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ID Date Author Type Category Subject Text   5517   Thu Sep 22 13:45:17 2011 Paul Update SUS ETMX actuator response fits Fitting results:   Pitch -- Fit completed after 305 iterations--  Started      5516   Thu Sep 22 11:50:37 2011 Koji Update LSC Locking status update Both loops basically have no phase margins. i.e. unstable. How can you lock PRMI with these servos?      5515   Thu Sep 22 11:49:05 2011 kiwamu Update LSC some LSC scripts don't run on pianosa Found some LSC scripts didn't run on pianosa. Particularly all the scripts on the C1:IFO_CONFIGURE screen don't run.      5514   Thu Sep 22 10:43:50 2011 Paul Update SUS Power spectrum with different filter gains  I thought it might be informative before trying to optimise the filter design to see how the current one performs with      5513   Thu Sep 22 04:49:14 2011 Anamaria Update LSC Locking status update - Some Scripts, No Louck The scripts I wrote can be found in /users/anamaria/scripts/sensemat/ ]There are two of them: - one that sets all the switches,      5512   Thu Sep 22 01:45:41 2011 Keiko Update LSC Locking status update Keiko, Anamaria Tonight we want to measure the LSC matrix for PRMI and compare the simulation      5511   Thu Sep 22 01:05:28 2011 Katrin Update Green Locking New modulation frequency (Y arm) [Kiwamu / Katrin]   On Wednesday, the green light was      5510   Thu Sep 22 00:00:10 2011 Paul Update SUS ITMY and SRM actuator response functions - complex fitting results Here are the results of the complex fitting. The residuals are bigger this time, but still probably small enough to be ok(?), with the      5509   Wed Sep 21 23:44:45 2011 Paul Update SUS Re:ITMY and SRM actuator response functions - fitting results                                5508   Wed Sep 21 23:25:51 2011 kiwamu Update SUS Re:ITMY and SRM actuator response functions - fitting results Did you take the 180 deg shift into your account ? Since your measurement was done when      5507   Wed Sep 21 23:05:16 2011 Paul Update SUS ITMY and SRM actuator response functions - fitting results  I used an fminsearch function to fit the SRM and ITMY actuator response magnitudes. The testfunction was just that for a single      5506   Wed Sep 21 21:13:35 2011 rana Update IOO AM modulation misery How about changing the x-axis of all these plots into meters or picometers and tell us how wide the PRC resonance is? (something      5505   Wed Sep 21 19:20:41 2011 Suresh Update IOO PSL beam into MC was off in Pitch. Readjusted. I found the PSL beam into the MC off in pitch by large amount.  I readusted the PSL beam for optimal coupling.      5504   Wed Sep 21 18:53:03 2011 Keiko Update IOO AM modulation misery The signal offset due to the AM modulation is estimated by a simulation for PRCL for      5503   Wed Sep 21 17:42:35 2011 rana Update IOO AM modulation misery I'd like to see some       5502   Wed Sep 21 16:44:18 2011 Keiko Update IOO AM modulation mistery AM modulation depths are found to be 50 times smaller      5501   Wed Sep 21 16:31:28 2011 Paul Update SUS ITMY and SRM actuator response functions  I divided the open loop transfer functions by the filter response and the sensor responses (previously measured calibration      5500   Wed Sep 21 16:22:14 2011 rana Update SUS Summary screen The SUS SUMMARY screen is now fully      5499   Wed Sep 21 14:44:25 2011 Paul Update SUS ITMY and SRM open loop transfer functions    Here are the open loop transfer functions for ITMY and SRM. The various settings      5498   Wed Sep 21 14:28:25 2011 Koji Summary LSC The LSC code/screen modification for LSC LOCKINs The LSC code has been modified - The code was modified, compiled, and installed.      5497   Wed Sep 21 11:35:07 2011 steve Update VAC RGA scan RGA scan with maglev pumping speed at day 14 of the pump down. The larger inserted box contains      5496   Wed Sep 21 09:10:15 2011 Paul Update SUS ITMY and SRM oplev calibrations - measured and estimated                                5495   Wed Sep 21 02:49:39 2011 Keiko Summary LSC LSC matrices I created 3 kinds of LSC matrices, PRMI condition with carrier resonant in PRC, PRMI condition      5494   Wed Sep 21 00:37:01 2011 rana Update SUS ITMY and SRM oplev calibrations - measured and estimated I found that some of the Optical Lever Servos were ON today and injecting nonsense into the interferometer optics. I have set      5493   Wed Sep 21 00:34:29 2011 rana Update SUS SUS diag stuff... just so I remember what I'm doing ETMX was ringing up when it was mis-aligned for Y arm locking. I restored the input matrix to something more diagonal and its now damping      5492   Tue Sep 20 23:59:53 2011 Koji Summary LSC Plan to update the LSC code for multiple lock-ins DRMI team needs to use at least three lockins on LSC     Increase the number      5491   Tue Sep 20 23:01:37 2011 Keiko Update IOO AM modulation mistery Keiko, Suresh AM modulations are still there ... the      5490   Tue Sep 20 21:13:39 2011 Suresh Update IOO MC aligned and PSL beam into MC readjusted This morning after Kiwamu maximised the PSL beam coupling into the MC we noticed that the MC2 face camera showed the spot      5489   Tue Sep 20 20:58:35 2011 Anamaria Configuration LSC New AP Table Drawing As promised, I have made a final AP table drawing, including the MC camera relocation changes by Kiwamu. I have posted it in the      5488   Tue Sep 20 19:00:49 2011 Paul Update SUS ITMY and SRM oplev calibrations - measured and estimated   Kiwamu noticed that the 1/L in the counts per radian should have just been L,      5487   Tue Sep 20 18:03:45 2011 Paul Update SUS ITMY and SRM oplev calibrations - measured and estimated The measured calibration factors for the oplevs are as follows:   SRM pitch: 666urad      5486   Tue Sep 20 17:45:30 2011 kiwamu Update CDS daqd is restarting by hisself ? [Jenne / Kiwamu]  Fb was sick. Dataviewer and Fourier Tools didn't      5485   Tue Sep 20 16:45:09 2011 Jenne Update SUS SUS diag stuff... just so I remember what I'm doing Has the Q been checked?  Still in progress...      5484   Tue Sep 20 16:38:25 2011 Keiko Update IOO Small modulation depth Resonator box and the modulations are back now. But the modulation depth seems to be a bit smaller      5483   Tue Sep 20 16:31:24 2011 Keiko Update IOO Small modulation depth  Modulation resonator box is removed and the modulation      5482   Tue Sep 20 15:54:42 2011 kiwamu Update Cameras MC refl camera is available [Suresh / Kiwamu]  The MC REFL camera is now available. The camera      5481   Tue Sep 20 15:39:57 2011 Koji Update SUS free swinging test in vacuum condition Can't we use Yuta's auto-Q adjust script?  http://nodus.ligo.caltech.edu:8080/40m/3723 Edit by KI :      5480   Tue Sep 20 15:23:16 2011 Jenne Update SUS free swinging test in vacuum condition This is using data for the SRM from:  20 Sept 2011 03:20:00 PDT = 1000549215 You can see that there are still      5479   Tue Sep 20 14:53:13 2011 Jenne Update SUS Jenne's Scripts started                                5478   Tue Sep 20 13:57:44 2011 kiwamu Update IOO incident beam to MC aligned Since the MC wasn't able to capture the 00 mode in this morning I aligned the incident beam going to MC.      5477   Tue Sep 20 09:44:44 2011 Jenne Update SUS Jenne's Scripts started                                5476   Tue Sep 20 04:12:26 2011 Jenne Update SUS Jenne's Scripts started                                5475   Tue Sep 20 03:12:14 2011 Anamaria Update SUS Jenne's Scripts started I followed Jenne's instructions, ran the matrix filler script and then set the optics to freeswing. Someone has to burt resture      5474   Tue Sep 20 03:02:23 2011 Keiko Update LSC locking activity tonight  Keiko, Anamaria, Koji We      5473   Tue Sep 20 02:21:10 2011 Koji Update LSC LSC MEDM screen cleaning up I have made some cleaning up of the LSC-related MEDM screens. - LSC overview screen: ADC OVFL and      5472   Mon Sep 19 23:19:40 2011 Keiko Update IOO AM modulation mistery  Keiko, Anamaria We started to investigate the AM modulation mistery again. Checking just after      5471   Mon Sep 19 22:47:44 2011 Jenne Update SUS SUS diag stuff... just so I remember what I'm doing  The last person out tonight should run the following scripts: In Matlab:       5470   Mon Sep 19 21:19:25 2011 Katrin Update Green Locking Broadband photodiode characterization Another Hamasutu S3399 photodiode was tested with the electronic circuit as described in LIGO-D-1002969-v.      5468   Mon Sep 19 20:56:36 2011 Paul Summary SUS Remaining SRM and ITMY OSEMs calibrations   I've now taken data for the pitch and yaw calibrations for the OSEMs of SRM      5467   Mon Sep 19 18:05:27 2011 rana Update SUS Summary screen

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