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ID Date Author Type Category Subject Text Attachments
  4855   Wed Jun 22 15:24:10 2011 kiwamuUpdateABSLgot a laser controller for LightWavePeter
King came over to the 40m with a laser controller
and gave it to us.
 DSC_3150.JPGDSC_3153.JPG 
  4854   Wed Jun 22 12:29:57 2011 IshwitaSummaryAdaptive FilteringWeekly summaryI started on the 16th with a very intense
lab tour & was fed with a large amount
of data (I can't guarantee that I remember
  
  4853   Wed Jun 22 12:24:44 2011 NicoleSummarySUSMidweek 2 Work SummaryI
have made my transfer function model
 P6220200.JPG 
  4852   Wed Jun 22 01:59:43 2011 SonaliUpdateGreen Lockingfibre-coupling of the IR beam  What
I did today.
1. Collimation of a beam.
 ETMY_june_21.jpgcollimation_700nm_21_june.JPG 
  4851   Tue Jun 21 23:29:41 2011 kiwamuUpdateLSCsensing matrix measurementI
am now measuring the sensing matrix in the
DRMI configuration.
  
  4850   Tue Jun 21 20:35:50 2011 kiwamuUpdateLSCa script to measure sensing matrixLast
night I was making a script which will measure
the sensing matrix using the realtime LOCKIN
 elog.png 
  4849   Tue Jun 21 19:54:33 2011 SureshUpdateGreen LockingLightWave NPRO power supply shifted to ETMY end tableThe Lightwave NPRO power supply which
is being shared between the AS table and
the ETMY table has been shifted back to the
  
  4848   Tue Jun 21 19:10:29 2011 SureshUpdateEnvironmentETMY end table[Suresh, Sonali]
There were small pieces of glass,
remnants
  
  4847   Tue Jun 21 16:11:13 2011 steveUpdateSAFETYsurf safety training40m surfs:  Nicole Ing, Iswita Saikia
and Sonali Mohapatra received 40m specific
safety training  today.
 P1070902.JPG 
  4846   Tue Jun 21 00:38:21 2011 SonaliUpdateGreen Lockingrepositioned "QPDY_PD"1.The aim is the laser frequency stabilisation
of PSL and AUX.
2.As a first step we want to couple
 ETMY_table_2011_June20.pngETMY_table_change1.jpg 
  4845   Mon Jun 20 18:36:49 2011 SureshUpdateLSCREFL55 PD update[Suresh, Koji]
   I used a matlab code
written by Koji to analyse the transimpedance
 REFL55_response.pdf 
  4844   Mon Jun 20 18:12:20 2011 NicoleUpdateSUSSmall Table Cleaned and Levelled    P6220198.JPGP6220199.JPG 
  4843   Mon Jun 20 17:58:00 2011 ranaUpdateCDSGateway program killedThere was a rogue, undocumented, gateway
process running on NODUS since ~4 PM. This
guy was broadcasting channels back into the
  
  4842   Mon Jun 20 16:44:02 2011 steveUpdateABSLI-P curve of LightWave M126-1064-700 
 Put the serial numbers into
the elog. So we can identify the laser and
  
  4841   Mon Jun 20 13:48:25 2011 KojiUpdateABSLI-P curve of LightWave M126-1064-700Hmm. Was the current within the operating
range? (i.e. Is it a 700mW laser or a 1W
one?)
  
  4840   Mon Jun 20 11:38:49 2011 kiwamuUpdateABSLI-P curve of LightWave M126-1064-700The
I-P curve of the LightWave NPRO (M126-1064-700),
which was taken out from the MOPA box, was
 IP_curve.png 
  4839   Mon Jun 20 11:04:03 2011 NicoleUpdateSUSWork Plan for Week 2Here is my work plan for this week:
Current Week Plan (Week 2)
  
  4838   Mon Jun 20 10:45:43 2011 JamieUpdateCDSPower restored to 1X1/1X2 racks. IOO binary output module installed.All power has been restored to the 1X1
and 1X2 racks.  The modecleaner is locked
again.
  
  4837   Mon Jun 20 09:28:19 2011 JamieUpdateCDSShutting down low-voltage DC power in 1X1/1X2 racksIn order to install the BO module in 1X2,
I need to shut down all DC power to the 1X1
and 1X2 racks.
  
  4836   Mon Jun 20 09:04:13 2011 steveUpdateSUSETMX damping restoredETMX sus damping restored   
  4835   Mon Jun 20 00:59:02 2011 kiwamuSummaryGeneralWeekly reportThis
is a summary for the week ending June 19th.
Feel
  
  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 
  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),
  
  4832   Fri Jun 17 16:05:07 2011 kiwamuUpdateABSLLightWave out of MOPA box[Suresh / Kiwamu]
 We did the following things
:
 DSC_3139_small.png 
  4831   Fri Jun 17 08:03:48 2011 steveUpdateSUSITMY sus damping restoredITMY sus damping restored.
 
  
  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 
  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
  
  4828   Thu Jun 16 08:45:14 2011 steveUpdateSUSVertex SUS Binary Output Boxes removed

    

       
            
 P1070894.JPG 
  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
  
  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 
  
  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 
  4824   Wed Jun 15 15:18:01 2011 kiwamuUpdateGeneralWednesday cleaning[Jenne / Kiwamu]
We spent approximately an hour for
the weekly Wednesday cleaning.
  
  4823   Wed Jun 15 12:16:37 2011 JamieUpdateLockingMICH noise budget?

    
        
  
  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 
  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 
  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
  
  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 
  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
  
  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.
  
  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
  
  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.
  
  4814   Tue Jun 14 09:24:36 2011 steveConfigurationPhotosSUS binary IO chassis 2 and 3 moved from 1X5 to 1X4

    

       
            
 P1070891.JPGP1070893.JPG 
  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 
  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
  
  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
  
  4810   Mon Jun 13 16:27:10 2011 JenneUpdateElectronicsSeismometer Box Update/graphs


   
        
            
 NewSeisBoxNoise.png 
  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
  
  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.
  
  4807   Fri Jun 10 20:23:56 2011 Larisa ThorneUpdateElectronicsSeismometer Box Update/graphs (continuation of this)
 
The noise graphs relating total noise
 SeisNoiseGraphs.jpg 
  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 
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