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  40m Log, Page 297 of 341  Not logged in ELOG logo
ID Date Author Type Categoryup Subject Text Attachments
  7408   Wed Sep 19 09:32:24 2012 SteveUpdateSUSalignment centering jigSOS alignment tool with ID 9.5 and 6.3
mm
 IMG_1639.JPGIMG_1651.JPG 
  7428   Fri Sep 21 22:43:51 2012 DenUpdateSUSTT alignmentI did TT alignment using red laser and
QPD.
 6x 
  7443   Wed Sep 26 17:09:15 2012 DenUpdateSUSTT  [Koji, Steve, Den]
TT alignment is fine, yaw damping
is satisfactory, pitch damping is slow. We
  
  7446   Thu Sep 27 15:21:04 2012 SteveUpdateSUSTT height adaptor & PTICH damping

    

       
            
 09271201.PDFIMG_1656.JPGIMG_1654.JPG 
  7453   Mon Oct 1 07:25:48 2012 SteveUpdateSUSMC2 & ETMX sus damping restored    
  7458   Mon Oct 1 17:03:01 2012 steveUpdateSUSETMY oplev relayed

    

       
            
 IMG_1673oplevETMY.jpg 
  7460   Tue Oct 2 07:45:49 2012 SteveUpdateSUS MC2 & PRM sus damping restored    
  7466   Wed Oct 3 07:41:23 2012 SteveUpdateSUS MC2 sus damping restoredThis is the third morning in a row that
the MC2 was tripped.  Would you look
at it Koji?
  
  7473   Wed Oct 3 23:24:05 2012 KojiUpdateSUS MC2 sus damping restored

    

       
            
  
  7478   Thu Oct 4 14:08:49 2012 jamieUpdateSUSsuspensions dampedAll suspension damping has been restored.   
  7484   Thu Oct 4 22:27:54 2012 KojiUpdateSUSHow about the slow machines?One terrible concern of mine is that the
slow machines were rebooted at the power
  
  7485   Thu Oct 4 22:35:16 2012 DenUpdateSUSHow about the slow machines?

    

       
            
  
  7489   Fri Oct 5 04:34:31 2012 ranaUpdateSUSHow about the slow machines?

    

       
            
  
  7496   Sun Oct 7 15:05:42 2012 DenUpdateSUS MC2 sus damping restored

    

       
            
 mc2.png 
  7500   Mon Oct 8 10:56:59 2012 JenneUpdateSUSETMX slow machine dead??I think the ETMX slow machine might be
dead.  All of the regular FE readbacks
are fine, and the c1iscex FE computer looks
  
  7502   Mon Oct 8 11:44:21 2012 JenneUpdateSUSETMX slow machine fine

    

       
            
  
  7507   Mon Oct 8 22:07:46 2012 ranaUpdateSUSDoors on, ready to pump

    

       
            
 20120921_200637.jpg 
  7511   Tue Oct 9 17:16:14 2012 DenUpdateSUSdiagonalizationI went inside to align the beam on WFS
and noticed that oscillations in yaw are
~10 times stronger then in pitch. I've plot
 mc123_rms.pdfmc1_diag.pdfmc123_rms.pdf 
  7512   Tue Oct 9 17:33:37 2012 jamieUpdateSUSdiagonalization

    

       
            
  
  7516   Wed Oct 10 02:20:34 2012 ranaUpdateSUSOptical Lever QPD mods Since we upgraded the CDS system,
I guess our ADC ranges have gone up but we
never did anything to the OLs to match the
 C1-CORE_OPTICS_SUM_DATA_ALL_TIME_0-1033801216-86400.png 
  7523   Wed Oct 10 21:50:39 2012 SUS_DiagonalizerUpdateSUSOptics kickedAll suspended optics have been kicked at Wed
Oct 10 21:50:39 PDT 2012. Watchdogs will
be reengaged in 90 minutes. 
  
  7524   Thu Oct 11 00:22:58 2012 SUS_DiagonalizerUpdateSUSOptics kicked[quote]All suspended optics have been kicked
at Wed Oct 10 21:50:39 PDT 2012. Watchdogs
will be reengaged in 90 minutes. [/quote]
  
  7525   Thu Oct 11 00:28:30 2012 DenUpdateSUSdiagonalizationI've written MC123 input matrixes to the
front-end.
MC1 diagonalization is poor, better
 mc1_new.pdfmc123_new.pdf 
  7526   Thu Oct 11 01:30:11 2012 DenUpdateSUSdiagonalization

    

       
            
 mc1_coils.pdf 
  7528   Thu Oct 11 11:36:52 2012 SteveUpdateSUSTT pitch adjustmentTip Tilt pitch adjustment on existing-in
vacuum suspension. This can be added by a
simple installation of a 1.25" long
 IMG_1702.JPG 
  7532   Thu Oct 11 14:40:20 2012 DenUpdateSUSdiagonalization

    

       
            
 mc1.pdf 
  7535   Fri Oct 12 10:39:45 2012 SteveUpdateSUSTT PITCH damping

    

       
            
 IMG_1709.JPG 
  7536   Fri Oct 12 14:01:33 2012 KojiUpdateSUSTT PITCH damping

    

       
            
  
  7538   Fri Oct 12 16:59:26 2012 steveUpdateSUSTT PITCH damping

    

       
            
  
  7544   Mon Oct 15 08:08:33 2012 steveUpdateSUSPRM damping restored

    

       
            
  
  7548   Mon Oct 15 14:51:16 2012 JenneUpdateSUSSUS were kicked hard as a result

    

       
            
  
  7551   Mon Oct 15 22:16:09 2012 JenneUpdateSUSAll oplev gains turned to 0Steve has promised to fix up all of the
oplevs, but it hasn't happened yet, so I've
turned all of the oplev gains to zero, so
  
  7566   Wed Oct 17 08:30:49 2012 SteveUpdateSUS PTICH damping needed

    

       
            
  
  7568   Wed Oct 17 11:15:05 2012 DenUpdateSUS PITCH damping needed

    

       
            
 pitch_damping.png 
  7571   Thu Oct 18 02:42:38 2012 DenUpdateSUS PITCH damping needed

    

       
            
 7x 
  7583   Fri Oct 19 18:30:07 2012 DenUpdateSUS PITCH damping needed

    

       
            
 damp.pngpitch.png 
  7585   Sat Oct 20 01:23:56 2012 DenUpdateSUS PITCH damping needed

    

       
            
 P1010059.jpgP1010058.jpgP1010060.jpg 
  7586   Sat Oct 20 20:37:55 2012 DenUpdateSUS PITCH damping needed

    

       
            
 DSC_4778.JPGpitch.JPGyaw.JPGDSC_4776.JPG 
  7588   Mon Oct 22 11:26:12 2012 ranaUpdateSUS PITCH damping needed 
Too bad - I thought it would at least
give a little damping. Since we want the
  
  7593   Tue Oct 23 01:46:53 2012 DenUpdateSUS PITCH damping needed

    

       
            
 Mirror_Holder_ECD_NEW_DRAWING.PDFTT_DAMPING_DRAWING.PDF 
  7595   Tue Oct 23 09:37:33 2012 SteveUpdateSUS passive TT adjustment correction

    

       
            
 IMG_1745.JPG 
  7598   Tue Oct 23 17:12:30 2012 DenUpdateSUS PITCH damping needed Koji and Steve pointed out that previous
design  of a damping bracket was
a bit complicated to manufacture. So I made
 simple_drawing.PDF 
  7602   Tue Oct 23 18:18:29 2012 JenneUpdateSUS PITCH damping needed

    

       
            
  
  7604   Wed Oct 24 01:02:10 2012 KojiUpdateSUS PITCH damping neededWow... This is even more complicated than
the original "Y" design...
  
  7619   Thu Oct 25 08:04:45 2012 SteveUpdateSUSmy assesment of the folding mirror (passive tip-tilt) situation

    

       
            
 IMG_1748.JPG 
  7625   Thu Oct 25 20:44:11 2012 JenneUpdateSUSTip tilts in progressJamie and I spent some time with tip tilt
SN001 this afternoon.  This was installed
as SR3, so I was going to put a new LaserOptik
  
  7630   Fri Oct 26 10:44:25 2012 JenneUpdateSUSTip tilts in progress


   
        
            
  
  7631   Fri Oct 26 13:08:14 2012 JenneUpdateSUSTip tilts in progress

    

       
            
  
  7637   Mon Oct 29 09:33:42 2012 SteveUpdateSUSPRM & ETMY sus damping restored    
  7640   Mon Oct 29 18:14:55 2012 DenUpdateSUS PITCH damping needed 
 We've received all parts that
we need for eddy current damping. I've made
 DSC_4787.JPGDSC_4791.JPG 
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