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ID Date Authorup Type Category Subject Text Attachments
  11   Wed Nov 28 16:20:04 2007 Andrey Lab InfrastructureGeneralEnclosure cleaningPrevious Tuesday, Nov. 20, I tried to wipe
the curtain plastic enclosure around the
optical table with the laser using methanol.
  
  504   Fri Dec 18 13:27:12 2009 DmassLaserDoublingConfusion Abounds ^3


   
        
            
 MZACCoupTFALL.pdf 
  505   Fri Dec 18 15:42:22 2009 DmassLaserDoublingConfusion Abounds ^3


   
        
            
  
  288   Thu Aug 27 21:40:20 2009 (not) AlastairLab Infrastructurestuff happensLenses


   
        
            
  
  939   Mon Aug 16 18:56:28 2010 1954 B-movieLab InfrastructureANTS!How do we get rid of ants?

  
  1445   Fri Jul 8 12:19:46 2011 ???Mystery contributor???LaserGYRONoise in temp measurement... ??....this
looks like its all ADC noise. 
  
  82   Tue Sep 2 11:01:00 2008 AidanElectronicsFiberFiber stabilization loop diagramAttached is a diagram of the current version
of the stabilization loop. The beam (red)
into the AOM is the output from the fiber
 masha_layout_elec.png 
  83   Tue Sep 2 15:06:42 2008 AidanLaserFiberAttempted calibration of fiber noise ... issues!
I tried to calibrate the fiber phase noise
measurements in DTT by determining the fringe
 peak_peak_calibration.pdf 
  85   Tue Sep 2 23:09:38 2008 AidanLaserFiberAttempted calibration of fiber noise. NPRO current = 1.903A[quote]
I tried to calibrate the fiber phase noise
measurements in DTT by determining the fringe
 peak_peak_calibration_1903mA.eps 
  86   Wed Sep 3 13:35:56 2008 AidanLaserFiberCalibrated noise spectra ... does not agree with previous measurementsI recorded the closed loop, open loop and
electronics noise in the current fiber stabilization
system (single-pass through fiber, AOM after
 noise_calibrated_080902.jpgnoise_calibrated_080902.eps 
  88   Wed Sep 3 18:22:20 2008 AidanLaserFiberCalibrated noise spectra ... does not agree with previous measurements[quote]I recorded the closed loop, open loop
and electronics noise in the current fiber
stabilization system (single-pass through
  
  96   Mon Sep 22 20:20:25 2008 AidanLaserFiberFringe magnitude fluctuation investigation
The attached photo shows the fiber coupler
in question and the ROLL angle adjustment
 fiber_coupler_rotation_angle_output_fluctuation.jpg00003.jpg 
  97   Tue Sep 23 10:15:15 2008 AidanLaserFiberFringe magnitude fluctuation investigation - why isn' the maximum 45 degrees from the minimum?[quote]
The attached photo shows the fiber coupler
in question and the ROLL angle adjustment
  
  98   Tue Sep 23 12:10:08 2008 AidanLaserFiberMaximized fiber coupler ROLL angle.
Set the input fiber coupler roll angle to
190 degrees on the graduated scale. Rotated
  
  100   Thu Oct 9 08:47:54 2008 AidanLaserFiberDismantled fiber stabilization setup

Packed up the current setup. Am going to
  
  102   Tue Nov 25 17:12:01 2008 AidanThings to BuyFiberResidual things to buy for FS
A large fraction of the equipment is already
in the lab from Masha's experiment earlier
 adhikari_lab_v1C.jpg 
  103   Tue Nov 25 17:30:32 2008 AidanLaserFiberPreliminary noise budgets for fibre stabilization
Here are some preliminary noise budgets for
the FS experiment ... or rather, the setup
 simulation_v1B.jpgphaseNoiseBudget-NPRO-PDA255.pdffreqNoiseBudget-NPRO-PDA255.pdf 
  104   Thu Jan 8 19:59:50 2009 AidanMiscGeneralEarthquake ...
Just felt the building shake. Didn't feel
as a large as last year's quake.
  
  105   Wed Jan 14 11:33:58 2009 AidanThings to BuyFiberResidual things to buy for FS - QWPs, HWPs, output coupler[quote]
A large fraction of the equipment is already
in the lab from Masha's experiment earlier
  
  106   Wed Jan 14 18:14:23 2009 AidanThings to BuyFiberResidual things to buy for FS - extra photodiodes[quote][quote]
A large fraction of the equipment is already
in the lab from Masha's experiment earlier
  
  114   Fri Apr 17 20:05:59 2009 AidanLab InfrastructureGeneralAnother workbench and a filing cabinetWe're starting to accumulate a lot of loose
data sheets and other paraphernalia. We should
arrange to get a small filing cabinet down
  
  122   Fri May 1 16:39:12 2009 AidanComputingCDSRCG make screwiness - how do i clean up old and failed makes?Had problems compiling/making the Realtime
Code Generator (RCG) example application
in the document T080135-00-C.
  
  123   Tue May 5 14:43:05 2009 AidanComputingCDSRCG make screwiness - how do i clean up old and failed makes? 
Found uninstall solution in DMass's
elog entry:
  
  124   Tue May 5 16:36:40 2009 AidanComputingCDSRealtime code generation (RCG) troubleshootingUseful things to try when making Simulink
models with RCG

1.
When making a new model foo.mdl use
  
  130   Fri May 15 17:32:30 2009 AidanComputingFiberStarted screen for Fiber Stabilization - and claiming CDS channelsI'd like to use ADC channels 13-16 for
the photodiodes in the FS experiment. Also
going to use DAC channel 16 for feeding back
 Screenshot-C2ATF_FS_CONTROL.adl.pngScreenshot-C2ATF_MASTER.adl.png 
  134   Sat May 23 16:04:57 2009 AidanLaserFiberBlocking out FS experiment ... I've started to to block out the
parts for the fiber stabilization experiment
as in the attached layout ... basically to
 Table_Layout_v1.0.jpgphoto.jpgphoto1.jpg 
  135   Sat May 23 17:19:08 2009 AidanThings to BuyGeneralClamps, pedestals, mirror mounts, photodiodesUnless there is another stash somewhere,
we are now short of clamps (two or three
are now spare), 3" pedestals (four or
  
  136   Sat May 23 17:22:58 2009 AidanLaserFiberFS expt is blocked outI have blocked out the FS experiment. The
following stuff is not installed:
1. Partial reflector (PR1-1064-95-IF-1037)
  
  137   Sat May 23 17:39:46 2009 AidanLaserFiberFS expt is blocked out 

    
  
  138   Mon May 25 16:31:36 2009 AidanLaserFiberPhoto of FS setup   photo5.jpg 
  148   Thu Jul 2 15:37:57 2009 AidanMiscFiberWeekly Report - query on previous reply


   
        
            
  
  150   Fri Jul 3 19:49:30 2009 AidanComputingDAQDAQ Map medm screen - Connectors and Channel namesI've created an medm screen that displays
the current data channels associated with
each of the connectors on the front of the
 C2ATF_DAQ_MAP.png 
  151   Fri Jul 3 21:26:13 2009 AidanComputingDAQDAQ Map medm screen - added channel frame acquisition status


   
        
            
 C2ATF_DAQ_MAP_v1.1.png 
  156   Tue Jul 7 09:26:48 2009 AidanComputingDAQFrame builder not restarting ... 
I tried to reboot the frame builder
last night, as below, and now it won't restart
  
  157   Tue Jul 7 15:16:35 2009 AidanComputingDAQFrame builder not restarting ... fixed!Fixed!
The problem was a typo that had cropped
up in 
  
  165   Thu Jul 9 10:45:16 2009 AidanComputingDAQAlex's frame builder problem diagnosis ... 
This from Alex: 
 
  
  166   Thu Jul 9 10:46:52 2009 AidanComputingDAQDeleted old /frame/full directories and rebuilt directory structure ... 
This was also from Alex:
 
  
  168   Thu Jul 9 13:29:08 2009 AidanComputingDAQMore from Alex on frame builder disk being full Hey Alex,   
  183   Sun Jul 19 09:44:09 2009 AidanComputingGeneralAliases added for standard LIGO tools 
I've updated the /home/controls/.bashrc
file to include some aliases to standard
  
  192   Wed Jul 22 20:40:13 2009 AidanLab InfrastructurefubarFiling cabinet lock engaged ... with no keyThis happened mysteriously and had absolutely
nothing to with me. The fact that I was the
last person to open the filing cabinet before
  
  193   Thu Jul 23 07:22:35 2009 AidanComputingCDSChecked out the 40m MEDM screens from SVN to /cvs/cds/caltech/medm/c1 
As title says ...
  
  194   Thu Jul 23 07:33:41 2009 AidanComputingCDSAdded C2 MEDM screens to 40m SVN. 
I've added our medm screens from
the ATF to the 40m SVN. They can be found
  
  232   Thu Aug 6 09:55:39 2009 AidanComputingDAQAnd it all comes crashing down again ...
It appears that the frame builder
  
  240   Mon Aug 10 08:43:22 2009 AidanLaserFiberDC intensity noise measurement over the weekend 
Friday 7th Aug 2009
2009-08-08 00:18:45 UTC - switched
 2009-08-10_two_day_DC_level.pdf 
  244   Mon Aug 10 20:14:11 2009 AidanLab InfrastructurefubarFiling cabinet lock engaged ... with no key


   
        
            
  
  248   Tue Aug 11 15:33:38 2009 AidanElectronicsGeneralMarconi Memory Settings 101 and 102DMass and I have been using the Marconi
a lot recently, each with different settings.
I saved these into its memory and they can
 Memory_101.pngMemory_102.png 
  249   Tue Aug 11 16:38:25 2009 AidanThings to BuyGeneralOrdered mixers, splitters, LPFs and HPFs 
I've ordered the following:
Mini Circuits
  
  250   Tue Aug 11 18:14:49 2009 AidanMiscGeneralHive of activity ...   00001.png 
  257   Wed Aug 12 11:19:57 2009 AidanThings to BuyGeneralNew Focus Order pending ...Going to order 15x 2.5" pedestals
from New Focus. Will submit order this afternoon.
  
  258   Wed Aug 12 14:12:22 2009 AidanThings to BuyGeneralNew Focus Order pending ...

    

       
            
  
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