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ID Date Author Type Category Subjectup Text Attachments
  823   Mon Aug 11 12:42:04 2008 josephbConfigurationComputersContinuing saga of c1susvme1Coming back after lunch around 12:30pm, c1susvme1's
status was again red.  After switching off
watchdogs, a reboot (ssh, su, reboot) and
  
  12564   Fri Oct 14 19:59:09 2016 YinziUpdateGreen LockingContinuing work with the TC 200Oct. 15, 2016

Another attempt (following elog
8755)
  
  12190   Thu Jun 16 15:57:46 2016 gautamUpdateCOCContrast as a function of RoC of ETMXSummary

In a previous elog, I demonstrated
that the RoC mismatch between ETMX and
 contrastDefect.pdffinesseCode.zip 
  12193   Thu Jun 16 18:42:12 2016 ranaUpdateCOCContrast as a function of RoC of ETMXThat sounds weird. If the ETMY RoC   
  12194   Thu Jun 16 23:02:57 2016 gautamUpdateCOCContrast as a function of RoC of ETMX


 contrastDefect.pdf 
  12197   Mon Jun 20 01:38:04 2016 ranaUpdateCOCContrast as a function of RoC of ETMXSo, it seems that changing the ETMX for
one of the spares will change the contrast
defect from ~0.1% to 0.9%. True? Seems like
  
  12204   Mon Jun 20 18:07:15 2016 gautamUpdateCOCContrast as a function of RoC of ETMX


 contrastDefectComparison.pdf 
  15595   Tue Sep 22 16:29:30 2020 KojiUpdateGeneralControl Room AC setting for continuous runningI came to the lab. The control room AC
was off -> Now it is on.

Here is the setting of the AC meant
 P_20200922_161125.jpg 
  7866   Thu Dec 20 19:46:20 2012 ranaConfigurationEnvironmentControl Room Projector Needs
 StevePurple.JPG 
  1927   Wed Aug 19 02:17:52 2009 ranaOmnistructureEnvironmentControl Room Workstation desks lowered to human heightThere were no injuries...Now we need to
get some new chairs.
  
  1931   Thu Aug 20 09:16:32 2009 steveHowToPhotosControl Room Workstation desks lowered to human height


   
        
            
 P1040788.pngP1040782.pngP1040786.pngP1040789.pngP1040785.png 
  14778   Fri Jul 19 15:54:47 2019 gautamUpdateGeneralControl room UPS Batteries need replacementThe control room UPS started making a beeping
noise saying batteries need replacement.
I hit the "Test" button and the
  
  7508   Mon Oct 8 23:58:57 2012 JenneUpdateSAFETYControl room emergency lights came on[Evan, Jenne]
We were sitting trying to lock MICH
(hooooorraaaayy!!!), and the emergency lights
  
  15541   Wed Aug 26 15:48:31 2020 gautamUpdateVACControl screen left open on vacuum workstationI found that the control MEDM screen was
left open on the c1vac workstation. This
should be closed every time you leave the
  
  841   Fri Aug 15 16:45:43 2008 SharonUpdate Converting from FIR to IIRI have been looking into different techniques
to convert from FIR to IIR. This is so we
can see how effective the adaptive FIR filter
 fir2iir50.pngfir2iir400.pngfir2iir1000.png 
  14678   Mon Jun 17 14:36:13 2019 MilindUpdateCamerasConvolutional neural networks for beam trackingBegun setting up an environment (as mentioned
before, on my local machine) and scripts
to run experiments with Convolutional
  
  14682   Tue Jun 18 22:54:59 2019 MilindUpdateCamerasConvolutional neural networks for beam trackingWorked further on this. I skimmed through
a few resources to look for details of what
pre-processing can be done. Here
  
  14694   Tue Jun 25 00:25:47 2019 MilindUpdateCamerasConvolutional neural networks for beam trackingIn the previous meeting, Koji pointed out
(once again) that I should determine if the
displacement values and frames are synchronized
 8x 
  14697   Tue Jun 25 22:14:10 2019 MilindUpdateCamerasConvolutional neural networks for beam trackingI discussed this with Gautam and he asked
me to come up with a list of signals that
I would need for my use and then design the
  
  14706   Thu Jun 27 20:48:22 2019 MilindUpdateCamerasConvolutional neural networks for beam trackingAnd
finally, a network is trained!

Result summary (TLDR :-P)
 readme.txtframe0.pdfLearning_curves.pngMotion.png 
  14726   Thu Jul 4 18:19:08 2019 MilindUpdateCamerasConvolutional neural networks for beam trackingThe quoted elog has figures which indicate
that the network did not learn (train or
generalize) on the used data. This is a scary
 Motion.pdfError.pdfLearning_curves.pdf 
  14734   Mon Jul 8 17:52:30 2019 MilindUpdateCamerasConvolutional neural networks for beam trackingAfter the two earthquakes, I collected
some data by dithering the optic and recording
the QPD readings. Today, I set up scripts
 Motion.pdf 
  14741   Tue Jul 9 22:13:26 2019 MilindUpdateCamerasConvolutional neural networks for beam trackingI received access today. After some incredible
hassle, I was able to set up my repository
and code on the remote system. Following
 predicted_motion_first.pdfpcdev5_time.png 
  14746   Wed Jul 10 22:32:38 2019 MilindUpdateCamerasConvolutional neural networks for beam trackingI trained a bunch (around 25 or so - to
tune hyperparameters) of networks today.
They were all CNNs. They all produced garbage.
  
  14809   Thu Jul 25 00:26:47 2019 MilindUpdateCamerasConvolutional neural networks for beam trackingSomehow I never got around to doing the
pixel sum thing for the new real data from
the GigE. Since I have to do it for the presentation,
 centroid.pdfsubplot_yaw_test.pdf 
  374   Thu Mar 13 03:07:19 2008 LisaMetaphysicsEnvironmentCoolness at the 40mMy first (and hopefully not last) week at
the [COLOR=orange]40m lab[/COLOR] is ending
:(
  
  14052   Wed Jul 11 16:23:21 2018 aaronUpdateOMCCoordination of the Output Mode-cleaner Mirror Insertion Expedition (COMMIE)I started this document on my own with
notes as I was tracing the beam path through
the output optics, as well as some notes
  
  14109   Fri Jul 27 17:16:14 2018 SandrineUpdateThermal CompensationCopied working scripts for mode spectroscopy into new directory (modeSpec)The scripts: AGfast.py, make HDF5.py, plotSpec_marconi.py,
and SandrineFitv3.py were copied into the
new directory modeSpec.
  
  3260   Wed Jul 21 15:43:38 2010 MeganSummaryPSLCopper Layer Thickness on the Reference CavityUsing the equation for thermal resistance
Rthermal = L/(k*A)
where k is the thermal conductivity
  
  4930   Fri Jul 1 18:41:53 2011 JamieUpdateSUSCore optic sus damping controllers normalizedI found many of the core optic (ETMs, ITMs,
BS, PRM, SRM) suspension DOF damping controllers
(SUSPOS, SUSPIT, SUSYAW, SUSSIDE) to be in
  
  5099   Tue Aug 2 23:14:21 2011 NicoleUpdateSUSCorrected Screw Alignment in TT Suspension BaseThe TT suspension base was not able to
be securely mounted to the optical table
(i.e. mounted with 4 screws)
 newholes.jpgmountedmirrorflash.jpg 
  7148   Fri Aug 10 18:11:55 2012 YaakovUpdateSTACISCorrected noise budget, plan for external actuationI hope you're not all tired of the STACIs
noise budgets, because I have another one!
Here, the main difference is my modeling
 6x 
  7328   Fri Aug 31 13:22:29 2012 ElliUpdateIOOCorrecting improper termination of the 55MHz input to the EOMKoji, Riju, Elli
This morning Koji discovered that
the 55MHz input into the RF combiner that
  
  7332   Fri Aug 31 18:32:47 2012 KojiUpdateIOOCorrecting improper termination of the 55MHz input to the EOM 
The power switch of the frequency
source was mechanically broken. I replace
  
  1037   Wed Oct 8 23:18:23 2008 YoichiUpdatePSLCorrelation between the Sorensen switching noise and the FSS error signalI took some spectra and coherence function
of the FSS error signal and the +24V Sorensen
power line.
 PowerLineSpe.pngCoherence.png 
  597   Sun Jun 29 20:29:48 2008 ranaUpdatePSLCorrelation of PSL SLOW control v. Room temperature   slowtemp.png 
  2025   Tue Sep 29 23:43:49 2009 ranaAoGall down cond.Cosmic   Actel1.jpg 
  3858   Wed Nov 3 23:58:45 2010 ranaUpdateElectronicsCougarsI looked at this web page: http://www.teledyne-cougar.com/Index.asp
for the RF company that Rich has recently
started using.
  
  10264   Wed Jul 23 17:54:51 2014 HarryUpdateGeneralCoupling Improvements plus PER Measurement Setup Purpose
We wanted to improve the coupling
into the fibers, because it's very rarely
 PERSetup.png 
  10271   Thu Jul 24 17:37:19 2014 HarryUpdateGeneralCoupling Improvements plus PER Measurement Setup

    

       
            
  
  10175   Thu Jul 10 15:27:09 2014 HarryUpdateGeneralCoupling telescope design I designed this telescope to couple
the 1064 NPRO into the PM980 fiber, using
lenses from the Thorlabs LSB04-C kit.
 telescopeBeamProfile.pngtelescope.zip 
  10179   Thu Jul 10 18:25:18 2014 KojiUpdateGeneralCoupling telescope designCFC-2X-C has a FIXED focal length of 2mm,
but the collimator lens position is adjustable.
I'm not yet sure this affects your
  
  10182   Fri Jul 11 09:41:43 2014 not KojiUpdateGeneralCoupling telescope design

    

       
            
  
  3403   Wed Aug 11 16:56:00 2010 KojiSummaryEnvironmentCovering of the IFOKatharine, Sharmila, Gopal, Kiwamu,
Jenne, Aidan, Steve, and Koji
A guy from the carpenter shop has
 IMG_2732.jpg 
  5129   Fri Aug 5 22:54:29 2011 kiwamuMetaphysicsTreasureCrane crew here Monday morningAlso, according to Steve, there will be some
crane guys for fixing the Y end crane issue
  
  3312   Wed Jul 28 16:42:21 2010 steveUpdateGeneralCrane gear box cheched


   
        
            
 P1060503.JPGP1060511.JPGP1060515.JPGP1060517.JPG 
  15544   Fri Aug 28 11:41:23 2020 gautamBureaucracysafetyCrane inspection 2020Mr Fred Goodbar of Konacrane was in the
lab 830am-1130am today. All three cranes
in the VEA were inspected, loaded with 450lb
  
  2015   Mon Sep 28 23:44:18 2009 KojiOmnistructureSAFETYCrappy power outletJenne, Koji
Tonight we found that the wireless
for Martian network was down. 
  
  4978   Fri Jul 15 19:00:18 2011 dmassMetaphysicselogCrashesElog crashed a couple times, restarted
it a couple times.
  
  2990   Wed May 26 12:59:26 2010 josephbUpdateCDSCreated sus, sup, scx, spx modelsI created the sus model, which is the suspension
controller for ITMX, ITMY, BS, PRM, SRM. 
I also created sup, which is the suspension
  
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