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New entries since:Wed Dec 31 16:00:00 1969
ID Date Author Type Categorydown Subject Text Attachments
  1251   Fri Jan 23 16:33:27 2009 peteUpdateoplevsx-arm oplev calibrationsITMXpit 71 microrad/ct
ITMXyaw 77 microrad/ct
ETMXpit 430 microrad/ct
  
  1259   Thu Jan 29 17:24:41 2009 KakeruUpdateoplevsarm cavity oplev calibrationI calibrated optlevs again. My previous work
has a lot of mistakes, so ignore it.
  
  1377   Mon Mar 9 17:11:38 2009 AlbertoConfigurationoplevsoptical levers centeringYoichi, Alberto
this afternoon we centered the optical
levers for all the optics.
  
  1403   Sat Mar 14 22:53:12 2009 KakeruUpdateoplevsarm cavity oplev calibrationI finished a calibration of optical levers.

To calibrate oplevs, I locked appropriate
 oplev.pdf 
  1413   Fri Mar 20 15:37:58 2009 KakeruUpdateoplevsarm cavity oplev calibration
I calibrated several oplevs with OSEM signal
as a confirmation of my fitting method the
  
  1434   Thu Mar 26 09:08:18 2009 KakeruUpdateoplevsarm cavity oplev calibrationI uploaded a document about my oplev calibration.
/cvs/cds/caltech/users/kakeru/oplev_calibration/oplev.pdf
  
  1563   Fri May 8 04:46:01 2009 rana, yoichiSummaryoplevsBS/PRM/SRM table bad!We went to center the oplevs because they
were far off and found that (as usual) the
numbers changed
 a.png 
  1578   Tue May 12 17:26:56 2009 peteUpdateoplevsetmy oplev quad was badPete, Rob
After looking at some oplev noise
spectra in DTT, we discovered that the ETMY
 bad_oplev_quad.pdf 
  1580   Wed May 13 03:05:13 2009 peteUpdateoplevsetmy oplev quad was bad


   
        
            
  
  1644   Tue Jun 2 23:55:45 2009 AlbertoUpdateoplevsoplevs centerdTonight I centered the oplevs for ITMX/Y,
SRM, PRM, BS.
After doing that I noticed that the
  
  1662   Tue Jun 9 11:29:07 2009 JenneUpdateoplevsMeasured ETMY oplev beam size...put everything backI measured the ETMY oplev beam size at
a couple different distances away from the
HeNe by taking out the steering mirror and
  
  1786   Fri Jul 24 17:20:48 2009 JenneUpdateoplevsETMY oplev is iffyETMY oplev is currently a work in progress. 
The HeNe beam is hitting the photodiode,
but the spot size there is pretty much the
  
  1798   Mon Jul 27 17:48:44 2009 JenneUpdateoplevsETMY oplev is still down for the countETMY oplev is still out of order. 
Hopefully I'll get it under control by tomorrow. 
  
  2352   Fri Dec 4 21:48:01 2009 JenneUpdateoplevsOplevs centered, IP_POS and IP_ANG centered[Jenne Koji]
 We aligned the full IFO, and
centered all of the oplevs and the IP_POS
 Oplev_IPang_screenshot_4Dec2009.png 
  2353   Fri Dec 4 23:17:55 2009 robUpdateoplevsOplevs centered, IP_POS and IP_ANG centered


   
        
            
  
  2354   Sat Dec 5 01:40:11 2009 KojiUpdateoplevsOplevs centered, IP_POS and IP_ANG centeredWe restarted daqd and
it did restored the problem
http://lhocds.ligo-wa.caltech.edu:8000/40m/Computer_Restart_Procedures#fb40m
  
  2358   Sat Dec 5 18:23:48 2009 KojiUpdateoplevsOplevs centered, IP_POS and IP_ANG centeredNOTE: HEPA
is on at its full.
 Screenshot_091205_1830.png 
  2615   Fri Feb 19 02:38:32 2010 KojiConfigurationoplevsIntsant green oplevs for ITMs shooting from the endsI
set up instant green oplevs for ITMs.
A green laser pointer has been set
  
  438   Tue Apr 22 22:19:02 2008 robMetaphysicslorejiggling sliders
In the interests of tacit communication of
scientific knowledge, I here reveal a nugget
  
  1104   Sun Nov 2 20:21:58 2008 ranaConfigurationloreHP 5550dtn (Grazia) set up on allegraI set up printing to grazia from allegra.
The CUPS interface was not as straightforward
as Tobin had made it seem in the Wiki. I
  
  1217   Thu Jan 8 16:49:37 2009 ranaConfigurationloreHP 5550dtn (Grazia) set up on allegra[quote]I set up printing to grazia from allegra.
The CUPS interface was not as straightforward
as Tobin had made it seem in the Wiki. I
  
  1579   Wed May 13 02:53:12 2009 robSummaryloreChannel Hopping: That ancient enemy (MC problems)We were stymied tonight by a problem which
began late this afternoon.  The MC would
periodically go angularly unstable, breaking
  
  1582   Wed May 13 14:43:29 2009 robSummaryloreChannel Hopping: That ancient enemy (MC problems)


   
        
            
 MC3sidemon.png 
  2138   Fri Oct 23 15:02:00 2009 robUpdateloremarconi phaseSo, it appears that one doesn't even have
to change the Marconi set frequency to alter
the phase of the output signal.  It
  
  2139   Sat Oct 24 04:57:33 2009 ranaUpdateloremarconi phase


   
        
            
  
  2414   Mon Dec 14 15:18:18 2009 JenneUpdatelorearmLoss script ran....results confidentialI ran the armLoss script for both Xarm
and Yarm.  The results are confidential,
pending the completion of Alberto's cavity
  
  2566   Wed Feb 3 09:01:42 2010 robUpdateloreIFO isn't playing nice tonight


   
        
            
  
  2598   Fri Feb 12 14:19:28 2010 rana, steveHowToloreInternational FaxSteve showed me how to send an international
fax today:

    Load paper.
   
  
  3660   Wed Oct 6 14:49:54 2010 ranaSummaryloreSteve on the sea   jacques.jpg 
  4960   Mon Jul 11 14:03:37 2011 steveHowTolorehow to visit your old labAlberto is visiting us from Australia.
He brought some terrific presents. It is
going to be very demanding task to wait for
 P1080069.JPG 
  6694   Sun May 27 17:19:27 2012 ranaSummaryloreStrawberries We have placed some sweet giant strawberries
in the fridge; free for eating for anyone
working in the lab today or tomorrow:
 20120527_145826.jpg 
  8887   Mon Jul 22 03:10:41 2013 ranaSummaryloreAngel of the Y End Table? Trying to take an image or movie
of the ETMY Transmon cam, we got instead
this attached image.
 asdasd.jpg 
  8888   Mon Jul 22 06:58:17 2013 LisaSummaryloreAngel of the Y End Table?

    

       
            
 image.jpg 
  9966   Fri May 16 20:55:18 2014 JamieFrogsloreun-full-screening Ubuntu windows with F11Last week Rana and I struggled to figure
out how to un-full-screen windows on the
Ubuntu workstations that appeared to be stuck
  
  12915   Wed Mar 29 09:24:28 2017 SteveUpdateloresummery pagesThe summery pages are working at a slow
motion speed. It's response time 12 minutes.
  
  8606   Tue May 21 17:03:45 2013 SteveUpdateendtable upgradeenclosure tops are sealed

    

       
            
 ETMYoptable.jpgsurgtubclamps.jpgquickrelease.jpgreinforcbridge.jpg 
  8628   Thu May 23 12:02:48 2013 SteveUpdateendtable upgradeETMY - oplev Temporary oplev in place. The spot
on the qpd is still big. My two lens solution
did not work.
 ETMYopl.jpg 
  8655   Thu May 30 11:10:00 2013 SteveUpdateendtable upgradeETMY - oplev

    

       
            
 ETMYoplev.jpg 
  8660   Thu May 30 20:45:53 2013 AnnalisaUpdateendtable upgradeETMY - oplev

    

       
            
  
  8662   Fri May 31 11:15:01 2013 AnnalisaUpdateendtable upgradeETMY - Mode Matching for green - new calculation Since the beam waist after the Faraday
had changed since the last time I measured
it (maybe alignment changed a bit), I made
  
  8669   Tue Jun 4 10:44:13 2013 SteveUpdateendtable upgradePI pzt holders are readyThe PI pzt holders are back from the shop.
They are numbered 1, 2 & 3 and machined
to match.
 PIpztholders.jpg 
  8685   Thu Jun 6 09:58:13 2013 SteveUpdateendtable upgradeenclosure to chamber connection 
 Thin
wall connector from McMCarr#55275K25
 thinwallconnector.jpg06061301.PDF 
  8746   Tue Jun 25 19:18:07 2013 gautamConfigurationendtable upgradeplan of action for PZT installation  This entry is
meant to be a sort of inventory check and
  
  8800   Wed Jul 3 21:19:04 2013 gautamConfigurationendtable upgradeplan of action for PZT installation This is an update on the situation
as far as PZT installation is concerned.
I measured the required cable (PZT driver
 DAC_bank.pngASC_schematic.pdf 
  8804   Mon Jul 8 13:45:19 2013 gautamConfigurationendtable upgradeDriver board verificationWith the help of an expansion card,  I
verified that the + 15V and + 24V
from the eurocrate in the slot I've identified
  
  8823   Wed Jul 10 22:41:06 2013 gautamConfigurationendtable upgradePZT Driver Board I
did the following with the 
 HV_Amplifier.pdf 
  8827   Thu Jul 11 09:15:10 2013 SteveUpdateendtable upgradeETMY optable groundedETMY optical table top was grounded to
the ETMY chamber through 1 Mohms this morning.
I  also strain releifed
  
  8845   Mon Jul 15 11:51:18 2013 gautamConfigurationendtable upgradeDAC at 1Y4-Max Output and Power Spectrum Summary:
I measured the maximum output of
the DAC at 1Y4 as well as its power spectrum.
 max_amp.JPGmax_amp_all_channels.JPGDACOffPowerSpec.pdfDACOnPowerSpec.pdfDAC2kPowerSpectrum.pdf 
  8846   Mon Jul 15 13:51:17 2013 KojiConfigurationendtable upgradeDAC at 1Y4-Max Output and Power SpectrumWe need the unit of the voltage power spectrum
density to be V/sqrt(Hz).
  
  8848   Mon Jul 15 15:54:20 2013 gautamConfigurationendtable upgradeDAC at 1Y4- Power Spectrum -with the right units

    

       
            
 DACOffPSD.pdfDAC500PSD.pdfDAC2000PSD.pdf 
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