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ID Date Author Type Category Subject Text Attachments
  5517   Thu Sep 22 13:45:17 2011 PaulUpdateSUSETMX actuator response fitsFitting results: 
 Pitch
-- Fit completed after 305 iterations--
 Started
 ETMX_PITCH_actuator_response_complex_fit.pngETMX_YAW_actuator_response_complex_fit.png 
  5516   Thu Sep 22 11:50:37 2011 KojiUpdateLSCLocking status updateBoth 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 kiwamuUpdateLSCsome LSC scripts don't run on pianosaFound 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 PaulUpdateSUSPower 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
 ITMY_YAW_closed_vs_open_noise.pdf 
  5513   Thu Sep 22 04:49:14 2011 AnamariaUpdateLSCLocking status update - Some Scripts, No LouckThe 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 KeikoUpdateLSCLocking status updateKeiko, Anamaria
Tonight we want to measure the LSC
matrix for PRMI and compare the simulation
 PRCL-OLT.pdfMICH-OLT.pdf 
  5511   Thu Sep 22 01:05:28 2011 KatrinUpdateGreen LockingNew modulation frequency (Y arm)[Kiwamu / Katrin]
 
On Wednesday, the green light was
  
  5510   Thu Sep 22 00:00:10 2011 PaulUpdateSUSITMY and SRM actuator response functions - complex fitting resultsHere are the results of the complex fitting.
The residuals are bigger this time, but still
probably small enough to be ok(?), with the
 ITMY_PITCH_actuator_response_complex_FIT.pngITMY_YAW_actuator_response_complex_FIT.pngSRM_PITCH_actuator_response_complex_FIT.pngSRM_YAW_actuator_response_complex_FIT.png 
  5509   Wed Sep 21 23:44:45 2011 PaulUpdateSUSRe:ITMY and SRM actuator response functions - fitting results

    

       
            
  
  5508   Wed Sep 21 23:25:51 2011 kiwamuUpdateSUSRe:ITMY and SRM actuator response functions - fitting resultsDid you take the 180 deg shift into your
account ?
Since your measurement was done when
  
  5507   Wed Sep 21 23:05:16 2011 PaulUpdateSUSITMY 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
 ITMY_PITCH_actuator_response_FIT.pngITMY_YAW_actuator_response_FIT.pngSRM_PITCH_actuator_response_FIT.pngSRM_YAW_actuator_response_FIT.png 
  5506   Wed Sep 21 21:13:35 2011 ranaUpdateIOOAM modulation miseryHow 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 SureshUpdateIOOPSL 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 KeikoUpdateIOOAM modulation miseryThe signal
offset due to the AM modulation is estimated
by a simulation for PRCL for
 AM0.pngAMratio1.pngAMratio50.png 
  5503   Wed Sep 21 17:42:35 2011 ranaUpdateIOOAM modulation miseryI'd like to see some    
  5502   Wed Sep 21 16:44:18 2011 KeikoUpdateIOOAM modulation misteryAM
modulation depths are found to be 50 times smaller
 P9210138.JPGP92101381.jpg 
  5501   Wed Sep 21 16:31:28 2011 PaulUpdateSUSITMY and SRM actuator response functions I divided the open loop transfer
functions by the filter response and the
sensor responses (previously measured calibration
 ITMY_PITCH_actuator_response.pngITMY_YAW_actuator_response.pngSRM_PITCH_actuator_response.pngSRM_YAW_actuator_response.png 
  5500   Wed Sep 21 16:22:14 2011 ranaUpdateSUSSummary screenThe SUS SUMMARY screen is now fully   
  5499   Wed Sep 21 14:44:25 2011 PaulUpdateSUSITMY and SRM open loop transfer functions 
 Here are the open loop transfer
functions for ITMY and SRM. The various settings
 ITMY_SRM_oplev_OLTFs.png 
  5498   Wed Sep 21 14:28:25 2011 KojiSummaryLSCThe LSC code/screen modification for LSC LOCKINsThe
LSC code has been modified
-
The code was modified, compiled, and installed.
  
  5497   Wed Sep 21 11:35:07 2011 steveUpdateVACRGA scanRGA scan with maglev pumping speed at day
14 of the pump down.
The larger inserted box contains
 rgascanpd71m14d.jpg 
  5496   Wed Sep 21 09:10:15 2011 PaulUpdateSUSITMY and SRM oplev calibrations - measured and estimated

    

       
            
  
  5495   Wed Sep 21 02:49:39 2011 KeikoSummaryLSCLSC matricesI created 3 kinds of LSC matrices, PRMI condition
with carrier resonant in PRC, PRMI condition
  
  5494   Wed Sep 21 00:37:01 2011 ranaUpdateSUSITMY and SRM oplev calibrations - measured and estimatedI 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 ranaUpdateSUSSUS diag stuff... just so I remember what I'm doingETMX 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 KojiSummaryLSCPlan to update the LSC code for multiple lock-insDRMI team needs to use at least three lockins
on LSC

    Increase the number
  
  5491   Tue Sep 20 23:01:37 2011 KeikoUpdateIOOAM modulation misteryKeiko, Suresh
AM modulations are still there ... the
  
  5490   Tue Sep 20 21:13:39 2011 SureshUpdateIOOMC aligned and PSL beam into MC readjustedThis 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 AnamariaConfigurationLSCNew AP Table DrawingAs promised, I have made a final AP table
drawing, including the MC camera relocation
changes by Kiwamu. I have posted it in the
 APtableSep20th.pdf 
  5488   Tue Sep 20 19:00:49 2011 PaulUpdateSUSITMY 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 PaulUpdateSUSITMY and SRM oplev calibrations - measured and estimatedThe measured calibration factors for the
oplevs are as follows:
 
SRM pitch: 666urad
  
  5486   Tue Sep 20 17:45:30 2011 kiwamuUpdateCDSdaqd is restarting by hisself ?[Jenne / Kiwamu]
 Fb
was sick. Dataviewer and Fourier Tools didn't
  
  5485   Tue Sep 20 16:45:09 2011 JenneUpdateSUSSUS diag stuff... just so I remember what I'm doingHas the Q been checked?  Still
in progress...
  
  5484   Tue Sep 20 16:38:25 2011 KeikoUpdateIOOSmall modulation depthResonator
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 KeikoUpdateIOOSmall modulation depth Modulation
resonator box is removed and the modulation
  
  5482   Tue Sep 20 15:54:42 2011 kiwamuUpdateCamerasMC refl camera is available[Suresh / Kiwamu]
 The
MC REFL camera is now available. The camera
  
  5481   Tue Sep 20 15:39:57 2011 KojiUpdateSUSfree swinging test in vacuum conditionCan'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 JenneUpdateSUSfree swinging test in vacuum conditionThis is using data for the SRM from:  20
Sept 2011 03:20:00 PDT = 1000549215
You can see that there are still
 SRM.png 
  5479   Tue Sep 20 14:53:13 2011 JenneUpdateSUSJenne's Scripts started


   
        
            
  
  5478   Tue Sep 20 13:57:44 2011 kiwamuUpdateIOOincident beam to MC alignedSince 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 JenneUpdateSUSJenne's Scripts started

    

       
            
  
  5476   Tue Sep 20 04:12:26 2011 JenneUpdateSUSJenne's Scripts started

    

       
            
  
  5475   Tue Sep 20 03:12:14 2011 AnamariaUpdateSUSJenne's Scripts startedI 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 KeikoUpdateLSClocking activity tonight Keiko,
Anamaria, Koji
We
  
  5473   Tue Sep 20 02:21:10 2011 KojiUpdateLSCLSC MEDM screen cleaning upI 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 KeikoUpdateIOOAM modulation mistery Keiko, Anamaria
We started to investigate the AM
modulation mistery again. Checking just after
  
  5471   Mon Sep 19 22:47:44 2011 JenneUpdateSUSSUS 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 KatrinUpdateGreen LockingBroadband photodiode characterizationAnother Hamasutu S3399 photodiode was tested
with the electronic circuit as described
in LIGO-D-1002969-v.
 current_noise_S3399.pdfidet_S3399.pdfS3399_response.pdfcurrent_noise_S3399_v2.pdfidet_S3399_v2.pdf 
  5468   Mon Sep 19 20:56:36 2011 PaulSummarySUSRemaining SRM and ITMY OSEMs calibrations 
I've now taken data for the pitch
and yaw calibrations for the OSEMs of SRM
 SRM_PITCH_calib_curve.pngSRM_YAW_calib_curve.pngITMY_PITCH_calib_curve.pngITMY_YAW_calib_curve.png 
  5467   Mon Sep 19 18:05:27 2011 ranaUpdateSUSSummary screen


   
        
            
 sussum.png 
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