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ID Date Author Type Category Subject Text Attachments
  8667   Mon Jun 3 22:36:07 2013 ranaUpdateLSCALS-TRY_OUT needs anti-whitening After
working some more on the EY table, we are
 try.pdf 
  8666   Mon Jun 3 21:09:55 2013 ManasaUpdateGreen LockingX green beatnote through beatboxI connected the X green beat PD output
back to the beatbox, did the usual PSL alignment
for green and searched for the beat note
 IMG_0608.JPG 
  8665   Mon Jun 3 18:49:44 2013 GautamUpdateGeneralITMx Oplev Fixed  (Manasa)
The ITMx Oplev was misaligned. Switched
the ITMx Oplev back on and fixed the alignment.
  
  8664   Mon Jun 3 09:46:40 2013 SteveUpdateVACRGA scan at day 100 Vacuum normal condition at pumdown
day 100
 
 d100Mpd75.pngd100Mpd75p.pngbadguys.png 
  8663   Sat Jun 1 14:14:56 2013 JenneUpdateASCNew POP pathI have a lens solution for the new POP
QPD, plotted below.  To get the beam
size, I started with the waist at the ITM,
 POX_table_30May2013progress.pdfPOP_QPD_lensSolution.png 
  8662   Fri May 31 11:15:01 2013 AnnalisaUpdateendtable upgradeETMY - Mode Matching for green - new calculation Since the beam waist after the Faraday
had changed since the last time I measured
it (maybe alignment changed a bit), I made
  
  8661   Fri May 31 10:25:17 2013 steveUpdatesafetyfirst aid kits refilled

    

       
            
 refilledFAidK.jpg 
  8660   Thu May 30 20:45:53 2013 AnnalisaUpdateendtable upgradeETMY - oplev

    

       
            
  
  8659   Thu May 30 18:29:21 2013 ManasaUpdateGeneralALS medm screens editedRenaming of the c1gcv model earlier (elog
7011) had left white boxes in most of
  
  8658   Thu May 30 17:18:58 2013 JenneUpdateASCNew POP pathI have placed the G&H mirrors and the
Y1 as pictured in my proposed layout in elog
  
  8657   Thu May 30 11:33:26 2013 JamieConfigurationComputer Scripts / ProgramsASS medm/model changes need to be committed to SVNThere are a lot of changes to the ASS stuff
that have not been committed to the SVN:

controls@rossa:/opt/rtcds/userapps/release/isc/c1
  
  8656   Thu May 30 11:28:34 2013 JamieConfigurationCDSc1als model cleanupThe c1als model was pulling out some ADC0
connections that were no longer used for
anything:
  
  8655   Thu May 30 11:10:00 2013 SteveUpdateendtable upgradeETMY - oplev

    

       
            
 ETMYoplev.jpg 
  8654   Thu May 30 10:40:59 2013 JamieConfigurationCDSAttempt to cleanup c1ioo ADC connectionsI have attempted to reconcile all of the
ADC connections to c1ioo.  Upon close
inspection, it appears that there was a lot
  
  8653   Thu May 30 01:02:41 2013 ManasaUpdateGreen LockingFound it!X green beat note
found!
 IMG_0598.JPGIMG_0599.JPG 
  8652   Tue May 28 22:11:23 2013 AnnalisaUpdate40m upgradingETMY - Yarm shutter cable 
 For some strange reason the
Yarm shutter cable runs up to the POY table,
  
  8651   Tue May 28 19:35:17 2013 ManasaUpdateGreen LockingStill searching for the X green beat noteProcedure
1. Aligned X-arm to IR.
2. Aligned green to the X-arm.
  
  8650   Tue May 28 17:06:04 2013 KojiUpdateLSCPRMI sensing matrix: Got it!- We want to add POX11/POY11 in the collection.
They may indicates some abnormal asymmetry
between two arms (for PRMI).
  
  8649   Tue May 28 17:00:50 2013 JenneUpdateASCProposed POP path, to be installed this eveningI have mounted 2 2" G&H high reflective
mirrors, to be used in the new POP path. 
Manasa and Annalisa are doing green things
 CurrentPOPpath.pdfProposedPOPpath.pdf 
  8648   Tue May 28 14:52:56 2013 JenneUpdateLSCPRMI sensing matrix: Got it!Just so we have it, here is the re-analysis
with the correct plot and phases for the
May 21st data, taken near the violin mode:
 SensMat_21May2013_withIQ_andCorrectPhases.png 
  8647   Tue May 28 11:11:37 2013 ManasaUpdateIOOMC aligned[Jenne, Manasa]
Fixed crappy alignment of MC by moving
MC mirrors. MC REFL PD measured 0.5 after
 MC_0528.png 
  8646   Mon May 27 21:38:53 2013 AnnalisaUpdate40m upgradingETMY - Beam Dumps 
I put many razor dumps along the
IR/green path. The rejected beam from the
  
  8645   Sat May 25 02:03:48 2013 AnnalisaUpdate40m upgradingETMY - Mode Matching for green - new calculation Mode
matching calculation for green - Yarm
I
 ModeMatchingGreenNEW.jpgModeMatchingGreenZoomNEW.jpgXYpathNEW.jpgphoto1.JPGphoto2.JPG 
  8644   Fri May 24 22:18:33 2013 JenneUpdateLSCPRMI sensing matrix: Got it!Okay, I think I am finished with the sensing
matrix scripts!  
I had the syntax for atan2() wrong,
 SensMat_23May2013_withIQ_andCorrectPhases.png 
  8643   Fri May 24 14:44:34 2013 JenneUpdateGeneralRossa freezes all the timeI am getting tired of having to restart
Rossa all the time.  She freezes almost
once per day now.  Jamie has looked
  
  8642   Fri May 24 14:40:22 2013 JenneUpdateLSCPRMI sensing matrix: now what?

    

       
            
  
  8641   Fri May 24 14:01:59 2013 KojiUpdateLSCPRMI sensing matrix measured at 580.1HzIt's hard to believe but is AS55Q really
almost insensitive to MICH?
Well, anyway, now it is the time
  
  8640   Fri May 24 13:41:19 2013 JenneUpdateLSCPRMI sensing matrix measured at 580.1Hz"0 degrees" is 0 degrees of demod
phase.  I have now added the PD demod
phases to the plot:
 SensMat_23May2013_withIQ.png 
  8639   Fri May 24 12:50:25 2013 AnnalisaUpdate40m upgradingETMY - Mode Matching for green

    

       
            
  
  8638   Fri May 24 11:38:00 2013 KojiUpdate40m upgradingETMY - Mode Matching for greenI got confused. Is the mode calculation
in the cavity correct? 
Are you sure the wavelength in the
  
  8637   Fri May 24 02:12:50 2013 AnnalisaUpdate40m upgradingETMY - Mode Matching for green 
 Mode
Matching calculation for green beam - Yarm
 ModeMatchingGreen.jpgModeMatchingGreenZoom.jpgXYpath.jpg 
  8636   Thu May 23 22:13:12 2013 KojiUpdateLSCPRMI sensing matrix measured at 580.1HzCan you clarify the definition of the phase
"0deg" of your plot?
Is "I" the definition of
  
  8635   Thu May 23 21:45:51 2013 JenneUpdateLSCSensing matrix scripts now check for locklossA few more small mods to the sensing matrix
script.  Now the script saves the data
after each measurement, so that in case you
  
  8634   Thu May 23 20:58:49 2013 JenneUpdatePEMPRM, ITMX optics tripped, restored
M5.7
- 11km WNW of Greenville, California
Time2013-05-23
  
  8633   Thu May 23 20:39:50 2013 JenneUpdateLSCPRMI sensing matrix measured at 580.1HzI locked the PRMI and remeasured the sensing
matrix, this time at 580Hz.  The excellent
news here is that the matrix looks quite
 SensMat_23May2013.png 
  8632   Thu May 23 19:09:15 2013 JenneUpdateLSCSensing matrix scripts modified to include actuator calibrationAfter fixing up my calculations in my scripts,
I have calculated the final PRMI sensing
matrix (as measured very close to the violin
 SensMat_21May2013.png 
  8631   Thu May 23 17:51:39 2013 KojiSummaryLSCMy usual locking procedureFor purpose of the automation and my record,
I summarized my locking procedure as a chart.
 PRMI_locking_procedure.pdf 
  8630   Thu May 23 14:45:08 2013 JenneUpdateLSCSensing matrix scripts calculations make more sense nowI think I have most of the magnitude issues
figured out now. 
First of all, the lockin outputs
 SensMat_JenneMeas_23May2013.pngSensMat_KojiMeas_23May2013.png 
  8629   Thu May 23 13:14:34 2013 KojiSummaryLSCXarm beat note search continuesWe should consider to hook up the temperature
monitors of the NPROs to the ADCs.
  
  8628   Thu May 23 12:02:48 2013 SteveUpdateendtable upgradeETMY - oplev Temporary oplev in place. The spot
on the qpd is still big. My two lens solution
did not work.
 ETMYopl.jpg 
  8627   Thu May 23 10:48:42 2013 ManasaUpdateIOOMC autolocker and MCWFS enabledSome strong seismic noise (not related
to any earthquakes - watchdogs are all green)
had got the MC unlocked this morning.
  
  8626   Thu May 23 10:24:23 2013 JamieSummaryCDSc1scy model continues to run at the hairy edgec1scy, the controller model at  the Y END,
is still running very long, typically at
55/60 microseconds, or ~92% of it's cycle. 
  
  8625   Thu May 23 10:20:33 2013 JamieUpdateSUSTurn off zero padding in DAC outputs

    

       
            
  
  8624   Thu May 23 01:27:11 2013 ManasaSummaryLSCXarm beat note search continuesTowards finding the x-arm beat note:

The green would not lock to a maximum
  
  8623   Thu May 23 00:49:13 2013 JenneUpdateLSCLSC filters loaded

    

       
            
  
  8622   Thu May 23 00:16:32 2013 AnnalisaUpdate40m upgradingETMY - progress [Annalisa, Koji] 
 GREEN
 TransMonAndOplev.jpg 
  8621   Wed May 22 20:50:26 2013 JenneUpdateLSCSensing matrix scripts don't calculate correctlyI am trying to re-analyze the data that
Koji took last night.  
I think that my script is just pulling
  
  8620   Wed May 22 18:24:19 2013 JenneUpdateSUSViolin mode survey

    

       
            
  
  8619   Wed May 22 18:07:36 2013 JenneUpdateLSCKiwamu's sensing matrix measurement script revived 
 To avoid exciting at the PRM
violin mode frequency, I have changed all
  
  8618   Wed May 22 17:29:34 2013 JenneUpdateASCQPD for POP ASC testedI fiddled around with the QPD that I'll
use to replace Koji's temporary razor blade
yaw sensor for detecting POP beam angular
  
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