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ID Date Author Type Category Subject Text Attachments
  5387   Mon Sep 12 16:27:01 2011 KeikoUpdateLSC3f demodulation board checkWait. I am checking the whitening filters
of the 33 and 165 demodulation boards.
Also, 
  
  5386   Mon Sep 12 13:24:07 2011 KeikoUpdateLSC3f demodulation board checkI also quickly
checked the orthogonality of the demodulation
board for REFL33 and REFL165 using function generators
  
  5385   Sun Sep 11 22:36:32 2011 KeikoUpdateLSC3f demodulation board checkFilters
at the RF inputs of REFL33 and REFL165 demodulation
boards were measured again. The filters will
 REFL33.pngREFL165.png 
  5384   Sun Sep 11 15:19:39 2011 kiwamuUpdateLSCphase delay in RF signalsA comment :
Since the LSC RFPD have a long cable
of more than 6 m, which rotates a 33 MHz
  
  5383   Sat Sep 10 20:30:01 2011 ranaUpdateIOOMC trans re-aligned / MC2 shifted mysteriously / MC2 re-aligned   MCdecenter.png 
  5382   Sat Sep 10 19:45:29 2011 JenneUpdateLSCY Arm work

    

       
            
  
  5381   Sat Sep 10 19:03:57 2011 ranaUpdateLSCY Arm workI lined up the Y Arm for locking and then
centered the oplevs for ETMY and ITMY.
* The ITMY OL has still got the old
  
  5380   Sat Sep 10 18:57:52 2011 KeikoUpdateLSC3f demodulation board checkThe
phase delay due to the RF input filter on
the demodulation board will not bother the
  
  5379   Sat Sep 10 18:52:45 2011 ranaUpdateComputersconlog getting filled upOne of the reasons that conlog seems so
slow lately is that its been writing 100's
of MB of .log files every day since early
  
  5378   Sat Sep 10 16:10:42 2011 KeikoUpdateLSC3f demodulation board checkThere is a LP filter just after the RF
input of an demodulation board (its schematic
can be found as D990511-00-C on DCC). I have
 REFL33-input-filter.png 
  5377   Sat Sep 10 14:55:28 2011 KeikoUpdateLSC3f demodulation board check To
check the demodulation boards for REFL33
and REFL165, a long cable from ETMY (SUS-ETMY-SDCOIL-EXT
  
  5376   Sat Sep 10 11:07:37 2011 ranaHowToSUSOptical Lever Servo Tuning thoughtsNow that we are in a moderately   
  5375   Sat Sep 10 02:28:45 2011 kiwamuUpdateSUSfree swinging test in vacuum conditionAll the optcs were excited
Sat Sep 10 02:14:11 PDT 2011
999681266
  
  5374   Sat Sep 10 01:36:15 2011 kiwamuUpdateASCinterferometer coarsely alignedThe
interferometer was coarsely aligned.
Now
  
  5373   Fri Sep 9 20:52:59 2011 kiwamuUpdateIOOspot positions on MC mirrors (in-vac)The
spot positions on the MC mirrors were readjusted.
  
  5372   Fri Sep 9 19:15:17 2011 ranaUpdateIOORF Amp for EOM on PSL Table


   
        
            
  
  5371   Fri Sep 9 16:16:59 2011 kiwamuUpdateIOOspot positions on MC mirrors (in-vac)The spot positions on the MC mirrors
were measured in the vacuum condition.
  
  5370   Fri Sep 9 14:55:03 2011 kiwamuUpdateSUSOSEM pictures on ITMsThe OSEM pictures taken in Sep/6 have
been uploaded to Picasa.
https://picasaweb.google.com/foteee
  
  5369   Fri Sep 9 13:29:09 2011 kiwamuUpdateIOOa history of PZT mirrorSomething happened about 8 years ago.
Old
iLog entry by AJW (2003/Sep/8)
  
  5368   Fri Sep 9 11:59:58 2011 kiwamuUpdateIOOPZT1 doesn't workLast night I
noticed that PZT1 didn't work properly
  
  5367   Thu Sep 8 20:13:24 2011 kiwamuUpdateIOOMC is back to full power[Suresh / Kiwamu]
 The
  
  5366   Thu Sep 8 13:20:07 2011 steveUpdatePEMvac envelope at atm for 36 daysWe tried not to open chambers above 10,000
particles of 0.5 micron cf/min
New items going in:      
 vent70.jpg 
  5365   Thu Sep 8 10:50:44 2011 steveUpdateVACpumpdown #71 comletedVacuum status:  " vacuum normal"  
CC1 pressure 5e-5 Torr
Slow roughing through butterfly valve
 pd#71.jpgmaglevpd.jpg 
  5364   Wed Sep 7 22:17:04 2011 ranaUpdateIOORF Amp for EOM on PSL TableAfter Steve pointed out the 'deep hoop'   
  5363   Wed Sep 7 21:45:16 2011 kiwamuUpdateVACpump stopped. Pressure is at 450 mtorrI stopped puming at 9:30 PM and the pressure
in P1 is at 450 mtorr.
I followed exactly he procedure that
 vacuum.png 
  5362   Wed Sep 7 20:44:11 2011 SureshUpdateelogrestartedElog crashed / dormant for long time. 
A look at the log file indicated that it
was busy generating png thumbnails for pdf
  
  5361   Wed Sep 7 18:19:37 2011 steveHowToVACstop pump down for overnight


   
        
            
  
  5360   Wed Sep 7 17:28:41 2011 kiwamuUpdateLSCX arm loss measurement : not goodThe measurement
itself wasn't good.
 Xarmlossmeasurement.png 
  5359   Wed Sep 7 16:21:35 2011 kiwamuUpdateLSCarm loss measurement : reslutsHere are the results of the arm loss measurements,
which I have done before the vent.
I ran the existing matlab script,
 Yarmloss.pngXarmloss.png 
  5358   Wed Sep 7 13:28:25 2011 steveSummaryCamerasAll Camera setups a need upgrading


   
        
            
  
  5357   Wed Sep 7 12:03:49 2011 steveUpdateVACPump down has startedJamie and Steve
We closed ITMX and ITMY chambers
and started pumping around 11am
  
  5356   Wed Sep 7 09:21:57 2011 jamieUpdateSUSSUS spectra before close upHere are all suspension diagonalization
spectra before close up. Notes:

    TMX looks the worst, but
 9x 
  5355   Wed Sep 7 08:14:01 2011 steveUpdateSUSfinal OSEM checkAll fine, except ITMX_sensor_UL's 
60  counts deep hoop for an hour.
 finalcheck.jpgITMX10min.jpgfinalsum.png 
  5354   Wed Sep 7 00:47:51 2011 JenneUpdateVACPUMP is a GO!Steve and Jamie:  After Jamie checks
the ITM free swingings, 
  
  5353   Wed Sep 7 00:44:51 2011 JenneUpdateSUSFreeswing allI just started a freeswing all,
as a final check before we pump:
  
  5352   Wed Sep 7 00:39:34 2011 ranaUpdateSUSITMX adjustments(What we did)
* Moved SUS to edge of table for
OSEM adjustment.
  
  5351   Wed Sep 7 00:01:23 2011 SureshUpdateIOOITMY chamber ready for heavy doors[Jenne, Suresh]
We did the following things in the
ITMY chamber today:
  
  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.
  
  5349   Tue Sep 6 21:33:21 2011 JenneUpdateSUSDiagonalizability of ITMX and ITMY is acceptable[Rana and Kiwamu on ITMX, Jenne and Suresh
on ITMY, Zombie/brains meeting on accepting
the matricies]
 ITMX.pngITMY.png 
  5348   Tue Sep 6 21:00:48 2011 ZachUpdateelogelog restartedI restarted the elog with the script as
it was not up when I tried to make a post.
It was again unresponsive when I went to
  
  5347   Tue Sep 6 17:56:53 2011 JenneUpdateIOOFree Swing ITMY started


   
        
            
  
  5346   Tue Sep 6 17:56:12 2011 JenneUpdateSUSfree swinging test on ITMX


   
        
            
  
  5345   Tue Sep 6 17:48:57 2011 kiwamuUpdateSUSfree swinging test on ITMYTue Sep  6 17:48:02 PDT 2011
999391697
  
  5344   Tue Sep 6 17:43:01 2011 SureshUpdateIOOFree Swing ITMY startedFree swing of ITMY started at
Tue Sep  6 17:41:43 PDT 2011
 
  
  5343   Tue Sep 6 11:27:19 2011 JenneUpdateGeneralAfternoon pre-pumpdown todo listThese are
the things that I can think of that we need
  
  5342   Tue Sep 6 11:21:33 2011 JenneUpdateSUSITMX rehung (Friday)[Jenne, Katrin, Jamie]
I'm a bad kid, and forgot to elog
my Friday morning work...
  
  5341   Tue Sep 6 08:05:53 2011 steveUpdateSUSITMX must be touching


   
        
            
 osemITMX.jpg 
  5340   Mon Sep 5 21:12:05 2011 DmassUpdateComputer Scripts / Programselog broke, fixedRestarted elog 9:11PM 9/5/11   
  5339   Sat Sep 3 14:47:50 2011 kiwamuUpdateIOOtriple resonant box : brief estimations about reflections and mode. depths(RF reflections)
The reflected RF power going back
to the RF generation box will be :
  
  5338   Fri Sep 2 17:57:18 2011 kiwamuUpdateSUSRe: ITMY released without opening chambersIt
stacked again 
  
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