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ID Date Author Type Category Subjectdown Text Attachments
  7515   Wed Oct 10 02:15:14 2012 ranaUpdateLSC11 MHz reconnected to EOM Absolutely hokey. What are
our requirements for this RFPD? What
are the power levels and SNR that we want
  
  2653   Wed Mar 3 18:32:25 2010 AlbertoUpdate40m Upgrading11 MHz RFPD elctronics** Please
add LISO file w/ component values.
 
 rfpd11_v2_TF.pdfrfpd11_v2_Noise.pdf 
  2655   Thu Mar 4 08:43:35 2010 AlbertoUpdate40m Upgrading11 MHz RFPD elctronics


   
        
            
 rfpd11_v2.fil 
  12949   Fri Apr 21 13:59:47 2017 Eric GustafsonSummary 1064 nm Semiconductor Laser Fiber Distribution System and Mirror Tomography1064 nm Semiconductor Laser Fiber
Distribution System and Mirror Tomography

Below threshold these Semiconductor
  
  9253   Fri Oct 18 08:12:08 2013 SteveUpdatePEM1000 days trends   trend1000days.png 
  1640   Mon Jun 1 19:19:26 2009 ranaUpdatePSL1000 days of hour-trend   u.png 
  9482   Tue Dec 17 20:59:23 2013 JenneUpdateLSC1/sqrt(TR) signals added to framesI noticed that we have not been saving
the 1/sqrt(TRX) and 1/sqrt(TRY) data, so
I modified the c1lsc model and added them
  
  3171   Wed Jul 7 19:41:27 2010 JenneUpdateSUS1.5 more ECD sets suspended for tip tilts[Jenne, Kyung Ha]
We made some good progress on suspending
the Tip Tilt ECDs today.  We finished
 ECDbackplane_blackdump_small.jpgECDbackplane_foil_small.jpg 
  8008   Wed Feb 6 14:51:25 2013 JenneUpdateElectronics1 power supply replaced!

    

       
            
  
  6496   Fri Apr 6 15:06:05 2012 DenUpdateIOO1 Hz resonanceI think we can try to damp 1 Hz resonance
more. In September it was not seen because
of the digital noise. After we've figured
 psd_mcl.jpgmcl.jpg 
  7234   Mon Aug 20 13:02:57 2012 DenUpdateAdaptive Filtering1 Hz resonanceStatic filter was adjusted to filter 1
Hz resonance in MCL and it could do it. Stack
is not great in this experiment due to the
 1hz.png 
  11986   Thu Feb 11 14:28:50 2016 SteveUpdateTreasure091415 declared  
Beautifully Done

  
 091415declared.jpgYou_were_right!.jpgP1080312.JPG 
  9042   Tue Aug 20 16:23:41 2013 ranaSummaryGeneral/home/cds nearly full/home/cds is >98% full - below are some
of the usage numbers:
  
  9045   Wed Aug 21 17:42:03 2013 ranaSummaryGeneral/home/cds nearly fullOne of the reasons that our disk is getting
full is due to the scripts_archive directory.
A backup script runs on op340m and makes
  
  9147   Fri Sep 20 20:14:52 2013 ranaSummaryGeneral/home/cds nearly full

    

       
            
  
  9535   Tue Jan 7 23:50:27 2014 jamieUpdateCDS/frames space cleared up, daqd stabilizedThe wiper script is done and deleted a
whole bunch of stuff to clean up some space:

controls@fb ~ 0$ /opt/rtcds/caltech/c1/target/fb/wiper.pl
  
  9949   Tue May 13 17:45:21 2014 ranaUpdateCDS/frames space cleared up, daqd stabilized 
 Late last night we were getting
some problems with DAQD again. Turned out
  
  9955   Thu May 15 01:42:07 2014 ranaUpdateCDS/frames space cleared up, daqd stabilized Script seems to be working now:
nodus:~>df -h | grep
frames
  
  9531   Tue Jan 7 23:08:01 2014 jamieUpdateCDS/frames is full, causing daqd to die


   
        
            
  
  9533   Tue Jan 7 23:13:47 2014 jamieUpdateCDS/frames is full, causing daqd to die


   
        
            
  
  12796   Fri Feb 3 11:40:34 2017 ericqSummaryCDS/cvs/cds/caltech/chans back on svn1.6I was able to bring back svn 1.6 formatting
to /cvs/cds/caltech/chans by doing the following
on nodus:
  
  12797   Sat Feb 4 12:00:59 2017 ranaSummaryCDS/cvs/cds/caltech/chans back on svn1.6True - its an issue. Koji and I are updating
zita into Ubuntu16 LTS. If it looks like
its OK with various tools we'll swap
  
  12798   Sat Feb 4 12:20:39 2017 jamieSummaryCDS/cvs/cds/caltech/chans back on svn1.6


  
  12799   Sat Feb 4 12:29:20 2017 jamieSummaryCDS/cvs/cds/caltech/chans back on svn1.6No, not confused on that point. We just
will not be testing OS versions at the 40m
or running multiple OS's on our workstations.
  
  12800   Sat Feb 4 12:50:01 2017 jamieSummaryCDS/cvs/cds/caltech/chans back on svn1.6


  
  12914   Tue Mar 28 21:06:53 2017 ranaSummaryCDS/cvs/cds/caltech/chans back on svn1.6Debian doesn't like EPICS. Or our XY
plots of beam spots...Sad!

 Screenshot-Untitled_Window.png 
  1059   Mon Oct 20 15:02:00 2008 YoichiConfigurationComputers/cvs/cds restoredI moved missing files in /cvs/cds restored
by Alan and Stuart to the original locations.
I confirmed autoburt runs, and dtt, which
  
  1060   Mon Oct 20 16:18:00 2008 AlanConfigurationComputers/cvs/cds restored[quote]I moved missing files in /cvs/cds restored
by Alan and Stuart to the original locations.
I confirmed autoburt runs, and dtt, which
  
  13929   Thu Jun 7 20:21:15 2018 KojiUpdateComputer Scripts / Programs/cvs/cds Backup in dangerLocal
backup on chiara seems not
  
  13963   Thu Jun 14 15:21:58 2018 gautamUpdateComputer Scripts / Programs/cvs/cds Backup in dangerI think this is because /cvs/cds is getting
too big. lsblk reveals:

  
  1683   Wed Jun 17 01:09:47 2009 robUpdateComputers/cvs/cds 91% fullIn /cvs/cds/caltech
 
  
  583   Fri Jun 27 15:20:52 2008 robDAQLSC.ini file change
I removed C1:LSC-XARM_CTRL from the frames
and added C1:LSC-CARM_ERR
  
  6683   Fri May 25 16:58:54 2012 JamieConfigurationComputers.bashrc for workstationsI have setup a shared .bashrc for all the
workstations that is symlinked to the normal
location on all machines:
  
  732   Thu Jul 24 03:08:20 2008 robUpdateLocking+f2 DRMI+2ARMS
rob, john, yoichi
  
  10472   Mon Sep 8 15:50:47 2014 ericqUpdateComputer Scripts / Programs+15V PSL Sorensen replacedWe replaced the +15V sorensen at 1X1, and
brought the power supplies back up symmetrically,
and everything seems fine. I noted that a
  
  14928   Thu Oct 3 11:01:18 2019 ranaUpdateLSC(PR)FPMI lockingwonder if its possible to do variable finesse
locking

Gabriele mentioned that Virgo used
  
  3376   Fri Aug 6 15:50:29 2010 GopalUpdateOptic Stacks(Much Better Looking) Displacement-Displacment Transfer FunctionsI reran
the FDA in COMSOL on the MC1/MC3 Stack and
produced the following Displacement-Displacement
 MC1_MC3_XTrans.pngMC1_MC3_YTrans.pngMC1_MC3_ZTrans.png 
  3380   Fri Aug 6 19:46:59 2010 GopalUpdateOptic Stacks(Much Better Looking) Displacement-Displacment Transfer Functions


   
        
            
  
  4494   Wed Apr 6 19:36:32 2011 AidanSummaryGreen Locking(In)sanity check of Green PD - some inconsistenciesI moved the Hartmut Green PD to the Jenne
laser bench to try to determine if the response
at RF was reasonable or somehow very much
 PD_measurement.pngplot_PD_RF_ratios.pdf 
  4500   Thu Apr 7 16:09:17 2011 AidanSummaryGreen Locking(In)sanity check of Green PD - some inconsistenciesI think I had underestimated the responsivity
of the Silicon PD at 1064nm. The previous
value was based on a rough search online
  
  4501   Thu Apr 7 19:28:02 2011 KojiSummaryGreen Locking(In)sanity check of Green PD - some inconsistenciesResponsivity of SGD-444A


 SGD-444A.png 
  9854   Fri Apr 25 10:43:57 2014 KojiUpdateLSC(Fixed) Y end whitening boardI went to WB and found the last spare
module of D990399 revB. We need to thank
Frank for his foresight.
 D990399-B_40m.pdfP4245552.JPGP4245553.JPGP4245551.JPG 
  10785   Thu Dec 11 18:12:46 2014 ericqUpdateLSC(Fixed) Y end whitening board

    

       
            
  
  2065   Wed Oct 7 19:23:49 2009 JenneUpdateAdaptive Filtering(Final?) PEM cabling changes

    
        
  
  4631   Thu May 5 00:08:59 2011 JenneUpdateLSC(Almost) New Screens for RFPDsI modified C1LSC.mdl to use the CDSphase
blocks, which automatically calculate the
R and D phase rotation for us.  Now
  
  2745   Wed Mar 31 19:29:58 2010 HartmutUpdateElectronics(1cm-) Si PD transfer functions updateRecorded transfer functions for the 1cm
Si-PD as described on p. 2708
for different biases. I put the plots
  
  9289   Fri Oct 25 04:03:40 2013 MasayukiUpdateLSC'scope and spectrum analyser for REFL165As Jenne's Elog we want to see Spectrum
and time series of REFL 165 (our PRMI LSC
locking PD) to see if the signal is saturated
  
  9295   Fri Oct 25 21:36:51 2013 MasayukiUpdateLSC'scope and spectrum analyser for REFL165

    

       
            
  
  9304   Mon Oct 28 14:24:01 2013 MasayukiUpdateLSC'scope and spectrum analyser for REFL165 
 I connected the 'scope between
REFL165 output and demod board input. I split
  
  4642   Thu May 5 15:26:52 2011 Leo SingerConfigurationComputers'glue' installed on some control room computersI installed 'glue' on Rossa, Allegra, and
Rosalba.  This is a Python module that
includes a facility for LIGO_LW XML files. 
  
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