ON A OFF w STOP TE Cooler gt ON w OFF Update Close zl Figure 1 5 LLCCD Camera Panel After all stages are initialized the next step to do is moving them into their default positions Some of the MPIA stages mpiaStages dl mpiaStages1 dl have more than one default position These default buttons usually have numbers as label In order to calilbrate the AO system for use with a natural guide star select the in and NGS positions of the f10 reference fiber One of the dichroics has to be in its in position Before a dichroic can be moved in the other dichroic has to be in its out position Open then Utilities panel from the ALFA main GUI figure 1 6 and select the filter of the WES Filter Wheel you need in order to run the AO loop The f 10 Reference fiber can either be switched on via the f 10 Reference On button or externally on the Breadboard Select the Big Hole Field Stop The Tracker Filter Wheel position can be selected later If all stages have reached their default position the image of the optical fibre should appear on the Shack Hartmann sensor SH sensor WFS and in the center of the tip tilt
20. 177 value 3 0x3 cd to application install directory beware automounter problems cd usr aos alfa epicsR3 12 2 value 0 0x0 pwd ast aos alfa epicsR3 12 2 value 27 Ox1b Load EPICS core and record stuff ld lt epics base bin mv177 iocCore value 15947008 0xf35500 _asLock 0x234 ld lt epics base bin mv177 drvSup value 15902396 Oxf2a6bc _epvxiResourceMangerOK 0x324 ld lt epics base bin mv177 recSup value 16145632 Oxf65ce0 _epvxiLibDeviceList 0x938 ld lt epics base bin mv177 devSupIms value 15348736 0xea3400 ims command qid 0x52c If using state programs load the sequencer ld lt epics base bin mv177 seq value 15346224 Oxea2a30 A User s Guide for ALFA 37 Chapter 5 Log Files console trantor boot log 38 Load any application records device support or drivers here or code for subroutine records ld lt bin mv177 testsub o Load sequences here ld lt bin mv177 imsseq value 15343716 Oxea2064 Configure the Timestamp system 1 Master IOC TSconfigure 1 0 0 0 0 0 value 0 0x0 Load one or more ASCII databases here dbLoad data default dctsdr value 0 0x0 dbLoadRecords data aoaStages db value 0 0x0 dbLoadRecords data aoaStatus db value 0 0x0 This turns off logging iocLogDisable 1 _iocLogDisable 0xf0e788 value 1 0x1 iocInit data resource def A A A A A R A A R RAA A A ARARA A EHH
21. 5 sub apertures MLM 2 c 9x9 sub apertures MLM 3 d 10x10 sub apertures MLM 4 e 12x12 sub apertures MLM 5 rim the relay lens module tex the Tip tilt Tracker camera X axis tcy the Tip tilt Tracker camera Y axis tez the Tip tilt Tracker camera Z axis tfw the Tip tilt Tracker filter wheel 11 12 wfs the Wavefront sensor camera position wfsfw the Wavefront sensor camera filter wheel Initialize stages The first thing you should do is initializing all stages Click on the radio button of the stage that you want to initialize and select the Initialization Sequence entry in the Operations Update menu You can also Initialize ALL stages at once Initializing all stages takes up to 12 minutes Setup Find Home Find Encoder Mark Stages Part 2 Initialization Sequence Go to the MPIA stages control panel mpiaStages1 dl figure 1 3 This panel gives allows Initialize ALL stages you to control 4 stages Stop Reset All Drivers 2 3 4 1 TV Guider the TV guider camera Y axis the one that is perpendicular to the TV Guider focus axis with two characteristic positions a On axis b Off axis Tip tilt mirror the tip tilt mirror is the first mirror in ALFA that sees light from the Telescope tertiary mirror This mirror has three characteristic positions a ALFA in Tip tilt mirror is in the on axis position b Out Tip tilt mirror is completely out off the f 10 beam
22. A User s Guide for ALFA Draft Stefan Hippler and Andreas Glindemann Max Planck Institut f r Astronomie Heidelberg Germany July 1997 MPIA Release 1 1 MPIA Release 1 1 A User s Guide for ALFA Max Planck Institut f r Astronomie K nigstuhl 17 69117 Heidelberg Germany http www mpia hd mpg de MPIA Projects ALFA Draft Document Revision 1 Chapter 1 Introduction 1 Overview ALFA the Adaptive optics with Lasers For Astronomy system for the Calar Alto 3 5m Telescope consists of four major components 1 The Telescope and its controls system TCS 2 The adaptive optics system AO consisting of a The adaptive optics Breadboard figure 1 8 which holds all opto mechanical parts b the Wavefront Sensor WFS often also called Shack Hartmann SH sensor c the Tip tilt Tracker TTT d e f a TV based wide field guiding and acquisition system TVG a calibration and reference source Laser a compact interferometer uPhase to flatten the deformable mirror DM g The adaptive optics controls system AOS 3 The Laser Guide Star LGS subsystem and its controls system 4 The science cameras OMEGA Cass MAGIC and their controls systems This document describes how to set up the entire AO Separate User s manuals exist for the Telescope controls system the Laser Guide Star controls system and all science cameras Only peculiarities of these instruments due to ALFA will
23. H HEHH H EPICS IOC CORE H Version R3 12 2patchl Date 1996 04 02 EEE HEE ETE EEE EEE devIms483 Initializing stage fsmTilt b devIms483 Initializing stage fsmTip a devIms483 Initializing stage fsrfs i devIms483 Initializing stage fsrfz j devIms483 Initializing stage hlas c devIms483 Initializing stage rim d devIms483 Initializing stage tcx f devIms483 Initializing stage tcy g devIms483 Initializing stage tcz h devIms483 Initializing stage tfw k devIms483 Initializing stage wfs e devIms483 Initializing stage wfsfw 1 Oxf91f6c tShell iocInit All initialization complete value 0 0x0 Start sequences seq amp imsseq SEQ Version 1 9 0 3 12 1 Tue Jul 23 12 09 37 MET DST 1996 tShell 11 20 96 12 24 49 Spawning state program imsseq task name imsseq tShell 11 20 96 12 24 49 Task id 14378276 0xdb6524 value 14378276 0xdb6524 end of AOA EPICS startup A User s Guide for ALFA Document Revision 1 Chapter 5 Log Files console keahua boot log Done printf n n DONE WITH SYSTEM INITIALIZATION n n n Krk DONE WITH SYSTEM INITIALIZATION xK value 43 0x2b imsseq 11 20 96 12 24 49 Spawning task 16313092 imsseq_1 imsseq 11 20 96 12 24 49 Spawning task 14327324 imsseq_2 Done executing startup script usr aos alfa etc HBARStartup cmd alfa trantor gt 2 console keahua boot log MPIA Release 1 1
24. a 4 That s it for the moment A User s Guide for ALFA Document Revision 1 Chapter 1 Introduction First steps iF ALFA Adaptive optics with Lasers For Astronomy File Options System Functions State RUN CLOSED LOOP Mode NORMAL Setup Closed Loop Wavefront Sense Image Only Diagnostics Loop Start Stop Re Init Term Mode Open Freeze Close Messages 1 Calibration Data Camera Utilities Stages Quit EG Figure 1 1 The ALFA Adaptive Optics Main GUI First initializations Stages Part 1 and operational Click on the Stages button within the Adaptive Optics Subsystem Main GUI figure 1 1 checkouts A new window comes up figure 1 2 that controls the following 12 stages figure 1 8 1 fsmTilt the field select mirror Tilt axis 2 fsmTip the field select mirror Tip axis as well as Shutter and Laser Control 3 fsrfz field stop reference fiber Z axis focus 4 fsrfs field stop reference fiber selector with 3 distinct positions MPIA Release 1 1 A User s Guide for ALFA 7 Chapter 1 Introduction First steps vo WS ON a Reference position b Small hole position c Big hole position hlas the hartmann lens array selector or Monolithic Lenslet Module MLM array selector Five different MLM s are available a 3x3 sub apertures MLM 1 b 5x
25. alue 0 0x0 dbLoadRecords data charmdb db value 0 0x0 dbLoadRecords data aoaStages db A User s Guide for ALFA Document Revision 1 Chapter 5 Log Files console keahua boot log MPIA Release 1 1 value 0 0x0 dbLoadRecords data mpiaStages db value 0 0x0 This turns off logging iocLogDisable 1 _iocLogDisable Oxelfa4c value 1 0x1 iocInit data resource def EEE HEE EET EEE EE H EPICS IOC CORE H Version R3 12 2patchl Date 1996 04 02 A E H A A R A A AR RAA AARAA AHHAR HEHH devIms483 Initializing stage f10Focus m devIms483 Initializing stage dichroicTip u devIms483 Initializing stage dichroicTv t devIms483 Initializing stage f10Tilt q devIms483 Initializing stage f10Tip 0 devIms483 Initializing stage fibreX r devIms483 Initializing stage fibre Y p devIms483 Initializing stage tiptiltMirrorY n devIms483 Initializing stage tvGuiderY s Oxf919fc tShell iocInit All initialization complete value 0 0x0 Start sequences seq amp auiseq stack 50000 SEQ Version 1 9 0 3 12 1 Tue Jul 23 12 09 37 MET DST 1996 tShell 11 20 96 12 58 13 Spawning state program auiseq task name auiseq tShell 11 20 96 12 58 13 Task id 13321636 Oxcb45a4 value 13321636 Oxcb45a4 taskDelay sysClkRateGet auiseq 11 20 96 12 58 13 Spawning task 13271236 auiseq_1 auiseq 11 20 96 12 58 13 Spawning task 13220836 auiseq_2 auiseq 11
26. atically updates the screen when new interferograms are available see figure 2 1 Type q inside the uPhase Display to quit the program For more information about see man display Wave aberration P V 8 96 Lens 188 Factor 1 88 RMS 8 19 radius w mn Tilt 28 23 Dianeter 188 88 nn Waitingtine 39s Ref wavelength 1 EFA u Power lt inactive gt U 8 68 8 58 4 8 38 28 8 18 8 08 8 18 8 28 08 38 98 48 8 580 8 68 FIS BA BIFO Phase Ver 2 14A Max Planck Institut File nane Device f r Astrononie Heidelberg pdat1088 dat J632 8 nn Figure 2 1 uPhase Display 16 A User s Guide for ALFA Document Revision 1 Chapter 2 Adaptive Optics Correction Closed Loop Operation Flatten the Deformable Mirror 9 10 48180 FISBA Phase Open the ALFA window and type in the commands cd HOME FLATDM makeFlat The messages makeFlat Info using usr aos alfa config DMBias as input profile makeFlat Info creating DMBias new appear inside the ALFA window and a new window pops up showing the actual flatten pattern of the DM Each square besides the squares in the four edges is mapped to one of the 97 DM actuators Before you can start poking individual actuators you have to select an actuator by moving the mouse cursor onto the square actuator you want to poke and then press either lt space gt or m As long as the mouse cursor is inside the makeFlat GUI it is possible t
27. be mentioned in this manual MPIA Release 1 1 A User s Guide for ALFA 3 Chapter 1 Introduction Software and Computer Overview 2 Software and Computer Overview hbar and dospan ALFA workstation and X terminal trantor the adaptive optics VME system keahua the tip tilt Tracker VME system tvg2 the TV wide field acquisition and guiding system uphase the interferometer control laptop Most parts of the AO control software have been written in TCL TK and C code Parts of the Tip tilt Tracker software are written in OCCAM Other parts of the ALFA control software are written in EPICS sequencer state notation language code as EPICS database records db and EPICS display list dl code All graphical user interfaces GUI s run on the SOLARIS gt 2 4 operating system The ALFA GUI s can be invoked on any X11 based display The recommended GUI hardware is either the standard ALFA workstation hbar which has two monitors or the standard ALFA X terminal dospan with two monitors ALFA has several types of computer processor hardware with software distributed across many processors The core software to processing the adaptive optics closed loop runs on twenty 50 MHz Texas Instruments TMS320C40 Digital Signal Processors DSP s In each case four DSP s are in one HYDRA II board made by Ariel Corp In total five HYDRA II boards and one Motorola MVME177 50 MHz board build trantor one of several VME
28. d and execute EPICS system iocCore software and other CHARM alfa release software Stefan Hippler Change log 17 Sep 1996 ALFA hbar integration started 19 Sep 1996 stages software added 23 Sep 1996 load esters software 1 Oct 1996 home directory now export home alfa CHARM 19 Nov 1996 ut rdate and tnetDev added AOA_ROOT set to usr aos alfa was usr aos hbar create user password table 40 A User s Guide for ALFA Document Revision 1 Chapter 5 Log Files console keahua boot log MPIA Release 1 1 loginUserAdd alfa bQbyyRbdzS value 0 0x0 loginUserAdd hippler cQQcRez9Qz value 0 0x0 hostAdd hbar 150 214 222 20 value 1 Oxffffffff end Oxfff79651 setup an User ID for Remote File Access via NFS uid of alfa nfsAuthUnixSet hbar 220 200 0 value 0 0x0 change the shell prompt shellPromptSet alfa keahua gt value 499236 0x79e24 _shellHistSize 0x4 mount hbar disks nfsMount hbar value 0 0x0 nfsMount hbar data value 0 0x0 nfsMount hbar tmp value 0 0x0 nfsMount hbar export home value 0 0x0 nfsMount hbar usr aos value 0 0x0 1 define EPICS application root EROOT EPICS charmAppl new symbol EROOT added to symbol table EROOT 0xf95f00 value 16328708 0xf92804 define AOA root putenv AOA_ROOT usr aos alfa value 0 0x0
29. d below the ALFA breadboard C lt Enter gt CD uphase lt Enter gt ki lt Enter gt Press lt F10 gt to enter the live fringe adjustment display adjust the fringe pattern Press lt Esc gt to exit the adjustment display Press lt F7 gt to enter the calibration menu select delay 30 if you want automatic measurements with a 30 s delay between measurements Press lt Enter gt this loads the calibration profile from disk the message Starting with automatic measurement appears check the result on the laptop screen if everything looks fine close the laptop All data coming from the interferometer are stored on hbar in the directory data alfa uphase All filenames begin with the prefix pdatl Numbers are added to this prefix in increasing order It s sometimes a good idea to remove all interferometer data files before MPIA Release 1 1 A User s Guide for ALFA 15 Chapter 2 Adaptive Optics Correction Flatten DM Procedure you start the PC program ki because ki can handle no more than 999 data files e g pdat1999 dat and pdat1999 pcx are the last files ki can create Remove the data files with the command cd data alfa uphase rm pdat1 pcx pdat1 dat Display Open the Workspace popup menu select SHPrograms and there select uPhase Display interferograms on A new window appears which displays the last interferometer image pdat1 pcx created the X display by ki The uPhase Display autom
30. d positions of the SH sensor for each mode greatly facilitates the alignment of the system as accurate knowledge of the aperture shape and position with respect to the lenslet array is not required You can choose between two algorithms for the wavefront analysis 1 WPA or weighted pixel averaging which computes the spot center as center of gravity of the intensity distribution and 2 Spot Fitting which calculates the spot center by finding the pixel with the highest intensity in the given subaperture and performing then a fit over a 3x3 area centered around this pixel After the calibration is done the results that are stored in a number of files have to be saved by clicking on Save Pressing the Done button is equivalent to pressing the Save and then the Cancel dismiss button In the upper part of the Calibration GUI the directory can be chosen where the files are supposed to be saved The default name is Calibration but by creating other directories in an x term window one can create a variety of data sets e g for different numbers of subimages A feature of the system requires that you Edit the number of modes and explicitly click on OK in the ALFA Modal Weights window figure 2 5 although the proper number of modes was used for the calibration procedure All actions above the Save button require to click on Save or Done in order to save the files in the directory Calibration The modal weights are saved by clicking on OK in the ALFA Moda
31. e fiber is switch on and off via the Utilities panel A User s Guide for ALFA Document Revision 1 Chapter 1 Introduction First steps Initialize stages The INIT button blinks to indicate that this stage has not yet been initialized Press the INIT button to start the initialization The STOP button blinks while the stage is initializing You can press all INIT buttons without waiting for an initialization process to complete Figure 1 4 MPIA Stages F10 Parabola etc Control Panel The Wavefront Sensor Shack Hartmann Sensor Clicking on the Camera button inside the AOS main GUI raises the LLCCD Camera window This window see figure 1 5 provides both control and diagnostic settings for the Lincoln Lab CCD camera inside the Wavefront sensor Check the LLCCD Check the CRT ON radio button even if it is already marked on The LLCCD video Video Display control monitor RS 170 NTSC display starts displaying live images Defaults settings are CRT ON TE ThermoElectric Cooler ON Camera Gain 1 possible selections 1 or 2 CRT Gain 2 possible selections 0 1 2 3 4 Frame Rate 301 possible selections 100 201 301 408 500 600 702 804 902 1000 1018 1058 1078 1100 1122 1144 1168 1194 1206 TE Current usually around 0 2 A 7 TE Voltage usually around 1 V 8 TE Temperature usually around 5 degrees centigrade nA WN e a MPIA Release 1 1 A User s Guide for ALFA 11 Chapter
32. eginning 3 Tr Workspace SHLogins SHPrograms Meteosat Utilities Programs Properties workstation Info Help Exit m SHLogins xterm1 xterm2 console keahua console trantor MPIA Release 1 1 First steps Everything is connected properly Everything on the breadboard is switched off hbar the primary ALFA workstation is running A U N e Login to hbar as user alfa for login account information ask local staff Note If you are using the X terminal dospan select hbar from the login chooser menu If the login chooser is not available give lt ALT GRAPH gt lt HELP gt on the keyboard This starts the launcher program from which you can start a new X terminal xdm session via the login chooser menu 5 Click with the right mouse button on the root window background on data 6 This opens the Workspace menu Select console keahua and console trantor from the SHLogins sub menu 6 Turn on everything on the breadboard except the UFORIA R used with the DM and the DM see DM start up procedure below 7 Turn on trantor and keahua and check the messages that appear in the corresponding console windows 8 Wait for the lower red light on the trantor UFORIA board to go out 9 Turn on UFORIA R which is located in the DM electronics rack 10 Turn on the DM a Check that the master breaker in the back of the DM electronics is on b Turn on the top front circui
33. es cd getenv AOA ROOT value 0 0x0 cd bin value 0 0x0 ld lt StageDevice vx o value 16261176 0xf82038 _stagelnitSync 0x230 ld lt StageServer vx o value 16257696 Oxf812a0 ld lt Stage vx o value 16184436 Oxf6f474 Stage vx o_bss 0x8 ld lt Stage_debug vx o value 16185036 Oxf6f6cc Stage vx o_bss 0x260 Initialize stage_debugFlag 0 _stage_debugFlag 0xf759b4 value 0 0x0 Stage Init INFO Stage 0x0000 Stage Init initializing Stage Subsystem INFO Stage 0x0000 Stage Init starting the device driver INFO Stage 0x0000 Stage Init starting the stage server value 0 0x0 The following command is necessary only if the previous command is commented out Stage_Init already does StageDevice_Init port it Stage Server Stop Stage Server Start Stage_Server_Start 44 A User s Guide for ALFA Document Revision 1 Chapter 5 Log Files console keahua boot log MPIA Release 1 1 Done load esters software cd getenv ESTERS_ROOT value 0 0x0 lt estLoad cE Ph ee SUE LEREE SNE estLoad Stefan Hippler 15 Jul 96 pt ls ee ves BE unld estIniExternals o value 1 Oxffffffff EROOT Oxff06a0ff unld estlo o value 1 Oxffffffff EROOT Oxff06a0ff unld estHl o value 1 Oxffffffff EROOT Oxff06a0ff unld estStat o value 1 Oxffffffff EROOT Oxff06a0
34. expart home alfa Calibration Browse Positions MLM Selector Current 3x3 1 5x5 2 3x3 3 10x10 4 12x12 5 AO Source Number of Modes 15 Take Offset A Natural Guide Star Control System Operations Load w Laser Guide Star Take Reference Edit w Pupil Reference Positions v Test Algorithms Generate Matrices Save WFS WPA Done Cancel Figure 2 2 The ALFA Calibration GUI If the signal level is satisfactory select the Hexagonal Grid type and click on Compute Rectangles which forces the system to search for those spots that are brighter than 0 2 times the peak intensity This number is adjustable with Brightness Threshold in the Reference GUI ALFA calculates the most suitable positions of rectangles around the spots These define the area on the CCD within which the centroid is calculated Playing with the parameters Min Pixels between Centers and Max Pixels between Centers pretty quickly gives you a feeling of how to adjust them in order to produce the desired size of rectangles When the calculated rectangles are displayed as green squares clicking inside them with the left mouse button unselects them This is important for the central obscuration of the telescope pupil If in doubt which central boxes to unselect look at a star first Also if the rectangles are too close to or partially outside of the CCD array
35. fa etc HBARStartup cmd Adaptive Optics Associates 54 CambridgePark Drive Cambridge MA 02140 2308 USA Phone 617 864 0201 Fax 617 864 1348 Copyright C 1995 AOA All Rights Reserved A User s Guide for ALFA Document Revision 1 Chapter 5 Log Files console trantor boot log MPIA Release 1 1 PROJECT HBAR 4265 036 FILE HBARStartup cmd MODULE ETC DESCRIPTION Master VxWorks startup command file Id HBARStartup cmd v 1 10 1996 09 12 06 20 33 andy Exp Environment Variables putenv AOA_ROOT usr aos alfa value 0 0x0 Hosts hostAdd hbar 150 214 222 20 value 1 Oxffffffff _end Oxfff77591 change the shell prompt shellPromptSet alfa trantor gt value 507476 0x7be54 _shellHistSize 0x4 File Systems nfsMount hbar usr aos 0 value 0 0x0 nfsMount hbar data 0 value 0 0x0 nfsMount hbar export home 0 value 0 0x0 nfsMount hbar tmp 0 value 0 0x0 Hydra cd getenv AOA ROOT A User s Guide for ALFA 29 Chapter 5 Log Files console trantor boot log 30 value 0 0x0 lt etc HydraStartup cmd Adaptive Optics Associates 54 CambridgePark Drive Cambridge MA 02140 2308 USA Phone 617 864 0201 Fax 617 864 1348 Copyright C 1995 AOA All Rights Reserved
36. ff ld lt estIniExternals o value 16269584 Oxf84110 estIniExternals o_bss 0x8 estIniExternals 2 value 0 0x0 ld lt estlo o value 16270204 0xf8437c estIniExternals o_bss 0x274 ld lt estHl o value 16218348 0xf778ec estHl o_bss 0x8 ld lt estStat o value 16266572 Oxf8354c estlo o_bss 0x54c load astromed user interface aui and CHARM PZT serial control modules lt vw STARTUP keahua JEE TE E E E k k k k k k kk k k k k kk k K ak ak 3K K ak ak 2K ak akk 3K aK ak 3K aK K K 3K K aK SKK K ak SK K akk ak 3K K ak FKK K 3K 3K gt K aK k aK 2K K gt K 2K STARTUP keahua Stefan Hippler AstroCam vxWorks VME MV 167 33MHz System VxWorks Startup Procedure loaded either from VxWorks boot script or from EPICS startup script startup keahua Change log 13 Oct 95 first release without LQS package 26 Oct 95 new directory structure added 4 Nov 95 cleanup 8 Jan 95 Calar Alto Implementation 29 May 96 modified to new waipi disk layout 1 Sep 96 CHARM SERIAL now on EPICS charmA ppl src SERIAL 17 Sep 96 hbar setup started 1 Oct 96 new home directory export home alfa 4 Oct 96 nfs mounts now in EPICS charmAppl startup keahua 19 Nov 96 host epsalfal added HHH HHH HH H A User s Guide for ALFA 45 Chapter 5 Log Files console keahua boot log 46 create user password table loginUserAdd alfa bQbyyRbdzS loginUserAdd hippler cCQQcRez9Qz
37. l Weights GUI Thus changing the weighting of the modes requires an OK to confirm and save the new parameters v ALFA Modal Weights Set Allto0 0 set Aito 05 Set Alito 1 0 Mode 0 1 000000 Mode 10 1 000000 gt Mode 1 1 000000 Mode 11 1 000000 Mode 2 1 000000 Mode 12 1 000000 Mode 3 1 000000 Mode 13 1 000000 Mode 4 1 000000 Mode 14 1 000000 Mode 5 1 000000 gt Mode 6 1 000000 gt Mode 7 1 000000 gt Mode 8 1 000000 Mode 9 1 000000 OK Cancel ER ur u re ER u Figure 2 5 The ALFA Modal Weights Edit GUI The calibration procedure is finished now In order to run the system with the parameters determined in the calibration procedure go the main GUI click on Closed Loop and if you want to use the new calibration rather then a set that was saved earier hit Create A User s Guide for ALFA Document Revision 1 Chapter 2 Adaptive Optics Correction Closed Loop Operation New in the Corrective Loop Setup GUI figure 2 6 and click OK when being asked whether the Setup directory should be overwritten If you didn t Edit the modes after changing the number of modes with respect to an earlier calibration the system complains by moaning about the number of modes not fitting the other parameters Go back to the Calibration GUI click on Edit and OK Return to the main GUI and Closed Loop and Create New should now create a new set of
38. lt bin mv177 rdate value 12843644 Oxc3fa7c rdate_bss 0x33c Start fabry perot software pwd lt STARTUP FPI cd to CHARM s working directory cd export home alfa CHARM value 0 0x0 pwd export home alfa CHARM value 24 0x18 Done executing startup script EPICS charmAppI startup keahua alfa keahua gt A User s Guide for ALFA Document Revision 1
39. m one monitor to the oth er Suggested window positions are specified as monitor virtualDesktopNumber where virtual desktops are numbered from left to right and top to bottom e g the top left virtual desktop number is 1 and the bottom right virtual desktop number is 6 The reference console 1 suggests that you create the given window GUI on the console monitor in virtual desktop 1 A User s Guide for ALFA 5 Chapter 1 Introduction First steps 3 SHPrograms Dali clock Netscape tkMan Keyes ALFA ALFA EPICS Control Status Panels ALFA Tip tilt Tracker uPhase Display Satellite Tracker Kill all ALFA processes 11 12 13 14 15 16 17 18 e Turn on both high voltage power supplies f Simultaneously turn the voltage knobs until both voltages read 40 Volts g Keep the voltages within 5 volts h Raise the 80 Volt power supply voltage bottom until 70 volts are reached Back to hbar click with the right mouse button on the root window background on data 2 This opens the Workspace menu Select ALFA EPICS Control Status Panels from the SHPrograms sub menu and wait until the main menu alfaMenu dl appears The display manager dm will open a second window that you don t need here Close do not quit or exit it Click with the right mouse button on the root window usually on console 1 and select ALFA from the Workspace gt SHPrograms menu An xterm icon with the name
40. o poke the selected actuator with the keystrokes described below poke values range from 0 to 65535 and are displayed as third number in the makeFlat GUD add 1 subtract 1 lt Arrow up gt add 10 lt Arrow down gt subtract 10 lt Page Up gt add 100 lt Page Down gt subtract 100 NYDN fF WN mm lt space gt or m select actuator at cursor position 8 r refresh the makeFlat GUI When ever you press one of the keys 1 6 the entire flatten profile is immediately send to the DM and the new profile is stored in the file DMBias new default If you want to keep an intermediate pattern you have to save the DMBias new file e g cp DMBias new DMBias new 00 The flatten pattern given by makeFlat and the contour plot of the uPhase display correspond approximately one to one 2 Closed Loop Operation Calibration of the AO system 4200 STOP A MPIA Release 1 1 The fiber image on the SH sensor is used to calibrate the AO system That means that the wavefront provided by the fiber is considered to be the perfect plane wave and the position of the subimages in the SH sensor are the reference positions when running the system in closed loop Therefore it is necessary to align the off axis paraboloids and the focus position of the fiber such that the fiber image on MAGIC is optimised Usually fiddling with the f 10 tilt and the fiber focus is enough to create a spot with a FWHM lt 2 pixels on
41. o_bss 0x8 lt inmoslnstalllserver sh gt export home alfa LOG keahua inmoslnstalllserver sh LOG lt inmosInstallTool sh gt export home alfa LOG keahua inmosInstallTool sh LOG install CHARM software cd EPICS charmA ppl src SERIAL value 0 0x0 lt charmLoad ld lt charmlniExternals o value 15988072 Oxf3f568 charmlniExternals o_data 0x308 charmIniExternals 2 value 1 0x1 ld lt charmIni o value 15954940 Oxf373fc charmIni o_bss 0x324 ld lt charmSend o value 15952864 Oxf36be0 charmSend o_bss 0x8 ld lt charmCrash o value 15956736 Oxf37b00 charmCrash o_bss 0x8 ld lt charmPS o value 15957348 0xf37d64 charmCrash o_bss 0x26c ld lt charmPSNowait o value 15954292 0xf37174 charmIni o_bss 0x9c ld lt charmTipTilt o value 15950328 Oxf361f8 charmTipTilt o_bss 0x8 ld lt testPort1_1 o value 15949488 Oxf35eb0 testPort1_1 0_bss 0x118 ld lt testPortl 2 0 value 15947496 0xf356e8 ITOOLS Ox5ec ld lt testPort1_3 0 value 15946984 0xf354e8 ITOOLS Ox3ec ld lt cpm o value 15951276 Oxf365ac charmPSNowait o_bss Oxa4 ld lt rpm o value 15941060 Oxf33dc4 iserver_bss 0x978 install 42gci interface and boot TRAM and Astromed transputer cd getenv ASTROMED value 0 0x0 cd 42gci value 0 0x0 A User s Guide for ALFA 47 Chapter 5 Log Files console keahua boot log 48 lt 42gcilnstall sh
42. onsole trantor boot log VxWorks System Boot Copyright 1984 1994 Wind River Systems Inc CPU Motorola MVME177 Version 5 2 BSP version 1 0 Creation date Thu Jul 20 17 05 04 PDT 1995 Press any key to stop auto boot 10 auto booting boot device ej processor number 0 host name hbar file name Jasr aos hbar vw config mv 177 vx Works inet on ethernet e 150 214 222 22 ffffff00 MPIA Release 1 1 A User s Guide for ALFA Chapter 5 Log Files console trantor boot log 28 host inet h 150 214 222 20 gateway inet g 150 214 222 1 user u alfa flags f 0x8 target name tn trantor startup script s usr aos alfa etc HBARStartup cmd Attaching network interface ei0 done Attaching network interface 100 done Loading 497440 30600 27590 Starting at 0x1000 Attaching network interface ei0 done Attaching network interface 100 done Loading symbol table from hbar usr aos hbar vw config mv 177 vxWorks sym done VIN VV 111111111 WN a WWW Nl R 1 WWW WN UMM 1 111 1 WW WW 11 1 111 W MHI a al ana Ill WN M 142 UMM 1111 111 WN J um a UMM ll M m MI WW ll M m MII aa a ml 111 m 1 11 WI a 1111 TN TW Development System TN TW VxWorks version 5 2 WNW KERNEL WIND version 2 4 WNW Copyright Wind River Systems Inc 1984 1995 CPU Motorola MVME177 Processor 0 Memory Size 0x1000000 BSP version 1 0 Executing startup script usr aos al
43. s are required The ALFA Data Handler figure 2 7 can display and save LLCCD images at a rate of about 2 Hz 5 Diagnostics This mode is for maintenance only It runs diagnostic test routines on the DSP s A User s Guide for ALFA Document Revision 1 Chapter 2 Adaptive Optics Correction Diagnostics DM Drive Signals 0429 Wavefront Modes 0429 Wavefront Gradients 0429 m Display F Display c P Diplay F Display Stan Colection Browse Stop Figure 2 7 ALFA Data Handler Windows MPIA Release 1 1 A User s Guide for ALFA 23 Chapter 2 Adaptive Optics Correction Diagnostics 24 A User s Guide for ALFA Document Revision 1 Chapter 3 Tip tilt Correction Overview Finding the tip tilt star Checking the readout parameters Tip tilt ON CCD parameters Gain System status and Command status MPIA Release 1 1 A User s Guide for ALFA 23 Chapter 3 Tip tilt Correction Setup 8 Setup 9 Imaging modes 10 Other business 11 Data files 12 Adjusting and verifying scale factors 24 A User s Guide for ALFA Document Revision 1 Chapter 4 What to do when 1 Questions and answers about using ALFA software MPIA Release 1 1 A User s Guide for ALFA 25 Chapter 4 What to do when Questions and answers about using ALFA software 26 A User s Guide for ALFA Document Revision 1 Chapter 5 Log Files 1 c
44. sensor TT sensor A User s Guide for ALFA Document Revision 1 Chapter 1 Introduction First steps Figure 1 6 The ALFA Utilities Panel Chapter 2 describes the calibration procedure of the SH sensor and Chapter 3 deals with the TT sensor MPIA Release 1 1 A User s Guide for ALFA 13 Chapter 1 Introduction First steps cy tez tw DS Tip tilt mirror 10 parabola focus tip and tilt 10 reference fibre dz TV Guider Figure 1 7 Location of ALFA s motorized stages on the Breadboard 14 A User s Guide for ALFA Document Revision 1 Chapter 1 Introduction First steps f 10 Paraboloid f 25 Paraboloid Interferometer FISBA Deformable Mirror Xinetics f 10 Reference Fiber Tip tilt Mirror TV Guider The ALFA Optical Bench B I oO Q Oo zZ Tip tilt Sensor Shack Hartmann Sensor AOA Figure 1 8 The ALFA Optical Bench MPIA Release 1 1 A User s Guide for ALFA 15 Chapter 1 Introduction First steps 16 A User s Guide for ALFA Document Revision 1 Chapter 2 Adaptive Optics Correction BS 8622 with ALFA uncorrected corrected 1 Flatten DM Procedure Starting the PC A micro interferometer based on the Twyman Green system is used to measure the surface program ki roughness Start the measuring program on the uphase PC m vo aA WW FW WN 10 11 12 13 14 Switch on uphase locate
45. t breaker The boot light will come on for about 0 5 second The other light may not always have the same pattern c Check that the voltage knobs are fully counter clockwise d Check that the current knobs are set to their default position 2 5 turns clockwise 1 Controlling ALFA requires a lot of GUI windows Two monitors displays do not al ways offer enough space to view everything simultaneously The Virtual Desktop of fers more virtual screen space in order to run all GUI s simultaneously Just double click with the left mouse button inside a virtual desktop field and you get a new screen After having passed the login procedure you will see the virtual desktop window with 6 screen fields So you have 2 monitors with 6 virtual screens on each monitor makes 12 screens in total For more information on virtual desktop see man olvwm The monitor which displays the login sequence is called the console monitor or console display the other monitor is called the data monitor or data display In order to switch the input focus from the console monitor to the data monitor just move the mouse pointer over the right border of the console monitor and back over the left bor der Directing output to a particular monitor is controlled by the environment variable DISPLAY e g setenv DISPLAY dospan 0 0 for the console monitor or setenv DISPLAY dospan 0 1 for the data monitor The DISPLAY variable changes automatically when you move the mouse pointer fro
46. ue 15911996 Oxf2cc3c StageServer vx o_bss 0x94 Id lt Stage vx o value 15913776 Oxf2d330 Stage vx o_bss 0x8 Id lt Stage_debug vx o value 15914376 Oxf2d588 Stage vx o_bss 0x260 Initialize stage_debugFlag 0 _stage_debugFlag 0xf33870 value 0 0x0 Stage Init INFO Stage 0x0000 Stage Init initializing Stage Subsystem INFO Stage 0x0000 Stage Init starting the device driver INFO Stage 0x0000 Stage Init starting the stage server value 0 0x0 The following command is necessary only if the previous command is commented out Stage_Init already does StageDevice_Init port Stage_Server_Stop Stage_Server_Start 36 A User s Guide for ALFA Document Revision 1 Chapter 5 Log Files console trantor boot log MPIA Release 1 1 Stage_Server_Start Done CS_DisableDebugLog value 3 0x3 EPICS cd getenv AOA ROOT value 0 0x0 lt epics startup trantor VxWorks startup script to load and execute system iocCore software First vxWorks startup issues Network stuff Change to your default router if required routeAdd 0 127 0 0 1 Login stuff If you use vxWorks security you might use one of the following loginUserAdd alfa bQbyyRbdzS value 1 Oxffffffff _cofferr Oxff07a3a3 lt usr local VxWorks etc passwd Make delete key work for backspace tyBackspaceSet 0
47. ut Port 1 Jog Fast B 0 Resolution e 0 _4 Output Port 2 Settling Delay E 50 Stall Retry Count r fi Output Port 3 Update Stop Reset All Close Figure 1 2 The ALFA Adaptive Optics Subsystem Stages Panel MPIA Release 1 1 A User s Guide for ALFA 9 Chapter 1 Introduction First steps Initialize stages 10 mpiaStages1 dl Figure 1 3 MPIA Stages TV Guider etc Control Panel The INIT button blinks to indicate that this stage has not yet been initialized Press the INIT button to start the initialization The STOP button blinks while the stage is initializing You can press all INIT buttons without waiting for an initialization process to complete Stages Part 3 Go to the MPIA stages control panel mpiaStages dl figure 1 4 This panel allows you to control 5 stages 1 10 parabola focus the f10 parabola mirror focus position 2 10 parabola tip the f10 parabola mirror tip axis 3 f10 parabola tilt the 10 parabola mirror tilt axis 4 f10 reference fiber x the f10 reference fiber x axis with two characteristic positions a in move reference fiber into the f10 beam optical path b out move reference fiber out of the f10 beam The f10 reference fiber is switch on and off via the Utilities panel 5 10 reference fiber focus with two characteristic positions a NGS focus position to simulate a Natural Guide Star b LGS focus position to simulate a Laser Guide Star The f10 referenc
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