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ID Date Author Type Category Subjectup Text Attachments
  7728   Mon Nov 19 22:42:14 2012 KojiConfiguration40m UpgradingEndtable upgrade for auxiliary green laser : ETMX layout on new table
    I don't like the idea to
place the cylindrical lenses right in front
of the laser. 
  
  7813   Wed Dec 12 11:04:45 2012 ManasaConfiguration40m UpgradingEndtable upgrade for auxiliary green laser : ETMX layout on new tableI have updated the layout to fix all the
issues brought up. The last couple of 2"
green steering mirrors will hold the PZTs
 ETMX_endtable_New_Model.png 
  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 
  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

    

       
            
  
  8341   Mon Mar 25 18:42:38 2013 ManasaUpdate40m UpgradingEndtable upgrade for auxiliary green laser : Timeline Endtable upgrade - timeline and progress
chart. End table upgrade wiki page updated.
 
 Endtable_progress.pdf 
  8228   Tue Mar 5 00:24:52 2013 ManasaConfiguration40m UpgradingEndtable upgrade for auxiliary green laser : customized mount Drawing of customized mount for endtable
doubler crystal (PV40+PVP2+NP9071) modified
and updated on the endtable upgrade wiki
  
  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
  
  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
  
  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 
  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
  
  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
  
  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 
  7889   Thu Jan 10 12:41:06 2013 ManasaConfiguration40m UpgradingEndtable upgrade for auxiliary green laser : wiki page 
I have created a wiki page linked here with
  
  3762   Fri Oct 22 16:59:21 2010 JenneUpdateElectronicsEpic TakeoverAs the suspension work winds down (we'll
be completely done once the ETMs arrive,
are suspended, and then are placed in the
  
  3764   Fri Oct 22 18:22:27 2010 AlbertoUpdateElectronicsEpic Takeover


   
        
            
  
  15007   Mon Nov 4 11:41:28 2019 shrutiUpdateComputer Scripts / ProgramsEpics installed on donatellaI've installed pyepics on Donatella
running

sudo yum install pyepics
  
  12828   Tue Feb 14 10:43:06 2017 gautamBureaucracyEquipment loanEquipment to Cryo LabPZT   
  9660   Fri Feb 21 12:45:57 2014 ericqUpdateLSCEquivalent Displacement Noise from QPD Dark Noise in SQRTINVEQ UPDATE: Measured it wrong the first
time, fixed now.
I measured the spectra of the SQRTINV
 SQRTINVspectra.pdfSQRTINV_DarkNoise.pdf 
  9693   Wed Mar 5 18:04:36 2014 ericqUpdateLSCEquivalent Displacement Noise from QPD Dark Noise in SQRTINVAt today's meeting, it was suspected that
these noise levels were far too low. (ELOG
 calc1.jpgcalc2.jpgSQRTINVspectra.dat.zipdarkTransmonSpec.py 
  11525   Mon Aug 24 14:05:47 2015 ericqUpdateSUSEricG Investigating L2AThis afternoon, I showed Eric Gustafson
some of the basics of making swept sine measurements
with DTT. We turned off the f2a filters and
  
  15178   Thu Jan 30 17:31:28 2020 JonUpdatePSLErrant FSS_INOFFSET changeA script I was testing errantly set C1:PSL-FSS_INOFFSET
=> 10 V at about 5:30 pm. I manually reverted
the channel value to 0, but I don't know
  
  15179   Thu Jan 30 17:41:10 2020 gautamUpdatePSLErrant FSS_INOFFSET changeYou can trend the data for the past few
hours and see what the appropriate value.
I think
  
  1175   Thu Dec 4 16:29:20 2008 josephbConfigurationComputersError message on Frame Builder Raid ArrayThe Fibrenetix FX-606-U4 RAID connected to
the frame builder in 1Y7 is showing the following
error message: IDE Channel #4  Error Reading
  
  17010   Mon Jul 18 04:42:54 2022 AnchalUpdateCalibrationError propagation to astrophysical parameters from detector calibration uncertaintyWe can calculate how much detector calibration
uncertainty affects the estimation of astrophysical
parameters using the following method:
 BNSparamsErrorwrtfdError-merged.pdfBBHparamsErrorwrtfdError-merged.pdfBNSparamsEPSwrtCalError.pdfBBHparamsEPSwrtCalError.pdf 
  17011   Mon Jul 18 15:17:51 2022 HangUpdateCalibrationError propagation to astrophysical parameters from detector calibration uncertainty1. In the error propogation equation, it
should be \Delta \Theta = -H^{-1} M \Delta
\Lambda, instead of the fractional error. 
  
  17017   Tue Jul 19 07:34:46 2022 AnchalUpdateCalibrationError propagation to astrophysical parameters from detector calibration uncertaintyAddressing the comments as numbered:


Yeah, that's correct,
that equation normally 
 BNSparamsErrorwrtfdError.pdfBBHparamsErrorwrtfdError.pdfBNSparamsEPSwrtCalError.pdfBBHparamsEPSwrtCalError.pdf 
  17029   Sun Jul 24 08:56:01 2022 HangUpdateCalibrationError propagation to astrophysical parameters from detector calibration uncertaintySorry I forgot to put tc & phic in
the example. 

I modified astroFisherLib.py
  
  11119   Sun Mar 8 03:27:48 2015 JenneUpdateLSCError signal blending for CARM/DARM transitionsThis elog will be about work that happened
yesterday.  I will write a reply to
this with work from this evening's success.
  
  11120   Sun Mar 8 04:04:19 2015 JenneUpdateLSCError signal blending for CARM/DARM transitionsAs I (very excitedly) reported in elog
11116, I was able to follow the error
signal blending procedure from last night,
  
  11121   Sun Mar 8 13:51:41 2015 ranaUpdateLSCError signal blending for CARM/DARM transitionsAccording
to the official rules, we only need 8 seconds
  
  11122   Mon Mar 9 14:14:32 2015 JenneUpdateLSCError signal blending for CARM/DARM transitionsHere is a longer stretch of data, from
the first RF-only lock on Saturday night.
 Unfortunately daqd had died about 400
 First-ever_RFonly_lock_7March2015.pngSecond-ever_RFonly_lock_7March2015.png 
  8401   Wed Apr 3 14:46:17 2013 GabrieleSummaryLSCError signal simulation in PRMIHere is a summary of a simulation of the
error signal behavior in the PRMI configuration.
The main parameters are: 
 14x 
  8537   Tue May 7 16:21:01 2013 JenneSummaryLSCError signal simulation in PRMII asked Gabriele why it looked like for
the PRCL sweep REFL 55 I&Q were zero
at zero, but for the MICH sweep only REFL55
 8x 
  10887   Tue Jan 13 00:42:15 2015 JenneUpdateLSCError signals for MICH with variable finesse techniqueIn order to know where we should try to
make the transition from REFL##Q to ASDC
for MICH, I did a quick Optickle simulation
 ErrSigs_vsMICHoffset_PRMI.pngErrSigs_vsMICHoffset_PRFPMI_3nmCARMoffset.pngErrSigs_vsMICHoffset_PRFPMI_1nmCARMoffset.pngErrSigs_vsMICHoffset_PRFPMI_0nmCARMoffset.pngErrSigs_vsMICHoffset_PRFPMI_3nmCARMoffset_zoom.png 
  8250   Thu Mar 7 12:39:12 2013 JenneUpdateLockingErudite discussion on PRMI locking[Rana, Jenne, Yuta] (late last night)
After some trouble getting the PRMI
to lock with REFL55 I&Q last night, we
  
  8251   Thu Mar 7 16:55:28 2013 KojiUpdateLockingErudite discussion on PRMI lockingPRMI for the sidebands may have different
situation. Investigate our wiki to find our
the simulation result.
  
  13023   Wed May 31 14:23:42 2017 jigyasaUpdateComputer Scripts / ProgramsEstablishing the EPICs channels for the GigETo set up the EPICs channels for the GigE,
Gautam and I followed the steps in the elog
by him  8957
  
  9490   Wed Dec 18 17:28:50 2013 GabrieleSummaryLSCEstimate of the PRC length errorMeasurement 
Looking back at what I did in april
(see log
 data_fit2.pngdata_kick.pngpop110_vs_dL.pngpop110_vs_dL.png 
  9493   Thu Dec 19 12:51:57 2013 JenneSummaryLSCEstimate of the sign of the PRC length errorMy hunch is that the PRC is SHORT
by a few cm, not long. 
In my Optickle simulation, the sidebands
 DesignLength.pngPlus5cm.pngMinus5cm.png 
  9495   Thu Dec 19 18:33:25 2013 GabrieleSummaryLSCEstimate of the sign of the PRC length errorMaybe I'm getting confused,
but I still believe there is no way to decide
the direction from yesterday's measurement.
  
  10706   Wed Nov 12 22:22:11 2014 KojiSummaryIOOEstimation of the angular jitter imposed by the TTs[Koji, Rana, Jenne]
One coil of the TT produce 36nrad/rtHz
at DC.
 03.png 
  444   Thu Apr 24 22:06:47 2008 AndreySummaryComputersEthernet Cables and HubsToday in the morning (between 8.30AM and noon)
Joe and I were working on understanding which
ethernet cables connect "processors controlling
  
  7691   Thu Nov 8 22:04:43 2012 CharlesUpdateElectronicsEthernet Illuminator ControlConfigured ethernet controlled power strips
to have static IP addresses: 192.168.113.110,
192.168.113.111 and 192.168.113.112.
  
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