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ID Date Author Type Categoryup Subject Text Attachments
  2717   Sat Mar 27 16:23:10 2010 KojiUpdateSUSanother SRM sidemagnet gluedKiwamu and Koji
Last night we have released PRM from
the gluing fixture. All of the six magnets
  
  2730   Mon Mar 29 18:41:34 2010 KojiConfigurationSUSStarted to build TTsSteve and Koji
WE started to build 5 TTs. 4 of them
are used in the recycling cavities. One is
 IMG_2348.jpg 
  2731   Mon Mar 29 18:50:14 2010 KojiUpdateSUSPRM sidemagnet gluedPRM was released from the fixuture without
any trouble. This was the last magnet gluing
until ETMs are delivered.
 StatusTable.png 
  2753   Thu Apr 1 17:35:24 2010 KojiUpdateSUSWorking on ITMX/YSteve and Koji
- We removed old ITMX/Y from the
chambers. Now they are temporarily placed
 IMG_2353.jpg 
  2766   Mon Apr 5 09:48:57 2010 KojiUpdateSUSITMs placed on the tables in the chambersSteve and Koji (Friday, Apr 02)
Summary
Intsallation of ITMs are going on.
  
  2769   Mon Apr 5 11:39:41 2010 steveUpdateSUSITM-south installation


   
        
            
  
  2773   Mon Apr 5 14:10:06 2010 steveUpdateSUSsus damping restored

    
        
  
  2777   Tue Apr 6 22:54:34 2010 KojiUpdateSUSITMY (south) alignedKiwamu and Koji
ITMY
(south) was aligned
 IMG_2362.jpg 
  2796   Mon Apr 12 22:51:31 2010 KojiUpdateSUSITMX installed and alignedKoji
ITMX
was aligned
 IMG_2381.jpg 
  2800   Tue Apr 13 20:02:02 2010 KojiUpdateSUSBS chamber opened, PRM/SRM SOS removed from the tableBob, Steve, and Koji
We
opened North heavy door of the BS chamber
 IMG_2384.jpg 
  2813   Tue Apr 20 08:00:52 2010 steveUpdateSUSETMY damping restoredETMY sus damping was restored   
  2848   Mon Apr 26 21:12:53 2010 KojiUpdateSUSPRM/SRM standoffs gluedKiwamu and Koji
The PRM/SRM were balanced with the
standoffs. We glued them to the mirror.
  
  2862   Fri Apr 30 23:16:51 2010 KojiUpdateSUSSRM/PRM ready for bakingKiwamu and Koji
- Checked the SRM/PRM balancing after
the gluing.
  
  2863   Sun May 2 13:04:51 2010 KojiSummarySUSCoil Actuator Balancing and Spot PositionI liked to know quantitatively where the
spot is on a mirror.

With an interferometer and A2L
 coil_balance.png 
  2865   Sun May 2 15:38:12 2010 ranaSummarySUSCoil Actuator Balancing and Spot Position 
Oh, but it gets even better: in order
to trust the A2L script in this regard you
  
  2866   Sun May 2 16:52:44 2010 KojiSummarySUSCoil Actuator Balancing and Spot PositionYes, of course. But so far I am trusting
that the coils are inheretly balanced.
Probably you are talking about the
  
  2867   Sun May 2 17:16:43 2010 KojiUpdateSUSHow to steer the incident beam to the MC?Deviations of the MC spot from the center
of the mirrors were measured.
MC1H = +0.29 mm
 steering.png 
  2868   Mon May 3 00:36:49 2010 KojiUpdateSUSHow to steer the incident beam to the MC?Actually, I tried some tweaks of the input
steering to get the  beam being more centered
on the MC mirrors on Saturday evening.
  
  2870   Mon May 3 01:35:41 2010 KojiUpdateSUSLessons learned from MC spot centeringLessons
learned on the beam spot centering (so far)
  
  2901   Sun May 9 20:02:23 2010 ranaConfigurationSUSSUS filters deleted again to reduce CPU load on c1susvme2 againOn Friday, I deleted a bunch of filters
from the c1susvme2 optics' screens (MC1,2,3
+ SRM) so as to reduce the CPU load and keep
 40.png400.png 
  2939   Mon May 17 10:57:16 2010 steveConfigurationSUSdamping restored to ETMYsETMY-south sus damping was restored   
  3104   Wed Jun 23 12:47:43 2010 JenneUpdateSUSPRM, SRM ready for vacuumI fitzed
with the PRM and SRM briefly, and I now believe
 SRM_pitch_offset_small.jpg 
  3162   Tue Jul 6 17:38:27 2010 JenneUpdateSUSTip Tilt Progress![Jenne, Kyung Ha]
We successfully suspended the 4 eddy
current dampers for the first Tip Tilt. 
  
  3171   Wed Jul 7 19:41:27 2010 JenneUpdateSUS1.5 more ECD sets suspended for tip tilts[Jenne, Kyung Ha]
We made some good progress on suspending
the Tip Tilt ECDs today.  We finished
 ECDbackplane_blackdump_small.jpgECDbackplane_foil_small.jpg 
  3197   Mon Jul 12 15:49:56 2010 nancyUpdateSUSCharacterisation of the QPDI and koji setup the measurement of the
QPD response to the pitch and yaw displacements
of the beam spot.
 fullyaw.jpgyaw_linear.jpgfullpitch.jpgpitch_linear.jpg 
  3198   Mon Jul 12 17:05:30 2010 nancyUpdateSUSCharacterisation of the QPD

    
        
 plot.pngplot.png 
  3201   Mon Jul 12 22:01:13 2010 KojiUpdateSUSOne TT suspended. Still need fine alignmentJenne and Koji
We tweaked the alignment of the TT
mirror.
 IMG_2634.jpg 
  3233   Thu Jul 15 23:51:47 2010 Mr. MaricHowToSUSLevitate me if you canYou guys must work harder.
 mag_lev.jpg 
  3235   Fri Jul 16 13:05:48 2010 Kyung-haUpdateSUSLate update for 7/13 Tue (Tip Tilts)[Jenne & Kyung-ha]
We suspended the mirror to one of
the main frame with the ECD backplane we
  
  3249   Tue Jul 20 11:49:31 2010 JenneUpdateSUSSome Suspensions not damping[Jenne, Koji]
I moseyed into the control room this
morning, to find ITMX and ITMY both with
  
  3278   Fri Jul 23 15:54:38 2010 kiwamuUpdateSUSPRM and TT installed[ Jenne, Koji and Kiwamu]
 
 DSC_2275.JPG 
  3281   Fri Jul 23 18:55:25 2010 kiwamuUpdateSUSPRM and TT installedI updated    
  3294   Mon Jul 26 20:12:18 2010 kiwamuUpdateSUSOSEMs on PRM [Alberto and Kiwamu]
We installed the OSEMs to the new PRM.
 DSC_2279.JPG 
  3295   Mon Jul 26 20:30:35 2010 JenneUpdateSUS2 Tip Tilts suspended and balanced[Koji, Jenne]
We were on Team Cleanroom, while
Kiwamu and Alberto were on Team Chamber. 
  
  3302   Tue Jul 27 21:38:21 2010 kiwamuUpdateSUSinstallation of in-vac optics[Alberto and Kiwamu] 
We put the PRM back approximately on
 DSC_2284.JPGDSC_2291.JPG 
  3303   Tue Jul 27 23:46:45 2010 JenneUpdateSUSQ measurements of 2 TTs[Koji, Jenne]
We took measurements of the Q of
all the modes that we could think of for
  
  3313   Wed Jul 28 17:32:37 2010 kiwamuUpdateSUSinstallation of in-vac optics[Jenne, Koji and Kiwamu]
We have installed two steering mirrors
  
  3315   Thu Jul 29 10:39:43 2010 kiwamuUpdateSUSRe: installation of in-vac opticsI updated the last entry   
  3326   Thu Jul 29 22:08:32 2010 AlbertoUpdateSUSMore optics installed on the BS table[Koji, Steve, Kiwamu, Alberto]
- This afternoon we installed
a few new optics on the BS table: GR_PBS,
  
  3425   Mon Aug 16 19:12:18 2010 JenneUpdateSUSMore TT characterization[Jenne, Yoichi]
We
characterized Tip Tilts numbers 2 & 3
  
  3427   Mon Aug 16 23:39:29 2010 YoichiUpdateSUSMore TT characterization


   
        
            
 EQStopScrewHoles.jpg 
  3437   Wed Aug 18 19:19:38 2010 JenneUpdateSUSFinal 2 TTs suspended![Jenne, Yoichi]
The final 2 Tip Tilts (#1 and #5)
have been suspended.  We have designated
  
  3447   Fri Aug 20 15:22:09 2010 JenneUpdateSUSTTs done!!![Yoichi, Jenne]
Hooray!!!
  
  3455   Mon Aug 23 08:28:27 2010 steveUpdateSUSETMY sus damping restored    
  3456   Mon Aug 23 15:24:24 2010 kiwamuConfigurationSUSwatchdogs offFor the new CDS test, I turned
off the watchdogs for PRM, SRM, BS, ITMs
  
  3457   Mon Aug 23 18:18:22 2010 kiwamuConfigurationSUSRe:watchdogs offNow watchdogs
are back.
  
  3478   Fri Aug 27 13:41:02 2010 kiwamuUpdateSUSfix watchdogs  [Joe, Kiwamu]
We found that the vertex watchdogs were
  
  3581   Fri Sep 17 03:06:06 2010 KojiUpdateSUSSOS sent for bakingTwo SOS suspensions for the ETMs were
disassembled and packed for cleaning and
baking by Bob.
 IMG_3596.jpgIMG_3597.jpg 
  3582   Fri Sep 17 03:32:11 2010 KojiUpdateSUSArrangement of the SUS towersThe day before yesterday, I was cleaning
a flow bench in the clean room.
I found that one SOS was standing
  
  3686   Sun Oct 10 18:28:25 2010 kiwamuSummarySUSITMX OSEM offsetsBecause of the in-vac work on Oct. 4th
(see this
entry) , ITMX's OSEM offsets were
 OSEM.png 
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