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IDup Date Author Type Category Subject Text Attachments
  4787   Mon Jun 6 16:44:34 2011 KojiUpdateElectronicsPOY11 testedThe full characterization of POY11 is found
in the PDF.
Resonance at 11.03MHz
 POY11_test.pdf 
  4788   Mon Jun 6 17:22:09 2011 valeraConfigurationLSCClipping in the X arm 1064 um trans pathI
changed optics in the ETMX transmon path
to remove clipping (which made a false QPD
 XarmTransMon.pdf 
  4789   Mon Jun 6 17:28:31 2011 steveUpdateComputersstill, no PEM channels

    

       
            
 P1070846.JPG 
  4790   Mon Jun 6 18:29:01 2011 Jamie, JoeUpdateCDSCOMPLETE FRONT-END REBUILD (WITH PROBLEMS (fixed))Today Joe and I undertook a FULL rebuild
of all front end systems with the head of
the 2.1 branch of the RCG.  Here is
  
  4791   Mon Jun 6 22:41:22 2011 ranaUpdateSUSSwitching problem in SUS modelsSome
weeks ago, Joe, Jamie, and I reworked the
ETMY controls.
 a.pdf 
  4792   Mon Jun 6 23:56:16 2011 rana, valeraConfigurationSUSETMX/ETMY OSEM whitening We measured the OSEM PD whitening
transfer function of the ETMX OSEM UL whitening
stage (
  
  4793   Tue Jun 7 11:39:27 2011 JamieUpdateSUSNo binary output module in ETMY
    

       
            
  
  4794   Tue Jun 7 16:11:09 2011 steveUpdateCamerasITM camera lenses changedComputar  75-12.5 zooms were installed
for closer look at the resonant spots. 
Their alignment and focus needs more loving
 P1070865.JPGP1070860.JPG 
  4795   Wed Jun 8 16:41:48 2011 valeraUpdateASSX and Y arm dither alignment status   BeamPositionIndicators.png 
  4796   Wed Jun 8 22:48:09 2011 ranaUpdateCamerasITM camera lenses changedI focused these lenses so that we could
get a clean image of the mirrors and the
OSEMs.
  
  4797   Wed Jun 8 23:17:25 2011 kiwamuUpdateLSCDRMI output matrix diagonalizationApproximately
two weeks ago I diagonalized the LSC output
matrix for the DRMI locking.
 Screen_shot_2011-06-08_at_23.21.28.png 
  4798   Thu Jun 9 10:38:30 2011 steveUpdatePSLPMC needs helpThe PMC is losing power.  pmcnothp.jpg 
  4799   Thu Jun 9 12:21:07 2011 kiwamuUpdatePSLRe : PMC needs helpNulling
the slow actuation offset fixed the issue.
 Untitled.png 
  4800   Thu Jun 9 16:18:03 2011 josephbUpdateCDSSecond trends only go back 12 daysWhile
answering a quick question by Kiwamu, I noticed
we only had second trends going back to 99050000
  
  4801   Thu Jun 9 18:25:22 2011 kiwamuHowToCDSlook back a channel which doesn' exist any moreFor
some purposes I looked back the data of some
channels which don't exist any more.
  
  4802   Thu Jun 9 20:10:38 2011 kiwamuUpdateSUSETMY whitening filter : all offI checked
the state of the whitening filters for the
 ETMY_WF2.png 
  4803   Fri Jun 10 12:02:10 2011 ranaUpdateCDSSecond trends only go back 12 days


   
        
            
  
  4804   Fri Jun 10 12:04:57 2011 JenneUpdateRF SystemBad RF connections!!I am in the process of calibrating AS55's
shot noise, and I noticed that the AS55 PD
input to the demod board was only finger-tight. 
  
  4805   Fri Jun 10 14:50:37 2011 KojiUpdateLSCNew LSC code installed[Koji Jamie]
The new c1lsc code has been installed.
The LSC screens have also been updated (except
  
  4806   Fri Jun 10 18:49:40 2011 kiwamuUpdateIOOIntensity Noise after the MCLast
night the relative intensity noise (RIN)
of the beam after MC was measured.
 RIN_afterMC.png 
  4807   Fri Jun 10 20:23:56 2011 Larisa ThorneUpdateElectronicsSeismometer Box Update/graphs (continuation of this)
 
The noise graphs relating total noise
 SeisNoiseGraphs.jpg 
  4808   Mon Jun 13 12:34:21 2011 Jamie, KojiUpdateLSCUpdated LSC model installedAfter a couple of hickups, I was able to
compile and install Koji's rework of the
LSC model.
  
  4809   Mon Jun 13 15:33:55 2011 Jamie, JoeUpdateCDSDolphin fiber between 1Y3 and 1X4 appears to be deadThe fiber that connects the Dolphin card
in the c1lsc machine (in the 1Y3 rack) to
the Dolphin switch in the 1X4 rack appears
  
  4810   Mon Jun 13 16:27:10 2011 JenneUpdateElectronicsSeismometer Box Update/graphs


   
        
            
 NewSeisBoxNoise.png 
  4811   Mon Jun 13 18:40:08 2011 Jamie, JoeUpdateCDSSnags in the repair of LSC CDSWe've run into a problem with our attempts
to get the LCS control back up and running.
As reported previously, the Dolphin
  
  4812   Mon Jun 13 19:26:42 2011 Jamie, JoeConfigurationCDSSUS binary IO chassis 2 and 3 moved from 1X5 to 1X4While preping 1X4 for installation of c1lsc,
we removed some old VME crates that were
no longer in use.  This freed up lots
  
  4813   Tue Jun 14 03:15:29 2011 KojiHowToComputer Scripts / ProgramsKissel Button GeneratorI have made a python script to generate
the button designed by Jeff Kissel for his
ISI screen.
 kissel_button.png 
  4814   Tue Jun 14 09:24:36 2011 steveConfigurationPhotosSUS binary IO chassis 2 and 3 moved from 1X5 to 1X4

    

       
            
 P1070891.JPGP1070893.JPG 
  4815   Tue Jun 14 09:25:17 2011 JamieUpdateCDSDolphin fiber tested with c1sus, still badThe bad Dolphin was still bad when tested
with a connection between c1sus and the Dolphin
swtich.
  
  4816   Tue Jun 14 12:23:44 2011 Jamie, JoeUpdateCDSWE ARE ALL GREEN! LSC back up and running in new configuration.After moving the c1lsc computer to 1X4,
then connecting c1lsc to it's IO chassis
in 1Y3 by a fiber PCIe extension cable, everything
  
  4817   Tue Jun 14 16:38:31 2011 JamieUpdatePSLTweaked input pointing to PMCThe PMC trans power was a little low (0.77V
or so).  I tweaked up the input pointing
and now we're getting about 0.875V transmitted.
  
  4818   Tue Jun 14 18:12:34 2011 Jamie, KiwamuUpdateLSCLSC seems to be fully recoveredWe are now locking the arms reliably, with
reasonable transmitted power.  We zeroed
the LSC offsets with script, since they were
  
  4819   Wed Jun 15 00:49:34 2011 SureshUpdateIOOWFS2 has been fixed. 
The WFS2 sensor head had a damaged
Quadrant PIN diode (YAG-444-4A).  This
 WFS_QE_measurement.pngSensorsBrochure-p12.pdfP6150121.JPGP6150124.JPG 
  4820   Wed Jun 15 00:50:11 2011 KojiHowToComputer Scripts / ProgramsKissel Button GeneratorNow the Kissel-button generator takes the
command line arguments and options.
The script is fully documented by
  
  4821   Wed Jun 15 01:30:38 2011 JamieSummaryLSCSchnupp asymmetry measurementMeasurement of Schnupp asymmetry
This
was done by measuring the relative phase
between the sidebands reflected from the
 schnupp.pngarm_phase.pyplot.pyschnupp_ETMX.pikschnupp_ETMY.pik 
  4822   Wed Jun 15 02:20:00 2011 JenneUpdateLockingMICH noise budget?I would like to announce my confusion with  MICH_noise_budget_measurements_15June2011.jpg 
  4823   Wed Jun 15 12:16:37 2011 JamieUpdateLockingMICH noise budget?

    
        
  
  4824   Wed Jun 15 15:18:01 2011 kiwamuUpdateGeneralWednesday cleaning[Jenne / Kiwamu]
We spent approximately an hour for
the weekly Wednesday cleaning.
  
  4825   Wed Jun 15 16:37:56 2011 JenneUpdatePEMPEM AA Board has been diagnosed and fixed[Jenne, Steve]
After talking with Steve, I had a
look at the PEM's AA board, to see what the
 1X7_AAboard_connector_fix.pdf 
  4826   Thu Jun 16 00:39:08 2011 KojiUpdatePEMPEM AA Board has been diagnosed and fixedAs
seen in the photo, the board has a strange
bulge 
  
  4827   Thu Jun 16 00:43:36 2011 KojiUpdateSUSVertex SUS Binary Output Boxes were turned off / need investigation- I was investigating the SUS whitening
issue.
- I could not find any suspension
  
  4828   Thu Jun 16 08:45:14 2011 steveUpdateSUSVertex SUS Binary Output Boxes removed

    

       
            
 P1070894.JPG 
  4829   Thu Jun 16 23:19:09 2011 KojiUpdateSUSVertex SUS Binary Output Boxes removed[Jamie, Koji]
- We found the reason why some
of the LEDs had no light. It was because
  
  4830   Fri Jun 17 00:17:26 2011 ranaConfigurationElectronics2 RFPDs sent to LLOKoji and I found 2 RFPD boxes to
send to LLO. We've put them onto Steve's
desk to be overnighted to Valera.
 P1070895.JPG 
  4831   Fri Jun 17 08:03:48 2011 steveUpdateSUSITMY sus damping restoredITMY sus damping restored.
 
  
  4832   Fri Jun 17 16:05:07 2011 kiwamuUpdateABSLLightWave out of MOPA box[Suresh / Kiwamu]
 We did the following things
:
 DSC_3139_small.png 
  4833   Fri Jun 17 17:02:15 2011 JamieUpdateSUSETMX/ETMY binary output modules (re)installed, not yet testedI have installed a new binary output module
in ETMY, where there was none previously. 
It is installed, powered (with working LEDs),
  
  4834   Fri Jun 17 23:20:05 2011 KojiUpdateLSCSome updates of the LSC screenSome updates of the LSC screen
- Signal amplitude monitor for the
PD signals (--> glows red for more than
 screen.png 
  4835   Mon Jun 20 00:59:02 2011 kiwamuSummaryGeneralWeekly reportThis
is a summary for the week ending June 19th.
Feel
  
  4836   Mon Jun 20 09:04:13 2011 steveUpdateSUSETMX damping restoredETMX sus damping restored   
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