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  40m Log, Page 275 of 355  Not logged in ELOG logo
ID Date Authorup Type Category Subject Text Attachments
  5690   Wed Oct 19 04:23:58 2011 kiwamuUpdateSUSSRM free swinging testThe following optics were kicked:
SRM
Wed Oct 19 04:22:53 PDT 2011
  
  5691   Wed Oct 19 05:15:44 2011 kiwamuUpdateSUStaking care of SRMI
made some efforts to fix the situation of
SRM but it is still bad.
 f2pSRM.png 
  5694   Wed Oct 19 10:49:35 2011 kiwamuUpdateSUSSRM oscillation removed


   
        
            
 SRMoplevKWMtune.png 
  5698   Wed Oct 19 14:03:41 2011 kiwamuUpdateGeneralvent prep : dichroic mirrorsStatus update on dichroic mirror:
 I got the specification sheet
of an aLIGO 2" dichroic mirror from
  
  5699   Wed Oct 19 15:46:49 2011 kiwamuUpdateSUStaking care of SRM


   
        
            
 SRM.png 
  5702   Wed Oct 19 16:53:38 2011 kiwamuUpdateCDSsome screens need labels   Untitled.png 
  5704   Wed Oct 19 17:33:07 2011 kiwamuUpdateGreen LockingETMY mechanical shutter : fully functional
The mechanical
shutter on the Y end is now fully functional.
 MechShutter.png 
  5709   Thu Oct 20 04:47:37 2011 kiwamuUpdateLSCclipping search round 1[Koji / Kiwamu]
 
We tried finding a possible clipping in the
  
  5744   Wed Oct 26 23:03:03 2011 kiwamuUpdateLSCRF distribution box : two more 55MHz availableThe RF distribution
box has been modified so that it generates
  
  5746   Thu Oct 27 16:09:37 2011 kiwamuUpdateLSCRF distribution box : two more 55MHz availableThe diagram of the RF distribution box
has been updated according to the modification
( #5744).
 RF_Distribution_Box.png 
  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 
  5749   Fri Oct 28 01:13:17 2011 kiwamuUpdateSUSITMX oplev : iris fully openedI found that the sum of the ITMX oplev
signals had gone down to zero yesterday.
I checked the ITMX table and found
  
  5752   Fri Oct 28 03:42:50 2011 kiwamuUpdateLSCITMX table needs to be refined(POX)
The POX beam had been 80% clipped
at a black glass beam dump of the POX11 RFPD.
 ITMXtable.png 
  5753   Fri Oct 28 04:57:00 2011 kiwamuUpdateLSCPOX11 demod board brokenThe POX11 demodulation
board is broken. It needs to be fixed in
 Screen_shot_2011-10-28_at_2.26.02.png 
  5754   Fri Oct 28 05:17:13 2011 kiwamuUpdateLSClocking activity : PZT1 is still railing Status update on the LSC activity:

 To see how good/bad the beam
  
  5762   Sat Oct 29 05:50:44 2011 kiwamuUpdateLSCMC suspensions misaligned to avid railing for PZTsI have shifted the alignment of the MC
suspensions such that the PZT won't rail.
Since I didn't care of the spot positions
 MCalignOct282011.pngOct282011.png 
  5773   Mon Oct 31 21:46:32 2011 kiwamuUpdateLSCDependence of Recycling gain on incident beam pointingI
horizontally swept the translation of the
incident beam in order to investigate a possible
 beam_scan_PRCL.png 
  5776   Tue Nov 1 16:02:15 2011 kiwamuUpdateSUSRe: SUS input matrix diagonalizer REMOVED from crontab

    

       
            
  
  5788   Wed Nov 2 19:32:20 2011 kiwamuUpdateLSCPOP22/110 installed[Steve / Kiwamu]
 The
POP22/110 RFPD has been installed. It is
  
  5794   Thu Nov 3 14:25:52 2011 kiwamuUpdateLSCPDA10A as POP22/110 : too small signalIt
turned out that the signal was too small
with PDA10A to detect the 22 and 110 MHz
  
  5796   Thu Nov 3 16:31:47 2011 kiwamuUpdateLSCPDA10CF as POP22/110 : betterThe
POP22/110 RFPD has been replaced by PDA10CF.
As a result the 22 and 110 MHz signals became
  
  5801   Thu Nov 3 18:41:36 2011 kiwamuUpdateLSCPOX11 demod board : haven't been modified yetI
pulled out the POX11 demod board and found
the power splitter on the board hadn't been
  
  5802   Thu Nov 3 19:58:18 2011 kiwamuUpdateLSCPOX11 demod board : modification doneThe modification
on the POX11 demod board has been successfully
 POX11demod.png 
  5806   Fri Nov 4 05:24:56 2011 kiwamuUpdateLSCoffset introcuded in MC and IFO-configure script modified[Offsets in MC]
 I have introduce an offset
in MC2 PIT because the PZT1 again started
  
  5817   Sat Nov 5 00:04:23 2011 kiwamuUpdateASCASS scripts goneDid
somebody delete all the scripts in /opt/rtcds/caltech/c1/scripts/ASS
  
  5820   Sat Nov 5 04:30:21 2011 kiwamuUpdateGreen LockingRe:Passive summing box modificationsI think you also should check the PZT's
capacitance of the 700mW LightWave because
2.36 nF is the one for the 1W Innolight laser.
  
  5838   Mon Nov 7 22:20:18 2011 kiwamuUpdateGreen LockingRe:YARM length fluctuationA nice plot !
Can you put another y-axis on the
right hand side of the same plot  in
  
  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
  
  5852   Wed Nov 9 16:49:17 2011 kiwamuUpdateGreen LockingY end laser temperature with slow input connectedIndeed it is strange. I took a quick look
at it.
In
  
  5860   Thu Nov 10 05:54:23 2011 kiwamuUpdateGreen LockingBeat-note detected : PSL vs Y arm[Katrin / Kiwamu]
The beat-note
 DSC_3606_small.jpg 
  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
  
  5888   Mon Nov 14 17:01:14 2011 kiwamuUpdateGreen LockingALS feedback on MC2Leaving a note on the ALS feedback before
I forget:
The
  
  5890   Mon Nov 14 22:56:31 2011 kiwamuUpdateGreen LockingY end PDH lock : UGF at 17 kHz[Tomotada / Kiwamu]
 
The open loop transfer function of the Y
 YendOLTF.png 
  5894   Tue Nov 15 12:25:38 2011 kiwamuUpdateGreen LockingY arm ALS : beat-note free run fluctuationLocking activity last night :
 
The free run beat-note in 532 nm has been
 noise_budget.png 
  5895   Tue Nov 15 15:16:04 2011 kiwamuUpdateCDSdataviewer doesn't runDataviewer is not able to access to fb
somehow.
I restarted daqd on fb but it didn't
 blank.png 
  5914   Wed Nov 16 17:29:46 2011 kiwamuUpdateGreen LockingSome updates on the Y end green PDH
    

       
            
 Yarm_fluctuation.png 
  5920   Thu Nov 17 03:46:52 2011 kiwamuUpdateGreen LockingPSL doubling had been diabledI
found that the temperature controller of
the PSL doubling oven had been disabled.
  
  5929   Thu Nov 17 17:21:22 2011 kiwamuUpdateGreen LockingY end green PDH servo : it's okay

    

       
            
 servoTF.pngservofilter.pngerr_suppression.png 
  5930   Thu Nov 17 18:20:26 2011 kiwamuUpdateGreen LockingY arm ALS : 1st trial of noise budgetThe
noise budget on the Y arm ALS has begun.
 Yarm_ALS_2011Nov16.png 
  5942   Fri Nov 18 02:50:10 2011 kiwamuUpdateIOORF generation box : power switch malfunction[Suresh / Kiwamu]
 The
power switch button of the RF generation
 broken_power_switch.png 
  5947   Fri Nov 18 15:35:18 2011 kiwamuUpdateIOORF generation box : power switch malfunctionJenne
gave me a spare LED power switch
  
  5963   Sun Nov 20 14:48:55 2011 kiwamuUpdateGeneralrecovery from the power shutdownRecovery
from the power shutdown
 - Turned on the raid disk of
  
  5964   Sun Nov 20 15:11:09 2011 kiwamuUpdateIOORFAM monitoring testDO NOT CHANGE
THE IFO ALIGNMENT UNTIL TOMORROW MORNING
  
  5968   Mon Nov 21 14:35:28 2011 kiwamuUpdateIOORFAM monitoring test   REFL_RFAM.png 
  5970   Mon Nov 21 16:08:04 2011 kiwamuUpdateGreen Locking2nd trial of Y arm ALS noise budget : broad band noise gone

    

       
            
 Yarm_ALS_2011Nov19.png 
  5974   Tue Nov 22 00:19:10 2011 kiwamuUpdateSUSc1auxey hadware rebootedI found that the slow machine c1auxey,
which controls and monitoring the ETMY suspension
  
  5975   Tue Nov 22 04:02:47 2011 kiwamuUpdateIOOchanged MC alignmentI
have changed the MC2_YAW DC bias because
the PZT1_YAW was railing.
  
  5978   Tue Nov 22 15:18:18 2011 kiwamuUpdateGreen Lockingbroad band noise depends on the gain of Y green PDH. and comaprator broken

    

       
            
  
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