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ID Date Author Type Category Subject Text Attachments
  5265   Thu Aug 18 22:24:08 2011 jamieOmnistructureVIDEOUpdated 'videoswitch' scriptI have updated the 'videoswitch' program
that controls the video MUX.  It now
includes the ability to query the video mux
  
  5264   Thu Aug 18 15:54:35 2011 steveUpdateSUSdamped and undamped OSEMsdamped sus at atm1 and freeswingging sus
at atm2
 
 5susLL.jpg8freeSUSLL.jpg 
  5263   Thu Aug 18 12:22:37 2011 jamieUpdateSUSsuspension updateMost of the suspension look ok, with "badness"
levels between 4 and 5.  I'm just posting
the ones that look slightly less ideal below.
 6x 
  5262   Thu Aug 18 10:59:04 2011 steveUpdateTreasurePrepared for drag wiping

    

       
            
  
  5261   Thu Aug 18 10:17:04 2011 kiwamu, steveUpdateSUSoplevs reestablished at VertexKiwamu and Steve, from yesterday
PRM and BS oplev paths were relaid
after setting 1/2 OSEM voltages. The incident
  
  5260   Thu Aug 18 00:58:40 2011 jamieUpdateSUSoptics kicked and left free swingingALL optics (including MC) were kicked and
left free swinging at:
997689421
  
  5259   Thu Aug 18 00:53:48 2011 jamie, kiwamu, suresh, jenneUpdateGeneralPUMP PLAN ABORTED; need to work more on IFO alignmentWe have decided that
the IFO alignment is bad enough that we're
not ready to pump down.  PUMP ABORTED.
The
 Beam_spot_shifts.png 
  5258   Wed Aug 17 20:14:49 2011 jamie, kiwamu, suresh, jenne, keiko, anamariaUpdateGeneralin-vacuum work status, prep for pumpThis afternoon's work:

    OSEMs were adjusted on
all suspended optics.
    X and
  
  5257   Wed Aug 17 17:51:54 2011 JenneUpdateTreasurePrepared for drag wipingWhile waiting for the IFO team to align
things (there were already ~5 people working
on a ~1 person job...), I got all of our
  
  5256   Wed Aug 17 15:55:01 2011 JenneUpdateGeneralin-vac work : the end is near


   
        
            
  
  5255   Wed Aug 17 15:47:18 2011 AnamariaUpdateSUSETMX Side Sensor slow channel down for a long timeJenne, Anamaria
We aligned the ETMX OSEMs and ran
into this issue. Looking at the SENSOR_SIDE
  
  5254   Wed Aug 17 12:14:27 2011 Josh SmithOmnistructureComputer Scripts / Programs40m summary page plansJosh Smith, Fabian Magana-Sandoval, Jackie
Lee (Fullerton)
Thanks to Jamie and Jenne for the
  
  5253   Wed Aug 17 06:42:38 2011 kiwamuUpdateGeneralin-vac work : the end is nearWe will pump
down the chambers on Thursday morning.
  
  5252   Wed Aug 17 03:10:06 2011 kiwamuUpdateGeneralcurrent status of in-vac work[Jamie / Suresh / Kiwamu] 
The in-vac
  
  5251   Wed Aug 17 02:48:56 2011 kiwamuUpdateRF SystemRe: AM in the PM[Keiko / Suresh / Anamaria / Kiwamu]
 The AM
  
  5250   Tue Aug 16 17:09:55 2011 JenneUpdateGeneraltoday's work to do


   
        
            
  
  5249   Tue Aug 16 16:59:20 2011 AnamariaUpdateRF SystemAM in the PMKiwamu, Keiko, Anamaria
Looking at the I and Q signals coming
from REFL11 and REFL55 we saw large offsets,
  
  5248   Tue Aug 16 11:49:17 2011 jamie, jenneUpdateGeneraltoday's work to do>If necessary steer ETMs and ITMs to
make the X and Y green beam flashing.
Green is now flashing in both X and
  
  5247   Tue Aug 16 10:59:06 2011 jamieUpdateSUSSUS updateData taken from: 997530498+120
Things are actually looking ok at
the moment.  "Badness" (cond(B))
 6x 
  5246   Tue Aug 16 04:50:17 2011 kiwamuUpdateSUSfree swinging again Since Suresh and I changed the DC
biases on most of the suspension, the free
swingning spectra will be different from
  
  5245   Tue Aug 16 04:28:09 2011 kiwamuUpdateGeneraltoday's work to doThe
main goal of today is to extract the pick-off
beams 
  
  5244   Tue Aug 16 04:25:34 2011 Suresh, KiwamuUpdateSUSalignment of MC output to Y-arm using PZTsWe did several things today+night. 
The final goal was to lock the PRC so that
we could obtain the POX, POY and POP beams. 
  
  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
  
  5242   Mon Aug 15 17:38:07 2011 jamieUpdateGeneralFoil aperture placed in front of ETMYWe have placed a foil aperture in front
of ETMY, to aid in aligning the Y-arm, and
then the PRC.  It obviously needs to
  
  5241   Mon Aug 15 17:36:10 2011 jamieUpdateSUSStrangeness with ETMY (was: Monday SUS update)For some reason ETMY has changed a lot. 
Not only does it now have the worst "badness"
(B matrix condition number) at ~10, but the
  
  5240   Mon Aug 15 17:23:55 2011 jamieUpdateSUSfreeswing script updatedI have updated the freeswing scripts, combining
all of them into a single script that takes
arguments to specify the optic to kick:
  
  5239   Mon Aug 15 14:10:56 2011 JenneUpdateSUSMonday SUS updateThe
moral of the story here is that none of the
suspensions are overwhelmingly awesome, but
 7x 
  5238   Mon Aug 15 14:07:39 2011 kiwamuUpdateIOORe: MC misaligned a lotThe leveling
was still okay. The MC mirrors were realigned
  
  5237   Mon Aug 15 13:16:50 2011 JenneUpdateSUSRe: ETMY hopefully good again


   
        
            
  
  5236   Mon Aug 15 10:58:52 2011 kiwamuUpdateIOOMC misaligned a lotThis morning Steve and I opened the doors
on the IOO and OMC chamber to let the IR
beam go to MC.
  
  5235   Mon Aug 15 10:02:27 2011 kiwamuUpdateSUSBS OSEM adjustment done[Suresh / Kiwamu]
 Adjustment of the OSEMs on BS
  
  5234   Sun Aug 14 22:48:37 2011 kiwamuUpdateSUSfree swinging againExcited all optics
Sun Aug 14 20:22:33 PDT 2011
997413768
  
  5233   Sun Aug 14 20:04:40 2011 Keiko, Anamaria, Jenne, and KiwamuSummaryLockingcentral part ifo locking planGOAL : To lock the central part of ifo

Here is the plan:
  
  5232   Sun Aug 14 19:06:50 2011 JenneUpdateelogelog dead. Brought back to lifelike the subject says...   
  5231   Sun Aug 14 17:47:39 2011 NicoleSummarySUSTT Shaking Today and Hopefully More?

    

       
            
 noisetest.jpg 
  5230   Sun Aug 14 15:37:39 2011 JennyUpdatePSLTemperature steps and slow actuator railing


   
        
            
  
  5229   Sun Aug 14 13:57:52 2011 NicoleSummarySUSTT Optimization Curves

    

       
            
 FLEX_exp_mod_comp.jpg 
  5228   Sun Aug 14 04:12:37 2011 JennyUpdatePSLTemperature steps and slow actuator railingBelow are some plots from dataviewer of
temperature-step data taken over the past
32 hours. (They show minute trends). I am
 Picture_6.pngPicture_7.png 
  5227   Sun Aug 14 00:26:51 2011 NicoleSummarySUSTT Optimization Curves

    
        
  
  5226   Sat Aug 13 21:48:17 2011 KojiSummarySUSTT Optimization Curves1) Drawing has the dimensions => You
can calculate the volume => You can calculate
the mass
  
  5225   Sat Aug 13 21:15:47 2011 NicoleSummarySUSTT Optimization Curves


   
        
            
  
  5224   Sat Aug 13 19:08:01 2011 KojiSummarySUSTT Optimization CurvesWhat are the parameters you are using?
As you have the drawings of the components,
you can calculate the masses of the objects.
  
  5223   Sat Aug 13 15:47:47 2011 NicoleSummarySUSTT Optimization CurvesUsing my Matlab model of the flexibly-supported
eddy current damping system, I have changed
parameters to see if/how the TTs can be optimized
 magstrength1.jpgdampermass.jpgresfreq.jpg 
  5222   Sat Aug 13 15:40:38 2011 NicoleSummarySUSTT Shaking Today and Hopefully More?As reported in my  previous
entry of TT supsension bode plots, I
found that my experimental data had what
 emnoise_and_flex.jpg 
  5221   Sat Aug 13 02:31:42 2011 kiwamuUpdateSUSRe: ETMY hopefully good againI guess the ETMY suspension is still fine.
Their OSEM DC voltage and the free swinging
spectra look healthy.
  
  5220   Sat Aug 13 02:11:33 2011 kiwamuUpdateSUSfree swinging againI am leaving all of the suspensions
free swinging. They will automatically recover
  
  5219   Sat Aug 13 01:54:18 2011 kiwamuUpdateSUSPRM OSEM adjustment part IIAdjustment  before.pngafter.png 
  5218   Sat Aug 13 01:52:07 2011 YoichiUpdateLSCFeed forward delayYoichi, Koji

While I was testing the feed forward cancellation,
 Spe1.pdfTFFitting.png 
  5217   Fri Aug 12 20:33:57 2011 DmassSummaryPSLNPRO PDH-Locked to Ref CavTo aid Jenny's valiant attempt to finish
her SURF project, I did some things with
the front end system over the last couple
 TMP_INT_TF.pdf 
  5216   Fri Aug 12 20:28:13 2011 JenneUpdateSUSETMY hopefully good again


   
        
            
  
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