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ID Date Author Type Category Subjectup Text Attachments
  16651   Mon Feb 7 16:53:02 2022 KojiUpdateGeneralScheduled power outage recoveryI went to the X end and found it was warm.
Turned out that not all the A/Cs were on.
They were turned on now.
 PXL_20220208_001646282.jpgPXL_20220208_001657871.jpg 
  16665   Fri Feb 11 11:17:00 2022 AnchalUpdateGeneralScheduled power outage recoveryI found that two computers are not powering
up in the control room, Ottavia and Allegra.
Allegra was important for us as it had the
  
  16671   Mon Feb 14 21:03:25 2022 KojiUpdateGeneralScheduled power outage recoveryI opened the boxes. Allegra has obvious
vent of at least 4 caps. And the power supply
did not respond even a paper clip test was
 PXL_20220215_025325118.jpg 
  16669   Mon Feb 14 18:31:50 2022 PacoUpdateGeneralScheduled power outage recovery - IMC recovery progress[Paco, Anchal, Tega]

We have been realigning the IMC
as of last Friday (02/11). Today we made
  
  16672   Tue Feb 15 19:32:50 2022 KojiUpdateGeneralScheduled power outage recovery - IMC recovery progressReduced the IMC power to 100mW

Setup: The power
meter was placed right before the final aperture
 PXL_20220216_001731377.jpgScreen_Shot_2022-02-15_at_16.18.16.pngPXL_20220216_001727465.jpgScreen_Shot_2022-02-15_at_16.22.16.pngPXL_20220216_002229572.jpg 
  16667   Fri Feb 11 16:09:11 2022 AnchalUpdateGeneralScheduled power outage recovery - Input power increasedWe increased the input power to IMC by
replacing the 98% transmission BS by a 10%
transmission BS on the detection table (reverse
  
  16655   Wed Feb 9 16:43:35 2022 PacoUpdateGeneralScheduled power outage recovery - Locking mode cleaner(s)[Paco, Anchal]


We went in and measured
the power after the power splitting HWP at
  
  16657   Thu Feb 10 15:41:00 2022 AnchalUpdateGeneralScheduled power outage recovery - Locking mode cleaner(s)I found out that the ESP300 service needs
to be run in root mode for it to be able
to connect to the USB port of HWP motor controller.
  
  16658   Thu Feb 10 17:57:48 2022 AnchalUpdateGeneralScheduled power outage recovery - Locking mode cleaner(s)Something is wrong with the Video MUX.
The system did not turn back on with full
functionality. Even though we see the screens
 PXL_20220211_021509819.jpg 
  16659   Thu Feb 10 19:03:23 2022 KojiUpdateGeneralScheduled power outage recovery - Locking mode cleaner(s)I came back to the 40m and started the
investigation.

If I ping 192.168.113.92, it responds.
  
  16660   Thu Feb 10 19:46:37 2022 KojiUpdateGeneralScheduled power outage recovery - Locking mode cleaner(s)==
Assign new IP address to c1sus2 ==

cf: [40m
  
  15956   Wed Mar 24 00:51:19 2021 gautamUpdateLSCSchnupp asymmetryI used the Valera technique to measure
the Schnupp asymmetry to be 
 Lsch.pdf 
  16264   Wed Jul 28 17:10:24 2021 AnchalUpdateLSCSchnupp asymmetry[Anchal, Paco]

I redid the measurement of Schnupp
asymmetry today and found it to be 3.8 cm
 Lsch.pdf 
  4821   Wed Jun 15 01:30:38 2011 JamieSummaryLSCSchnupp asymmetry measurementMeasurement of Schnupp asymmetry
This
was done by measuring the relative phase
between the sidebands reflected from the
 schnupp.pngarm_phase.pyplot.pyschnupp_ETMX.pikschnupp_ETMY.pik 
  6151   Tue Dec 27 16:56:15 2011 kiwamuUpdateLSCScmitt trigger installedThe old
trigger system has been replaced by Schmitt
 trigger_time_series.pngtrig_mat.pngmodel_trigger_edit.png 
  3935   Tue Nov 16 21:42:31 2010 ranaUpdateCDSScreen Time FixI learned today that the following python
code will do a find/replace to fix the TIME
string on any MEDM screen which has a whited
  
  3938   Wed Nov 17 10:39:20 2010 josephbUpdateCDSScreen Time FixAn improved python code to apply a replacement
to all *.adl files in a directory would be:
import
  
  3652   Tue Oct 5 16:30:00 2010 josephb, yutaHowToCDSScreen settings and medm screens for new systemYou can find the sitemap medm screen in
/opt/rtcds/caltech/c1/medm/master
The settings for the screens were
  
  5772   Mon Oct 31 19:39:00 2011 JenneUpdateAdaptive FilteringScreens, code, computers[Mirko, Jenne]
I finished (mostly? maybe?) the OAF
screens.  They're pretty awesome. 
  
  1617   Thu May 21 18:07:32 2009 ranaUpdatePSLScrew on Needle valve loosenedAlberto and I went in to loosen up the needle
valve yesterday around 4:30 PM. The idea
was to cut down on 
 Untitled.png 
  13078   Fri Jun 23 02:55:18 2017 KaustubhUpdateComputer Scripts / ProgramsScript RunningI am leaving a script running on the Pianoso
for the night. For this purpose, even
the AG4395A is kept on. I'll see the
  
  5634   Fri Oct 7 22:41:05 2011 KojiConfigurationGeneralScript backup fixed Script backup regularly runs on
op340m by crontab,
  
  11833   Tue Dec 1 17:16:31 2015 gautamUpdateCDSScript for copying BLRMS filtersWe've been talking about putting in
BLRMS filters for several channels - it would
be a pain to manually copy over the correct
 makeFilterFiles.bash.zip 
  9242   Wed Oct 16 02:08:05 2013 MasayukiUpdateGreen LockingScript for scan cavity.I wrote the script to scan the cavity using
ALS until it finds IR resonance . This script
is 
 scan-cavity.pngScan_ARMs.png 
  4136   Tue Jan 11 16:04:17 2011 josephbUpdateCDSScript to update web views of models for all installed front endsI wrote
a new script that is in /opt/rtcds/caltech/c1/scripts/AutoUpdate/
called  webview_simlink_update.m. 
  
  3998   Tue Nov 30 14:21:21 2010 ZachUpdateelogScript unnecessaryI didn't realize that the script in .../elog
was configured to start 2.8.0 already. I
will revert the instructions on the wiki
  
  14585   Mon Apr 29 19:23:49 2019 JonUpdateComputer Scripts / ProgramsScripted tests of suspension VMons using fast systemI've added a scripted VMon/coil-enable
test to PyIFOTest
following the suggestion in #15542.
  
  9655   Wed Feb 19 11:45:12 2014 JenneUpdateLSCScripts for ALS being modifiedWe
need to change several scripts for use with
the new ALS-in-the-LSC paradigm:
  
  9658   Wed Feb 19 18:21:33 2014 manasaUpdateLSCScripts for ALS modified

    

       
            
  
  11861   Tue Dec 8 11:24:45 2015 yutaroSummaryComputer Scripts / ProgramsScripts for loss map measurementHere I explain usage of my scripts
for loss map measurement. There are 7 script
files in a same directory /opt/rtcds/caltech/c1/scripts/lossmap_scripts. With
  
  1367   Fri Mar 6 18:22:42 2009 YoichiSummaryComputersScripts to restart the FE computersWhile doing locking, the FE computers are
overloaded sometimes and I have to reboot
them.
  
  11164   Tue Mar 24 10:53:30 2015 manasaUpdateGeneralScripts updated to the svnI found that the scripts in FOL and PDFR
directories were not in the svn. These were
added to the svn.
  
  9816   Wed Apr 16 01:51:16 2014 JenneUpdateLSCScripts written for ALS acquisition, CARM and DARM transitions[Jenne, EricQ]
This evening, as part of locking
activities, we threw together some handy
  
  14600   Thu May 9 22:26:39 2019 JonOmnistructurePSLSecond ADC added to PSL Acromag crateThis evening I added a second ADC module
to the prototype Acromag chassis. This chassis
can now read out all the PSL diagnostic channels.
 IMG_3291.jpg 
  11022   Fri Feb 13 14:27:30 2015 ericqUpdateElectronicsSecond QPD Whitening Switch enabledI have re-enabled the second whitening
stage switching on each quadrant of each
end's QPD whitening board, to try and
  
  11023   Fri Feb 13 14:59:13 2015 ericqUpdateElectronicsSecond QPD Whitening Switch enabledWent to zero CARM offset on ALS; transmission
QPDs are still saturating :(

Maybe we need to switch off all
  
  11024   Fri Feb 13 17:07:51 2015 JenneUpdateElectronicsSecond QPD Whitening Switch enabledI first updated the DCC branches for the
Xend and Yend to reflect the as-built situation
from December 2014, and then I updated the
  
  11025   Fri Feb 13 18:56:44 2015 ranaUpdateElectronicsSecond QPD Whitening Switch enabledDepends on the plots of the whitening I
guess; if its low freq sat, then we lower
the light level with ND filters. If its happening
  
  11049   Thu Feb 19 04:09:21 2015 ericqUpdateElectronicsSecond QPD Whitening Switch enabledX end QPD has recieved 0.2+0.4 absorptive
ND filters. Y end QPD got one at 0.6. This
appears to have mitigated the saturations
  
  8883   Fri Jul 19 22:51:40 2013 gautamConfigurationendtable upgradeSecond mirror glued to PZT and mounted  
I
 Piezo-mirror_2.JPG 
  8943   Tue Jul 30 19:44:05 2013 gautamConfigurationendtable upgradeSecond mirror glued to PZT and mounted  
 I have
  
  14393   Wed Jan 9 20:01:25 2019 JonUpdateVACSecond pumpdown completed[Jon, Koji, Chub, Gautam]

Summary

The
second pumpdown with the new vacuum system
 Screenshot_from_2019-01-09_20-00-39.pngIMG_3088.jpg 
  4800   Thu Jun 9 16:18:03 2011 josephbUpdateCDSSecond trends only go back 12 daysWhile
answering a quick question by Kiwamu, I noticed
we only had second trends going back to 99050000
  
  4803   Fri Jun 10 12:02:10 2011 ranaUpdateCDSSecond trends only go back 12 days


   
        
            
  
  650   Tue Jul 8 21:58:22 2008 albertoUpdateGeneralSecondaty beam aligned to the IFO beam againYesterday the alignment of the secondary beam
to the IFO was completely lost and today
I had to realign all the optics before I
  
  3489   Mon Aug 30 18:35:22 2010 JenneUpdateWienerFilteringSecret Hiding Place for Raw DataAs it turns out, data seems to fall off
the 16Tb drives after ~20 days.  Which
makes it a good thing that I saved all of
  
  7954   Tue Jan 29 14:34:42 2013 JenneUpdatePEMSecret Seis filters  
The BLRMS have been bad again, since
the computer crash of last week.  Finally
  
  657   Thu Jul 10 23:27:57 2008 JohnMetaphysicsCamerasSecret handshakesRob and I have joined the ranks of the illuminati
and exercised our power.
  
  10482   Wed Sep 10 02:35:54 2014 JenneHowToTreasureSecret scripts, revealed! I hereby confess to having a secret
script.  But it is secret no longer!
It's a "goLock" script,
  
  5573   Thu Sep 29 00:16:35 2011 DenUpdateComputersSegmentation fault fixed.The OAF c-code crashed because of the segmentation
fault. We've created arrays of static variables
  
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