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ID Date Author Type Category Subjectdown Text Attachments
  12169   Fri Jun 10 18:16:59 2016 varunUpdatePSLRealignment of pre mode cleanerThe mode cleaner was misaligned probably
due to the earthquake (the drop in the
MC transmitted value slightly after utc 7:38:52
 pmctrans_mcsum_signals.png 
  5539   Sat Sep 24 17:12:54 2011 KojiUpdateLSCRealignment of REFL / Some 3f PRMI locking / Recycling Gain[Koji Suresh]
Activity on Friday evening
  
  5545   Mon Sep 26 15:15:45 2011 AnamariaUpdateLSCRealignment of REFL / Some 3f PRMI locking / Recycling GainA few comments on REFL table alignment
and REFL165.
Last time we realigned the table
  
  6079   Wed Dec 7 00:48:58 2011 kiwamuUpdateRF SystemRealigned incindent pointing to MCActually it was already in a good place.
I
just realigned the zig-zag mirrors on the
PLS table to bring the entire beam axis a
  
  8969   Tue Aug 6 07:52:58 2013 manasaUpdateGeneralReady to pump downI did an alignment check of the IFO before
we start pumping down.
Arms were locked. PRM and SRM were
 MCspot_0806.pngOSEM_0806.pngOL_0806.pngQPD_0806.png 
  11488   Mon Aug 10 22:18:19 2015 IgnacioUpdateIOOReady to do some online mode cleaner subtractionI'm attaching a SISO IIR Wiener filter
here for reference purposes that will go
online either tonight or tomorrow evening.
 stsx.pngperformance.pngfilter.zip 
  14390   Tue Jan 8 19:13:39 2019 JonUpdateUpgradeReady for pumpdown tomorrowEverything is set for a second pumpdown
tomorrow. We'll plan to start pumping
after the 1pm meeting. Since the main volume
  
  9597   Tue Feb 4 17:40:19 2014 manasaUpdateGeneralReady for pump down??

    

       
            
  
  9598   Tue Feb 4 23:01:24 2014 JenneUpdateGeneralReady for pump down?? 
 This sounds great! The only
suggestion that I have is for checking POP.
  
  9601   Wed Feb 5 15:26:57 2014 manasaUpdateGeneralReady for pump down??

    

       
            
  
  889   Tue Aug 26 19:07:37 2008 YoichiHowToComputersReading data from Agilent 4395A analyzer through GPIB from *Linux* machineI succeeded in reading data from Agilent 4395A
analyzer, who's floppy is crappy, through
GPIB from a Linux machine using
  
  2447   Tue Dec 22 18:42:40 2009 Sanjit, KojiConfigurationAdaptive FilteringReadded DAQ channels to active listSometimes back we modified /cvs/cds/caltech/chans/daq/C1ASS.ini
to save some of the channels. The file was
reverted to default after the recent changes
  
  3457   Mon Aug 23 18:18:22 2010 kiwamuConfigurationSUSRe:watchdogs offNow watchdogs
are back.
  
  2606   Tue Feb 16 11:12:51 2010 kiwamuUpdateGreen LockingRe:take some optics away from the ETM end table

    
        
  
  4038   Thu Dec 9 22:04:40 2010 kiwamuUpdateSUSRe:strange ETMX suspension[Koji, Osamu and Kiwamu]
We
checked the ETMX suspension and found the
  
  4090   Wed Dec 22 21:38:47 2010 kiwamuConfigurationVACRe:slow pumpdown at 12 hoursI stopped the pumping at 9:30 pm. Now
we are at 29 torr.

  
  2740   Wed Mar 31 11:52:32 2010 kiwamuSummaryGreen LockingRe:conversion efficiency of PPKTPGood point. There is a trick 
to avoid a divergence.
Actually the radius of the cylindrical
  
  4080   Mon Dec 20 23:32:58 2010 kiwamuUpdateIOORe:checking out & closing the vacuum chambers    
  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
  
  3323   Thu Jul 29 17:12:48 2010 josephb, kiwamuUpdateCDSRe:Working out ADC/DAC/BO wiringWe
have installed  4 BO boards, 3 DAC boards
and 1 ADC board for new C1SUS.
They
 DSC_2302.png 
  3460   Mon Aug 23 22:11:52 2010 kiwamuUpdateTreasureRe:Seriously?Woops, I am sorry about that. I've just
cleaned them up.

  
  2609   Tue Feb 16 16:24:30 2010 kiwamuUpdateGreen LockingRe:Re:take some optics away from the ETM end tableI put the TRY_PD back to the end table
and aligned it. Now it seems to be working
well.
  
  2533   Tue Jan 19 23:26:07 2010 kiwamuUpdateElectronicsRe:Re: triple resonant circuit for EOM


   
        
            
 matching_edit.pngeq1.pngdesigned_response.png 
  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.
  
  5537   Sat Sep 24 02:09:43 2011 kiwamuUpdateSUSRe:Oplev filter optimization for 2 poles and 2 zerosGood work for the oplev noise simulations.
Here are some comments/questions:
 (A) The noise looks suppressed
  
  5540   Sat Sep 24 17:45:56 2011 PaulUpdateSUSRe:Oplev filter optimization for 2 poles and 2 zeros

    

       
            
  
  5508   Wed Sep 21 23:25:51 2011 kiwamuUpdateSUSRe:ITMY and SRM actuator response functions - fitting resultsDid you take the 180 deg shift into your
account ?
Since your measurement was done when
  
  5509   Wed Sep 21 23:44:45 2011 PaulUpdateSUSRe:ITMY and SRM actuator response functions - fitting results

    

       
            
  
  4724   Mon May 16 10:05:02 2011 kiwamuUpdatePhotosRe:ETMY optical benchYou are right. We should change or rotate
the mirror mount.  
Actually when Suresh and I were putting
  
  4321   Fri Feb 18 00:13:55 2011 kiwamuUpdateCDSRe:Daqd was rebuilt, now reverted.THANK
YOU, JOE !!!  
  
  3330   Fri Jul 30 09:51:58 2010 kiwamuUpdateGreen LockingRe: waist positon of Gaussian beam in PPKTP crystalsOkay, I guess I understand what you want
to know. I did the following steps.
1. calculated the conversion efficiency
 efficiency_waist_edit.pngPPKTPmode.pngPSL_doubling.pngmode_in_PPKTP.png 
  5105   Wed Aug 3 11:34:59 2011 kiwamuUpdateVACRe: ventAn
important rule during the in-vac work :
  
  2529   Tue Jan 19 03:27:47 2010 kiwamuUpdateElectronicsRe: triple resonant circuit for EOM1. You are right, the gain for the
single resonant circuit was about 9.3 in
my measurement.
  
  3614   Tue Sep 28 00:07:45 2010 kiwamuConfigurationVACRe: slow vent has started(Koji, Yuta, Kiwamu)
 P1_history_100927.png 
  5005   Wed Jul 20 19:48:03 2011 JamieUpdateSUSRe: oplev gains today 
 We have been modifying models
that need to have their channels renamed
  
  4922   Thu Jun 30 11:40:21 2011 JamieUpdateIOORe: misc. MC work


   
        
            
  
  3092   Sun Jun 20 18:28:25 2010 kiwamuUpdateGreen LockingRe: lock with PDH boxOn the wiki I summarized about the modification
of the PDH box which is currently running
on the end PDH locking. 
  
  3315   Thu Jul 29 10:39:43 2010 kiwamuUpdateSUSRe: installation of in-vac opticsI updated the last entry   
  2374   Wed Dec 9 21:09:28 2009 kiwamuUpdateSUSRe: free swinging spectra of ETMY and ITMXOkay, now the data are attached. At that
time I just wanted to say like the follower.
- - -
 Pitch-Yaw_modes.png 
  2375   Thu Dec 10 00:46:15 2009 KojiUpdateSUSRe: free swinging spectra of ETMY and ITMXWell, I get the point now. It could
be either seismic or change in the suspension
Q.
  
  3414   Thu Aug 12 18:30:08 2010 kiwamuUpdateCDSRe: current statusYes.  
The medm screen C1SUS_GDS_TP.adl
showed some numbers which correspond
  
  5125   Fri Aug 5 15:11:24 2011 kiwamuUpdateSUSRe: cross couplingThere is a page on the 40m wiki explaining
the procedure.
 
  
  4413   Fri Mar 18 16:06:30 2011 kiwamuUpdateGreen LockingRe: Y arm plan for todayWe use
Alberto's laser for the Y end Green Locking.
  
  4414   Fri Mar 18 16:31:11 2011 Suresh UpdateGreen LockingRe: Y arm plan for todayThe
reason for using Alberto's laser is that
some amount of work has already gone into
  
  4195   Mon Jan 24 13:08:07 2011 kiwamuUpdateGreen LockingRe: X arm locked !


   
        
            
 e_pll_oltf.png 
  4196   Mon Jan 24 14:27:13 2011 kiwamuUpdateGreen LockingRe: X arm locked !


   
        
            
 masslock_oltf.png 
  5776   Tue Nov 1 16:02:15 2011 kiwamuUpdateSUSRe: SUS input matrix diagonalizer REMOVED from crontab

    

       
            
  
  2920   Wed May 12 10:33:32 2010 kiwamuUpdateGreen LockingRe: Reflection from ETM and ITM !The procedure you wrote down as a standard
is right.   I explain reasons why
we didn't do such way. 
  
  2921   Wed May 12 12:25:11 2010 KojiUpdateGreen LockingRe: Reflection from ETM and ITM !???
I still don't understand. What principle
are you rely on?
  
  1373   Mon Mar 9 11:09:33 2009 AlbertoUpdateComputersRe: Not even data retrieval working[quote]Although getting the regular DAQ data
works, we can't get any testpoints.
  
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