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ID Date Author Type Category Subjectdown Text Attachments
  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 
  14029   Thu Jun 28 10:28:27 2018 ranaUpdateCDS vacuum pneumatic N2 pressurewe disabled logging the N2 Pressure to
a text file, since it was filling up disk
space. Now it just sends an email to our
  
  11695   Fri Oct 16 18:27:52 2015 SteveUpdateVAC vacuum normal conditionVacuum normal configuration with VM1-closed,
VM2-open valve positions. Power load normal
24V 0.2A
 oct16Fpm2015.png 
  9514   Thu Jan 2 10:50:24 2014 SteveUpdateVAC vacuum monitor is still blank The date is correct on this monitor.
Last stored RGA scan data Dec 20,
2013
 Help.pngvacation.png20131220lastRGAscan.png 
  9515   Thu Jan 2 13:35:06 2014 KojiUpdateVAC vacuum monitor is still blankWe probably need to restart the machine,
but I didn't want to touch c1vac1 and c1vac2. 
  
  9581   Tue Jan 28 11:13:50 2014 KojiUpdateVAC vacuum monitor is still blank[Steve Koji]
We
pushed the reset button of c1vac1 and c1vac2
  
  12209   Tue Jun 21 14:12:10 2016 SteveUpdatePEM vacuum envelope wipedI wiped down the cranes with wet towel
and Mario our janitor did the chamber tops
with the tubes.
 60dPEM.png 
  9582   Tue Jan 28 16:26:40 2014 SteveUpdateVAC vacuum computers are back without safety

    

       
            
 c1vac1_vac2areback.png 
  9599   Wed Feb 5 08:14:59 2014 SteveUpdateVAC vacuum computers are back without safety

    

       
            
  
  8356   Tue Mar 26 16:36:24 2013 SteveUpdate40m Upgrading table leveling mounts go here

    

       
            
 optabSTAND.PDFswivvelMountEE.jpg 
  8372   Fri Mar 29 16:30:27 2013 SteveUpdate40m Upgrading table leveling mounts go here

    

       
            
  
  9257   Tue Oct 22 10:12:33 2013 SteveUpdatePEM south arm AC intake duct checked  The 4th week of no wet mopping
of the floor  and no wet wiping 
the vacuum envelope.
 PEM0.5micron60d.pngsouthArmIntakeNorth.jpgSouthArmMidIntakeWipe.jpg 
  2701   Tue Mar 23 10:11:13 2010 steveUpdatePEM small air cond unit failed yesterdayOld control room air condition failed yesterday
around noon. It was blowing 80-85F hot air
for about 2-3 hours at racks 1Y4-7 and the
 20datm.jpg 
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