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ID Date Author Type Categoryup Subject Text Attachments
  8418   Fri Apr 5 01:28:56 2013 ManasaUpdate40m UpgradingEndtable upgrade for auxiliary green laser : populating the tableI started populating the end table; the
TRY path to start with. I found that I need
to redo the cables/electronics layout around
  
  8419   Sat Apr 6 09:21:36 2013 ranaUpdate40m UpgradingNot a fan of the new plastic box yet 
 1) We still need to drill and
install the thumbscrew latches
  
  8423   Mon Apr 8 16:37:26 2013 SteveUpdate40m UpgradingETMY enclosure wall transmission 
 Enclosure cover #1 transmission
measured  in 1064 nm,  156 mW, 
  
  8425   Tue Apr 9 00:15:18 2013 ManasaUpdate40m UpgradingEndtable upgrade for auxiliary green laser : populating the table[Den, Annalisa, Manasa]

The Alberto laser was moved from the
  
  8427   Tue Apr 9 00:32:57 2013 ManasaUpdate40m UpgradingEndtable upgrade for auxiliary green laser : TRY temporarily in placeThe TRY path on the end table is temporarily
in place to help IFO locking.
The Y arm transmission was steered
  
  8430   Tue Apr 9 08:37:54 2013 SteveUpdate40m UpgradingEndtable upgrade for auxiliary green laser : TRY temporarily in place

    

       
            
  
  8432   Tue Apr 9 21:27:48 2013 JenneUpdate40m Upgrading TRY temporarily in place

    

       
            
  
  8436   Wed Apr 10 14:25:04 2013 ManasaUpdate40m UpgradingEndtable upgrade for auxiliary green laser : LWE Alberto laser beam profileI measured the beam profile of the Alberto
laser (that will be the ETMY end laser) as
I found the data inconsistent with the measurements
 LWE_Alberto_BP.pngbeam_waist.zip 
  8458   Wed Apr 17 02:20:13 2013 ManasaUpdate40m UpgradingEndtable upgrade for auxiliary green laser : progress 
Assembly progress: 
1. ETMY oplev setup has been put
 TRY_OPL.jpgGRY.jpg 
  8472   Mon Apr 22 17:43:09 2013 SteveUpdate40m Upgrading ETMY optical table & enclosure is ready for optics

    

       
            
 more2.jpg 
  8473   Mon Apr 22 19:48:56 2013 JenneUpdate40m Upgrading4 pins enough?Are 4 of these spring loaded pins enough? 
I'm not sure how one pin can hold 2 lids
at each point.  It seems like we need
  
  8475   Tue Apr 23 15:00:20 2013 JenneUpdate40m Upgrading4 pins enough?

    

       
            
  
  8486   Wed Apr 24 15:27:59 2013 ManasaUpdate40m UpgradingEndtable upgrade for auxiliary green laser : progress: New layoutLayout that will be improved upon over
the next few days.
Things that need to be updated:
 ETMY_endtable_New.png 
  8522   Thu May 2 01:19:41 2013 ManasaUpdate40m UpgradingEndtable upgrade for auxiliary green laser : progressI started to put together optics at the
endtable. I am attaching the  layout with
the green blocks showing the optics that
 ETMY_0502.png 
  8543   Tue May 7 19:06:45 2013 ManasaUpdate40m UpgradingEndtable upgrade for auxiliary green laser : progressI have updated the waists (W)  and beam
diameters (D) at 1064nm optics on the
endtable.
 ETMY_endtable_New.png 
  8556   Thu May 9 01:36:32 2013 ManasaUpdate40m UpgradingEndtable upgrade for auxiliary green laser : progressProgress with end table:
Parts in green show assembled optics
that will not require any changes. Parts
 0509.png 
  8560   Thu May 9 22:29:23 2013 ManasaUpdate40m UpgradingEndtable upgrade for auxiliary green laser : progress[Annalisa, Manasa]
More optics have been put on the
table. Direction of the rejected beam from
  
  8561   Fri May 10 20:05:21 2013 AnnalisaUpdate40m UpgradingEndtable upgrade for auxiliary green laser : progressI rotated some mounts along
the green beam path, and I started aligning
the beam again.
  
  8565   Mon May 13 21:35:55 2013 AnnalisaUpdate40m UpgradingEndtable upgrade for auxiliary green laser : progressYend
table - Current status
  
  8568   Tue May 14 01:13:35 2013 JenneUpdate40m UpgradingTRY realignedKoji noticed that earlier this afternoon
the Yarm ASS was working, but then after
dinner it was no longer working.  I
  
  8571   Tue May 14 14:24:56 2013 SteveUpdate40m Upgradingenclosure removal  
 I'm planning to remove the
ETMY optical table enclosure and move it
  
  8576   Tue May 14 21:03:15 2013 AnnalisaUpdate40m UpgradingEndtable upgrade for auxiliary green laser : progress 
GREEN 
The new lenses arrived, and I put
  
  8584   Wed May 15 21:27:39 2013 AnnalisaUpdate40m UpgradingEndtable upgrade for auxiliary green laser : progress 
GREEN
I still have problems in maximizing
  
  10130   Sat Jul 5 04:18:45 2014 AndresUpdate40m Xend Table upgradeAdding Two Lenses After the Second Steering Mirror in Order Two Increase the Gouy Phase Difference Between the Sterring MirrorsI had been working on the Xend table optical
layout update. Since the two steering mirrors
in the Xend green are too close to each,
 7x 
  10191   Sun Jul 13 17:06:35 2014 AndresUpdate40m Xend Table upgradeXarm Table Upgrade Calculation and Diagrams of possible new table layout Current Mode Matching
and Gouy Phase Between Steering Mirrors
 CurrentOpticalLayout.pngNewSetUp.PNGAlaModeSolutionplots.pngEntireScaleRangeAlaModeSolution.pngNewXarmOptimizationFromFaraday.m 
  10195   Mon Jul 14 16:19:41 2014 AndresUpdate40m Xend Table upgradeTook the measurement for the Mode Matching Nick
and I measured the reflected power of the
green light in locked and unlocked. I'm working
  
  10207   Tue Jul 15 22:23:51 2014 AndresUpdate40m Xend Table upgradeScan the Xarm for the mode matching Nick and I with the help of Jenne
scan the green light when the cavity is unlocked.
Nick placed a Beam dump on the IR so that
  
  10226   Thu Jul 17 02:57:32 2014 AndresUpdate40m Xend Table upgradeFInish Calculation on Current X-arm mode MatchingData and Calculation for the
Xarm Current Mode Matching
 RawDataForTheModeGreenScan.pngResultForModeMatching.pngDataAndCalculationOfModeMismatch.zip 
  10237   Fri Jul 18 16:52:56 2014 AndresUpdate40m Xend Table upgradeFInish Calculation on Current X-arm mode Matching

    

       
            
 OldAndNewSetupPlotsOfDisplacementAndAngleAtTheETM.pngOldSetUpDisplacementAndNewSetup.m.zip 
  10290   Tue Jul 29 20:14:08 2014 AndresUpdate40m Xend Table upgradeXarm Green steering mirror upgrade Xarm Green Steering Mirror Upgrade
Nick
and I did the upgrade for the green steering
mirror today. 
  
  10291   Tue Jul 29 20:14:10 2014 KojiUpdate40m Xend Table upgradeXarm Green steering mirror upgradeThat
was super fast! Great job, Andres and Nic!
  
  10296   Wed Jul 30 10:16:54 2014 AndresUpdate40m Xend Table upgradeGreen Steering Mirror Upgrade completedGreen Steering Mirror Update
Yesterday,
Nick and I completed the green steering mirrors
upgrade. I attached the file that contained
 XarmUpgrade.pdfdWaistSize_dlensVsdWaistPosition_dlens.pngXarmNewOpticalSetup.PNG 
  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.
  
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