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  40m Log, Page 52 of 341  Not logged in ELOG logo
ID Date Author Typeup Category Subject Text Attachments
  5243   Mon Aug 15 21:43:29 2011 Anamaria and KeikoSummaryLockingcentral part ifo locking project REFL33 and REFL165 cables were connected
from the AP table to the rack.  Cables
on the rack for REFL33I, 33Q, 165I, 165Q
  
  5350   Tue Sep 6 22:51:53 2011 ranaSummaryCamerasAll Camera setups a need upgradingI just tried to adjust the ETMY camera
and its not very user friendly = NEEDS FIXING.
* Camera view is upside down.
  
  5358   Wed Sep 7 13:28:25 2011 steveSummaryCamerasAll Camera setups a need upgrading


   
        
            
  
  5459   Mon Sep 19 14:57:36 2011 kiwamuSummaryIOOIP POS is backIPPOS is
back. A cable had been disconnected at the
 wiring.png 
  5468   Mon Sep 19 20:56:36 2011 PaulSummarySUSRemaining SRM and ITMY OSEMs calibrations 
I've now taken data for the pitch
and yaw calibrations for the OSEMs of SRM
 SRM_PITCH_calib_curve.pngSRM_YAW_calib_curve.pngITMY_PITCH_calib_curve.pngITMY_YAW_calib_curve.png 
  5492   Tue Sep 20 23:59:53 2011 KojiSummaryLSCPlan to update the LSC code for multiple lock-insDRMI team needs to use at least three lockins
on LSC

    Increase the number
  
  5495   Wed Sep 21 02:49:39 2011 KeikoSummaryLSCLSC matricesI created 3 kinds of LSC matrices, PRMI condition
with carrier resonant in PRC, PRMI condition
  
  5498   Wed Sep 21 14:28:25 2011 KojiSummaryLSCThe LSC code/screen modification for LSC LOCKINsThe
LSC code has been modified
-
The code was modified, compiled, and installed.
  
  5522   Thu Sep 22 18:33:01 2011 KojiSummaryLSCThe LSC screen modificationAs per the request of Anamaria, I have
added the slider of the demodulation phase
for each RF PD screens.
 PD_screen.png 
  5528   Thu Sep 22 23:18:51 2011 KojiSummaryLSCThe LSC screen modification 
C1LSC_RFPD.adl screen was modified
to have more information.
 C1LSC_RFPD.png 
  5589   Fri Sep 30 18:06:24 2011 kiwamuSummaryIOOPZTs straing guage   beforeOutage110930.png 
  5592   Sat Oct 1 17:47:21 2011 KojiSummaryGeneralRecovery from the power shutdown[Steve Koji Kiwamu]
- The storage on linux1 and linux1
itself (with this order) were turned on at
  
  5593   Sat Oct 1 22:53:49 2011 kiwamuSummaryGeneralRecovery from the power shutdown : lockableFound the Marconi for the 11 MHz source
had been reset to its default.
 => reset the parameters.
  
  5596   Sun Oct 2 13:45:13 2011 ranaSummaryGeneralRecovery from the power shutdown: apache / svnRestarted Apache on nodus using Yoichi's
wiki instructions. SVN is back up.
  
  5599   Mon Oct 3 08:38:21 2011 steveSummaryVACRecovery from the power shutdown is completed 
I failed to start Rana's favorit
anciant desktop computer at the vac rack.
 poweroutage.jpg 
  5628   Fri Oct 7 11:45:24 2011 KojiSummaryLSCPOY11 installed, 55MHz PD at POY removedPOY11
PD was installed last night. The lock of
the Y arm was confirmed with the POY11I signal.
  
  5662   Thu Oct 13 21:40:59 2011 ranaSummaryVACRecovery from the power shutdown is completed As it turns out Steve is not crazy
in this particular instance: the vacuum computer,
linux3 , has some issues. I can login just
  
  5686   Tue Oct 18 15:20:03 2011 kiwamuSummaryIOORFAM plan[Suresh / Koji / Rana / Kiwamu]
Last
  
  5703   Wed Oct 19 17:21:16 2011 KojiSummaryLSCModification on the RFPD interface cardsI have modified all of the three RFPD interface
cards to be enabled permanently.
This
 D990543-B_mod.pdf 
  5708   Thu Oct 20 01:40:33 2011 KojiSummarySUSMC2 Misaligned 2:27PM on WednesdayThere looks some activity at around
MC2 on Wednesday afternoon.
It
 MC2_misalign.png 
  5716   Thu Oct 20 18:57:35 2011 SureshSummarySUSMC2 Misaligned 2:27PM on Wednesday

    

       
            
  
  5717   Fri Oct 21 02:36:44 2011 SureshSummarySUSMC2 Misaligned 2:27PM on Wednesday : MC Realigned


   
        
            
  
  5718   Fri Oct 21 02:57:38 2011 SureshSummarySUSMC2 Misaligned 2:27PM on Wednesday : cause traced


   
        
            
  
  5745   Thu Oct 27 03:32:45 2011 KojiSummaryIOORFAM monitor progress[Suresh, Mirko, Koji]
A cable from the stochmon box to
the cross connect for the EPICS ADCs is installed.
  
  5747   Thu Oct 27 18:00:38 2011 kiwamuSummaryLSCOffsets in LSC signals due to the RFAMs : Optickle simulationThe amount
of offsets in the LSC signals due to the
 ratio.pngupper.pngPRCL_200.pngMICH_200.pngSRCL_200.png 
  5849   Wed Nov 9 14:49:07 2011 kiwamuSummaryLSCCharacterization of the Power Recycled MichelsonEDIT
by KI:
 contour_loss.pngcontour_MM.png 
  5850   Wed Nov 9 16:03:21 2011 kiwamuSummaryGeneralGoal this weekGoal of this week : 
ALS on the Y arm
  
  5851   Wed Nov 9 16:29:36 2011 KojiSummaryLSCCharacterization of the Power Recycled MichelsonDifficult to understand.
The mode matching does not change
the recycling gain. It changes the coupling
  
  5875   Fri Nov 11 14:55:47 2011 kiwamuSummaryLSCCharacterization of the Power Recycled Michelson : take 2

    

       
            
 rec_gain.pngrefl.pngpbu.pngMM.pngloss.png 
  5885   Mon Nov 14 11:32:02 2011 kiwamuSummaryGeneralGoal this weekGoal of this week : Noise
budgeting on the Y arm ALS
  
  5980   Tue Nov 22 18:42:10 2011 kiwamuSummaryGreen LockingSome issues on the Y end green PDH locking[Rana / Kiwamu]
 As
a part of the ALS noise budgeting we took
  
  5983   Wed Nov 23 00:00:53 2011 ZachSummaryGreen LockingSome issues on the Y end green PDH locking

    

       
            
  
  5994   Thu Nov 24 02:23:43 2011 KojiSummaryGeneralGPIB<->WIFIGPIB<->WIFI on Agilent Network Analyzer
4395A was broken.
The
  
  5996   Thu Nov 24 05:47:16 2011 KojiSummaryIOOStochmon runningNow stochmon for 11MHz and 55MHz is running.
The calibration / noise measurement are going
to be post later...
  
  6007   Fri Nov 25 18:45:31 2011 Den, RanaSummarySUSExcess Noise in Digital FilteringWe are now trying to understand why the
coherence between SUS-X_SUSPOS_IN1 and SUS-X_SUSPOS_OUT
is lost below 1 Hz for X = MC1, MC2, MC3,
 FiltNoise.png 
  6008   Fri Nov 25 19:45:36 2011 Mirco, DenSummarySUSExcess Noise in Digital Filtering


   
        
            
 sus_coh-crop.pdflsc_coh-crop.pdf 
  6018   Sat Nov 26 19:07:40 2011 kiwamuSummaryGreen LockingAM trnasfer function of the Y end laser with doublin crystal

    

       
            
 AMTF_lightwave.pngAMTF_cailbrated.bod.zip 
  6029   Mon Nov 28 18:53:35 2011 DenSummaryWienerFilteringseismic noise substractionThere is still a problem why GUR, STS signals
are poorly coherent to MC_L.  But at
least we can see coherence at 2-5 Hz. It
 9x 
  6034   Tue Nov 29 07:45:56 2011 rana, joshSummaryComputer Scripts / Programs40m Daily News web pages As part of the initiative to
get a good daily summary page for aLIGO commissioning,
Josh is spearheading his
  
  6085   Thu Dec 8 00:18:38 2011 ranaSummaryComputer Scripts / ProgramsBURT restore problems / issues in snapshot scriptsI tried to run the seismic StripTool tonight,
which seems liek a simple task. But instead
I fell through the rabbit hole again...
  
  6105   Mon Dec 12 11:34:40 2011 Leo SingerSummaryGeneralSome design parameters for a Stewart platformAt the suggestion of Rana and Koji, I have
worked out some design parameters for a Stewart
platform to be used as a vibration isolation
 stewart.pdfstewart.nb 
  6128   Sat Dec 17 01:56:16 2011 KojiSummarySUSHysteresis test[Koji Kiwamu]
We wonder if the flakiness of MC2
comes from the suspension or not.
  
  6143   Wed Dec 21 14:41:22 2011 kiwamuSummaryGeneralminutes of 40m meeting : short-term planHere is the Gantt chart we discussed in
the 40m meeting today.
Based on the discussions we had,
 40mproject.png 
  6148   Fri Dec 23 15:55:12 2011 ranaSummaryComputer Scripts / ProgramsCONLOG: not working since Oct 1Often people say "I   
  6162   Tue Jan 3 18:40:08 2012 AidanSummaryComputer Scripts / Programsmedm directory clean-up I moved the following old and obsolete
MEDM directories to an archive /cvs/cds/rtcds/caltech/c1/medm

    c1vga
    c1vgl
  
  6169   Wed Jan 4 11:47:08 2012 JamieSummaryComputer Scripts / Programsmedm directory clean-up


   
        
            
  
  6262   Thu Feb 9 13:04:11 2012 KojiSummaryIOOPMC/IMC alignmentThere
has been no lock of input MC for more than
5days. WTF???
 Untitled.pngUntitled2.png 
  6265   Thu Feb 9 20:01:02 2012 ranaSummaryElectronicsUsing RF LP filters as dispersion units for the MFD WE currently use long cables to give
us the dispersion that we want for the MFD.
A cable gives a long delay - both the phase
  
  6348   Fri Mar 2 18:11:50 2012 jamieSummarySUSevaluation of eLIGO tip-tilts from LLO[Suresh, Jamie]
Suresh and I opened up and checked
out the eLIGO tip-tilts assemblies we received
  
  6353   Mon Mar 5 06:11:08 2012 kiwamuSummaryLSCplansPlans:

     DRMI (PRMI) + one arm
  
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