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ID Date Author Typeup Category Subject Text Attachments
  5476   Tue Sep 20 04:12:26 2011 JenneUpdateSUSJenne's Scripts started

    

       
            
  
  5477   Tue Sep 20 09:44:44 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.
  
  5479   Tue Sep 20 14:53:13 2011 JenneUpdateSUSJenne's Scripts started


   
        
            
  
  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 
  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 :
  
  5482   Tue Sep 20 15:54:42 2011 kiwamuUpdateCamerasMC refl camera is available[Suresh / Kiwamu]
 The
MC REFL camera is now available. The camera
  
  5483   Tue Sep 20 16:31:24 2011 KeikoUpdateIOOSmall modulation depth Modulation
resonator box is removed and the modulation
  
  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
  
  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...
  
  5486   Tue Sep 20 17:45:30 2011 kiwamuUpdateCDSdaqd is restarting by hisself ?[Jenne / Kiwamu]
 Fb
was sick. Dataviewer and Fourier Tools didn't
  
  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
  
  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,
  
  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
  
  5491   Tue Sep 20 23:01:37 2011 KeikoUpdateIOOAM modulation misteryKeiko, Suresh
AM modulations are still there ... the
  
  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
  
  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
  
  5496   Wed Sep 21 09:10:15 2011 PaulUpdateSUSITMY and SRM oplev calibrations - measured and estimated

    

       
            
  
  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 
  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 
  5500   Wed Sep 21 16:22:14 2011 ranaUpdateSUSSummary screenThe SUS SUMMARY screen is now fully   
  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 
  5502   Wed Sep 21 16:44:18 2011 KeikoUpdateIOOAM modulation misteryAM
modulation depths are found to be 50 times smaller
 P9210138.JPGP92101381.jpg 
  5503   Wed Sep 21 17:42:35 2011 ranaUpdateIOOAM modulation miseryI'd like to see some    
  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 
  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.
  
  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
  
  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 
  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
  
  5509   Wed Sep 21 23:44:45 2011 PaulUpdateSUSRe:ITMY and SRM actuator response functions - fitting results

    

       
            
  
  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 
  5511   Thu Sep 22 01:05:28 2011 KatrinUpdateGreen LockingNew modulation frequency (Y arm)[Kiwamu / Katrin]
 
On Wednesday, the green light was
  
  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 
  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,
  
  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 
  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.
  
  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?
  
  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 
  5518   Thu Sep 22 13:56:56 2011 kiwamuUpdateASCC1ASS : status updateThe output
matrix in the C1ASS servo were coarsely readjusted
  
  5519   Thu Sep 22 15:53:37 2011 MirkoUpdateLSCRF modulation depth measurement againToyed around with the modematching some
more today.
The outermost glass elements of the
 DSC_3478.JPGDSC_3481.JPGDSC_3480.JPG 
  5520   Thu Sep 22 17:29:42 2011 KeikoUpdateIOOAM modulation misteryAM
modulation will add offset on SRCL signal
as well as PRCL signal. About 2% of the signal
 AMmod0MICH.pngAMmod1e-1MICH.pngAMmod0SRCL.pngAMmod3e-3SRCL.pngAMmod3e-3SRCL-AS55I.png 
  5521   Thu Sep 22 17:48:20 2011 kiwamuUpdateSUSbad oplev on ETMYIt
turned out the oplev controls on ETMY were
just bad.
 OLETMY.png 
  5523   Thu Sep 22 20:12:54 2011 kiwamuUpdateSUSETMY oplev whitening engagedThe
whitening filters for the ETMY oplevs are
back.  
 OLETMY_WF.png 
  5524   Thu Sep 22 22:53:06 2011 SureshUpdateComputer Scripts / ProgramsActivated DAQ channels in C1IOO model and restared fbTo look at the WFS servo signals I was
using test points in the servo filter banks. 
This is not recommended for regular operation
  
  5525   Thu Sep 22 22:55:01 2011 AnamariaUpdateLSCPOX channel = POY PD connected + Bad Rack Keiko, Anamaria
We decided we needed a DC channel
to sense the gain in the PRC, so we set to
 RFPDpowerRack2.pdf 
  5526   Thu Sep 22 23:02:15 2011 SureshUpdateIOOno light on WFS2. Realigned input onto both WFSRana noticed that the sum on WFS2 was about
10 times smaller than that on WFS1. Though
the beam appeared centered on the DC QPD
  
  5527   Thu Sep 22 23:10:07 2011 SureshUpdateIOOproposed modifications to the C1IOO modelRana advised that we put in a lockin-output
matrix which will allow us to excite any
combination of MC mirrors so that we can
  
  5529   Fri Sep 23 16:25:01 2011 steveUpdateVACvac rack UPS battery replacedAPC Smart -UPS 2200   model: SUA2200RM2U
  batteries were replaced by compatible
RBC43, 8x  12V5A
 P1080252.JPGP1080254.JPG 
  5530   Fri Sep 23 16:56:07 2011 MirkoUpdateLSCDesired MC modulation frequency measurement, tuning of modulation frequency[ Mirko, Koji, Suresh ]
Looked into the modulation frequency
that should pass the input MC. With a locked
  
  5531   Fri Sep 23 17:31:14 2011 KatrinUpdateGreen LockingStray light reduction (Y)I inserted several beam blocks and iris
on the Y arm Green table. There was/is lots
of stray light because a lot of the mirrors
  
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