40m QIL Cryo_Lab CTN SUS_Lab TCS_Lab OMC_Lab CRIME_Lab FEA ENG_Labs OptContFac Mariner WBEEShop
  40m Log, Page 324 of 327  Not logged in ELOG logo
ID Date Author Type Category Subjectdown Text Attachments
  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. 
  
  8011   Wed Feb 6 15:11:21 2013 JenneUpdateElectronics"Temporary" power supply situation[Jenne, Yuta, Rana, Steve, Manasa]
We have taken stock of the lab
"temporary" power supply situation,
  
  1015   Wed Oct 1 12:05:58 2008 AlbertoConfigurationComputers"StochMon" added to the Alarm HandlerJohn, Alberto,

we added the four channels of the RF Amplitude
  
  1016   Wed Oct 1 12:09:25 2008 AlbertoConfigurationComputers"StochMon" added to the Alarm Handler[quote]John, Alberto,

we added the four channels of the RF Amplitude
  
  8202   Thu Feb 28 14:51:43 2013 JenneUpdatePEM"Rock Monster" causing low frequency noiseManasa and I have been wondering why the
low frequency seismic noise has been different
in the last few days/weeks.  I went
 RockMonsterOn_ForFewMinutes.png 
  412   Thu Apr 3 18:46:04 2008 AndreyConfigurationComputers"Network switch board" and "c1pem1 crate" were touched
While working with the weather station, I
did two things that potentially (with a very
 Computer_Rack.JPG 
  5779   Tue Nov 1 19:26:38 2011 ZachUpdateSUS"Dr. SUS" progressEDIT: Ran Jamie's NDS2 reset method and
it's still not serving up MC data.
  
  5781   Wed Nov 2 01:53:08 2011 ZachUpdateSUS"Dr. SUS" progressNow that NDS2
is working, I was able to run all parts
of 
  
  5784   Wed Nov 2 11:29:04 2011 not ZachUpdateSUS"Dr. SUS" progress

    

       
            
  
  8370   Thu Mar 28 23:06:48 2013 AnnalisaUpdateAuxiliary locking"Alberto" NPRO laser again on PSL table "Alberto"NPRO laser has
been moved again on PSL table in order to
make a measurement of the beat note varying
  
  4765   Wed May 25 19:19:11 2011 JamieConfigurationCDS!!!CHECK IN YOUR MODELS!!!!!!CHECK
IN MODEL CHANGES!!!
Today
I found three models that were modified,
  
  4668   Mon May 9 16:58:23 2011 JamieBureaucracyCDS!!!!REMEMBER TO COMMIT YOUR MODIFICATIONS!!!!Whenever you modify any of the front-end
code in /opt/rtds/caltech/c1/userapps, such
as models, scripts or medm screens, REMEMBER
  
  4669   Mon May 9 17:21:13 2011 JamieBureaucracyCDS!!!!REMEMBER TO COMMIT YOUR MODIFICATIONS!!!!Also, remember to update the svn working
copy before you begin doing any work, to
make sure you're working on the most recent
  
  1363   Fri Mar 6 01:04:49 2009 Kiwamu IZUMIConfigurationIOO!! lock-in amp disconnected !!The power supply of a lock-in amp, which
is on the Y-arm side of PSL clean room, was
pulled out by my mistake.
  
  12144   Wed Jun 1 15:01:56 2016 SteveUpdateSUS wire standoffs updateThere are some issues with 5 mm sapphire
prism Atm5. It will cause  interference
between one of the prisms and the Side OSEM.
 06011603.PDF06011602.PDFsapphire_stand_off_v2.pdfside_OSEM_ETMY.jpg5p2wsf.png 
  12146   Thu Jun 2 16:35:44 2016 KojiUpdateSUS wire standoffs updateGap of the prism from the mirror

Sag: s = R(1-Cos[ArcSin[d/2/R]])

- Mirror curvature sag for 2mm
 sapphire_stand_off_v3.pdfarrangement-v3.pdf 
  12454   Tue Aug 30 15:44:28 2016 SteveUpdateSUS wire standoffs update100
Sapphire prisms ordered. Delivery date
9-30-2016
  
  12550   Tue Oct 11 10:38:51 2016 SteveUpdateSUS wire standoffs update100 Sapphire prizms arrived.

 
 A028_-_20161010_170319.jpgA027_-_20161010_170202.jpg 
  12760   Fri Jan 27 14:50:04 2017 SteveUpdateSUS wire standoffs updateThe 3 pieces of Sapphire
v-groove test cuts are back. They look
good. The suspension wire 0.0017" (
  
  12761   Fri Jan 27 15:36:17 2017 KojiUpdateSUS wire standoffs updateVery nice! I got excited.


Don't you ask Calum
and co to check the groove size with their
  
  12846   Thu Feb 23 09:32:20 2017 KojiUpdateSUS wire standoffs updateKyle took high quality images of 
the three sapphire prisms using the microscope
@Downs. He analyzed the images to see the
 Sapphire_prism_1(A015).pngSapphire_prism_2(A016).pngSapphire_prism_3(A014).png 
  13030   Thu Jun 1 16:21:55 2017 SteveUpdateSUS wire standoffs updateRuby
wire standoff received from China. I
looked one of them with our small USB camera. 
  
  12346   Thu Jul 28 08:42:36 2016 SteveUpdateSUS wire clampThe clamp is in the machine for milling
off the grooves. It's condition is normal.
The edges needs some 800 sand paper so it
 e12342.jpg 
  10076   Thu Jun 19 17:28:19 2014 SteveUpdatePSL window device is ready for testThe window is at the north west corner
of the  PSL enclosure.
The 1 mm thick BK7 window is AR coated
 softW2.jpgsoftW2b.jpg 
  9443   Thu Dec 5 11:06:43 2013 SteveUpdateCameras viewport video ccd cameras are all covered

    

       
            
 PRMcamera.jpgPRMcameraCover.jpgFaradayCameraCover.jpg 
  1459   Wed Apr 8 09:36:20 2009 steveConfigurationVAC valve condition changed to BG to calibrate the RGAVacuum
normal valve condition was changed to accommodate
SRS-RGA calibration.
  
  14028   Thu Jun 28 08:09:51 2018 SteveUpdateCDS vacuum pneumatic N2 pressureThe fardest I can go back on channel C1:
Vac_N2pres is  320 days

C1:Vac-CC1_Hornet Presuure gauge
 320d_N2.png 
ELOG V3.1.3-