40m QIL Cryo_Lab CTN SUS_Lab CAML OMC_Lab CRIME_Lab FEA ENG_Labs OptContFac Mariner WBEEShop
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ID Date Author Type Categoryup Subject Text Attachments
  8590   Thu May 16 08:32:05 2013 SteveUpdate40m upgradingETMY op table disabled 
All ETMY optical table electronics-
lasers-pds turned off, disconnected in order
 linguaa.jpg 
  8594   Fri May 17 00:32:32 2013 AnnalisaUpdate40m upgradingETMY - progress[Rana, Annalisa] 
 GREEN
 IMG_0536.JPG 
  8595   Fri May 17 15:38:51 2013 SteveUpdate40m upgradingETMY enclosure is on the way back 
 It  will arrive around 10 am Monday morning.
  
  8596   Fri May 17 16:06:14 2013 ranaUpdate40m upgradingETMY op table disabled 
 TODO:

    We need to replace all
  
  8597   Fri May 17 18:24:04 2013 AnnalisaUpdate40m upgradingETMY - progressI aligned the green beam into the Faraday.
I needed an HWP to have the right polarization
for the light entering the Faraday itself.
  
  8622   Thu May 23 00:16:32 2013 AnnalisaUpdate40m upgradingETMY - progress [Annalisa, Koji] 
 GREEN
 TransMonAndOplev.jpg 
  8637   Fri May 24 02:12:50 2013 AnnalisaUpdate40m upgradingETMY - Mode Matching for green 
 Mode
Matching calculation for green beam - Yarm
 ModeMatchingGreen.jpgModeMatchingGreenZoom.jpgXYpath.jpg 
  8638   Fri May 24 11:38:00 2013 KojiUpdate40m upgradingETMY - Mode Matching for greenI got confused. Is the mode calculation
in the cavity correct? 
Are you sure the wavelength in the
  
  8639   Fri May 24 12:50:25 2013 AnnalisaUpdate40m upgradingETMY - Mode Matching for green

    

       
            
  
  8645   Sat May 25 02:03:48 2013 AnnalisaUpdate40m upgradingETMY - Mode Matching for green - new calculation Mode
matching calculation for green - Yarm
I
 ModeMatchingGreenNEW.jpgModeMatchingGreenZoomNEW.jpgXYpathNEW.jpgphoto1.JPGphoto2.JPG 
  8646   Mon May 27 21:38:53 2013 AnnalisaUpdate40m upgradingETMY - Beam Dumps 
I put many razor dumps along the
IR/green path. The rejected beam from the
  
  8652   Tue May 28 22:11:23 2013 AnnalisaUpdate40m upgradingETMY - Yarm shutter cable 
 For some strange reason the
Yarm shutter cable runs up to the POY table,
  
  11521   Thu Aug 20 18:08:28 2015 IgnacioFrogs40m upgradingFatality. Something broke.

So
 image1.JPG 
  12625   Fri Nov 18 00:25:08 2016 JohannesOmnistructure40m upgradingAcromag Chassis DevelopmentI had Rich show me his approach to a chassis
for the Acromag modules. The document tree
for his design can be found on the DCC.
 acromag_bareboard.PNGXT_digital_340px_0.jpg 
  12634   Tue Nov 22 13:55:32 2016 JohannesOmnistructure40m upgradingAcromag ChassisCurrent Acromag chassis status:

I found out that Acromag offers
DIN rail mounting kits for the open boards,
 acroplan.pdf 
  2053   Mon Oct 5 14:37:29 2009 AlbertoUpdateABSLAbsolute Length Meaasurement NPRO is onIn the revival of the experiement length
measurement for the recycling cavities, I
turned the auxiliary NPRO back on. The shutter
  
  2209   Mon Nov 9 11:14:57 2009 AlbertoUpdateABSLStarted working on the PSL tableI'm working on the PSL table to set up
the PLL setup for the AbsL experiment.
  
  2211   Mon Nov 9 13:17:07 2009 AlbertoConfigurationABSLNPRO onI turned the auxialiary NPRO for the AbsL
Experiment on. Its shutter stays closed.
  
  2229   Tue Nov 10 19:19:57 2009 AlbertoUpdateABSLRotated polarizer on the PSL table, along the MC input pick off beam Aligning the beam for the PLL of the AbsL
Experiement I rotated the polarizer along
the path of the MC Input pick off beam (=
  
  2230   Tue Nov 10 19:21:53 2009 AlbertoUpdateABSLPLL AlignmentI've been trying to lock the PLL for the
AbsL Experiment but I can't see the beat
(between the auxiliary NPRO and the PSL).
  
  2238   Wed Nov 11 15:04:52 2009 AlbertoUpdateABSLWorking on the AP tableI've opened the AP table and I'm working
on it.
  
  2239   Wed Nov 11 16:18:57 2009 AlbertoUpdateABSLWorking on the AP table


   
        
            
  
  2240   Wed Nov 11 17:10:51 2009 JenneUpdateABSLWorking on the AP table

    
        
  
  2241   Wed Nov 11 17:33:54 2009 KojiUpdateABSLWorking on the AP tableYes it did.
For long time, the crystal temperature
C1:PSL-126MOPA_LTMP was 43~46deg. Now
  
  2250   Thu Nov 12 10:45:36 2009 AlbertoUpdateABSLWorking on the AP tableI've opened the AP table and I'm working
on it.
Also auxiliary NPRO turned on and
  
  2252   Thu Nov 12 11:34:38 2009 AlbertoUpdateABSLWorking on the AP table


   
        
            
  
  2254   Thu Nov 12 12:51:45 2009 AlbertoUpdateABSLWorking on the AP table

    
        
  
  2257   Thu Nov 12 16:53:59 2009 AlbertoUpdateABSLWorking on the AP table


   
        
            
  
  2261   Thu Nov 12 18:10:27 2009 AlbertoUpdateABSLPLL LockedI locked the PLL and made some first measuremtns
of the spectrum of the error signal. I'll
post them later.
  
  2321   Tue Nov 24 14:33:22 2009 AlbertoUpdateABSLworking on the AP tableI'm working on the AP table. I also opened
the auxiliary NPRO shutter. The auxiliary
beam is on its path on the AP table and PSL
  
  2324   Tue Nov 24 19:16:02 2009 AlbertoUpdateABSLworking on the AP table


   
        
            
  
  2326   Wed Nov 25 08:43:08 2009 AlbertoUpdateABSLWorking on the AP tableI'm working on the AP table. I also opened
the auxiliary NPRO shutter. The auxiliary
beam is on its path on the AP table and PSL
  
  2328   Wed Nov 25 10:20:47 2009 AlbertoUpdateABSLAbsL PLL not able to lockLast night something happened on the
beat between the PSL beam and the auxiliary
NPRO beam, that spoiled the quality of the
  
  2329   Wed Nov 25 11:02:54 2009 AlbertoUpdateABSLAbsL PLL not able to lock

    
        
  
  2334   Wed Nov 25 15:42:27 2009 AlbertoUpdateABSLWorking on the AP table


   
        
            
  
  2337   Wed Nov 25 20:14:58 2009 AlbertoUpdateABSLAbsL PLL not able to lock: problem fixed

    
        
  
  2338   Wed Nov 25 20:24:49 2009 AlbertoUpdateABSLPLL Open Loop Gain MeasuredI measured the open loop gain of the PLL
in the AbsL experiment.
I repeated the measurement twice:
 2009-09-25_OLgain_g3png.png2009-09-25_OLgain_g6png.png 
  2339   Wed Nov 25 20:28:17 2009 AlbertoUpdateABSLStopped working on the AbsLI closed the shutter of the NPRO for the
night.
  
  2342   Fri Nov 27 02:25:26 2009 ranaUpdateABSLPLL Open Loop Gain Measured


   
        
            
  
  2420   Tue Dec 15 21:39:34 2009 AlbertoUpdateABSLbrief summary of this afternoon's measurementsI took measurements of the open loop
gain of the AbsL PLL with the old Universal
PDH Box.
I Also measured the
  
  2421   Wed Dec 16 11:21:20 2009 AlbertoUpdateABSLUniversal PDH Box Servo FiltersYesterday I measured the shape of the
servo filter of both the old and the new
Universal PDH boxes.
Here they
 NewandOlfFilterTF.pngNewandOlfFilterTF.png 
  2422   Wed Dec 16 11:46:25 2009 AlbertoUpdateABSLAbsl PLL Open Loop GainYesterday I measured the Open Loop Gain
of the PLL in the absolute length experiment.
The servo I used was that of the old Universal
 OldBoxOLTF.png 
  2423   Wed Dec 16 11:55:47 2009 ranaUpdateABSLUniversal PDH Box Servo Filters 
 To me, they both look stable.
I guess that the phase has to go to -180
  
  2460   Mon Dec 28 15:34:14 2009 AlbertoUpdateABSLWorking on the AP tableI opened the auxiliary laser's shutter.
I'm currently working on the AP table.
  
  2461   Mon Dec 28 18:35:27 2009 AlbertoUpdateABSLWorking on the AP table


   
        
            
  
  2493   Sat Jan 9 15:02:01 2010 AlbertoUpdateABSLPRC scanningI scanned the PRC in the frequency range
of 30-60 MHz, untill the PLL lost lock. But
everything is working fine.
The
  
  2502   Mon Jan 11 11:06:53 2010 AlbertoUpdateABSLMeasurement running


   
        
            
  
  2504   Mon Jan 11 16:59:14 2010 AlbertoUpdateABSLInterferometer BusyI'm currently running a measurement on
the PRC.
Please don't interfere with the IFO
  
  2505   Mon Jan 11 19:36:13 2010 AlbertoUpdateABSLMeasurement runningLeaving for dinner. Back in ~1hr.
I left a measurement running. Please
don't interfere with it till I'm back. Thanks.
  
  2506   Mon Jan 11 21:49:17 2010 JenneUpdateABSLMeasurement running

    
        
  
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