40m QIL Cryo_Lab CTN SUS_Lab TCS_Lab OMC_Lab CRIME_Lab FEA ENG_Labs OptContFac Mariner WBEEShop
  40m Log, Page 32 of 341  Not logged in ELOG logo
ID Date Author Typeup Category Subject Text Attachments
  4005   Thu Dec 2 00:34:32 2010 ranaHowToLSCHow Does Cavity Locking Work (answered by Nikon)https://nodus.ligo.caltech.edu:30889/gw.swf
  
  4128   Sun Jan 9 15:50:55 2011 ranaHowToPSLSetting the PMC gain   Untitled.png 
  4159   Fri Jan 14 20:37:00 2011 kiwamuHowToGreen Lockingplan for this month I summarized how we proceed our green
locking in this month on the wiki.
Since step1 and 2 shown on the wiki
 green_plan.png 
  4171   Thu Jan 20 00:39:22 2011 kiwamuHowToCDSDAQ setup : another trickHere
is another trick for the DAQ setup when you
add a DAQ channel associated with a new front
  
  4185   Fri Jan 21 23:17:54 2011 ranaHowToDAQDAQ Wiki FailureThe DAQ Wiki pages say to use port 8088
for restarting the Frame Builder. I tried
this to no avail.
  
  4194   Mon Jan 24 10:39:16 2011 josephbHowToDAQDAQ Wiki FailureActually
both port 8087 and 8088 work to talk to the
frame builder.  Don't let the lack of
  
  4271   Thu Feb 10 14:52:36 2011 AidanHowToComputersAdding filenames in MATLAB plotsThe following code is incredibly useful
when creating  MATLAB plots as it adds
the filename of the script to the plot itself.
  
  4432   Wed Mar 23 12:40:22 2011 Chief Recycling OfficerHowToEnvironmentRecycle stuff!The following is a message from the LIGO
40m Chief Recycling Officer:
  
  4498   Thu Apr 7 13:12:23 2011 KojiHowToVIDEOVideo switching tipLong time ago, I looked at the manual of
the video switcher. 
  
  4529   Fri Apr 15 02:30:24 2011 KojiHowToVIDEOVideo switching tipI have made a small python script to handle
the video matrix.
It is too far from the perfection,
  
  4801   Thu Jun 9 18:25:22 2011 kiwamuHowToCDSlook back a channel which doesn' exist any moreFor
some purposes I looked back the data of some
channels which don't exist any more.
  
  4813   Tue Jun 14 03:15:29 2011 KojiHowToComputer Scripts / ProgramsKissel Button GeneratorI have made a python script to generate
the button designed by Jeff Kissel for his
ISI screen.
 kissel_button.png 
  4820   Wed Jun 15 00:50:11 2011 KojiHowToComputer Scripts / ProgramsKissel Button GeneratorNow the Kissel-button generator takes the
command line arguments and options.
The script is fully documented by
  
  4887   Sun Jun 26 18:35:16 2011 ranaHowToSUSfree swing all opticsI used scripts/SUS/freeswing-all.csh to
give the optics a kick and then turn off
their watchdogs and collect the free swinging
 ringdown.png 
  4892   Tue Jun 28 01:18:53 2011 ranaHowToSUSfree swing all opticsChris Wipf tells me that the EPICS Mutex
Jumbo Mumbo can be overcome by upgrading
our EPICS. We should get one of Jamie's assistants
  
  4903   Tue Jun 28 22:07:46 2011 JamieHowToSAFETYEurocrate extender card fried (ie. Jamie did a very bad thing)IMPORTANT ELECTRONICS SAFETY
LESSON TO FOLLOW
Yesterday,
  
  4952   Thu Jul 7 10:25:34 2011 steveHowToGeneralcleaning out refregeratorPlease ask the owner unless  it is
rotten. Do not put food into garbage can
inside. Take them outside so you are not
  
  4953   Thu Jul 7 13:57:28 2011 steveHowToSAFETYhow not toI found baked allen keys on the top of
the clean optics cabinet.  Somewhat
heavy box that can come down in an earthquake
  
  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 
  4968   Thu Jul 14 17:34:35 2011 Ishwita, ManuelHowToWienerFilteringWiener-Hopf equationsSince we are using Wiener filtering in
our project, we studied the derivation of
Wiener-Hopf equations. Whatever we understood
 derivwf.pdf 
  4981   Mon Jul 18 10:24:48 2011 steveHowToGeneralsolvent bottles for cleaning opticsEach bottle has matched seals. They are
not interchangeable.
It is critical that the solvent do
 P1080090.JPG 
  5034   Mon Jul 25 23:43:20 2011 ManuelHowToElectronicsManual for 1201 Low Noise PreamplifierI found the manual for the Low Noise Preamplifier
Model 1201 at this
link and I attached it.
 ITHACO_1201_Instruction_&_Maintenance.pdfDSC_3249.png 
  5361   Wed Sep 7 18:19:37 2011 steveHowToVACstop pump down for overnight


   
        
            
  
  5376   Sat Sep 10 11:07:37 2011 ranaHowToSUSOptical Lever Servo Tuning thoughtsNow that we are in a moderately   
  5455   Mon Sep 19 02:33:34 2011 kiwamuHowToGeneralPlan for this weekGOAL1: 
Stable lock of DRMI
  
  5456   Mon Sep 19 11:49:32 2011 JenneHowToGeneralPlan for this week: SUS inversion


   
        
            
  
  5464   Mon Sep 19 16:44:16 2011 KeikoHowToLSCProcedure for the demodulation board check Here
I note the procedure for the demodulation
board orthogonality check for the future
  
  5603   Mon Oct 3 17:06:27 2011 JenneHowToComputer Scripts / ProgramsKissel Button Generator


   
        
            
  
  5650   Tue Oct 11 15:19:17 2011 ranaHowToEnvironment40m mapThe Kinemetrics dudes are  40mLabMap.png40mLabMap.jpg 
  5651   Tue Oct 11 17:32:05 2011 jamieHowToEnvironment40m google maps linkHere's another useful link:
http://maps.google.com/maps?q=34.13928,-118.123756
  
  5734   Tue Oct 25 11:48:02 2011 KatrinHowToElectronicssolder tiny smd op ampsYesterday, I had the great pleasure to
solder a tiny 4 x 4 mm op amp with 16 legs
(AD8336).
  
  5843   Tue Nov 8 19:08:21 2011 MirkoHowToComputersNew DV[quote]To use the new ligoDV (previously GEO
DV) to look at 40m data, open up a matlab,
set up for mDV as usual,
  
  6117   Wed Dec 14 12:22:00 2011 VladimirHowToComputersligo_viewer installed on pianosaI made a test installation of ligo_viewer
in
/users/volodya/ligo_viewer-0.5.0c
 ligo_viewer_40m2.png 
  6185   Wed Jan 11 14:06:28 2012 Leo SingerHowToComputer Scripts / ProgramsHowTo for getting data from NDS off site This may or may not be general knowledge
already, but Jamie and I added a HowTo explaining
how to retrieve channel data from the frame
  
  6383   Wed Mar 7 23:28:41 2012 Lab Cleanup CrewHowToEnvironmentTrue Beauty....Or,
how a lab should
look at the end of every day. 
 Clean_40m_Electronics_Bench.jpg 
  6389   Fri Mar 9 10:17:06 2012 steveHowToPEMdo not leave tables openType: How not to
Please do not leave optical tables
open! You will be held responsible for creating
 P1080547.JPG 
  6399   Sat Mar 10 15:29:47 2012 ZachHowToComputer Scripts / ProgramsModeMatchrFor your mode matching pleasure, I  MMrLogo.png 
  6415   Wed Mar 14 13:27:15 2012 ZachHowToComputer Scripts / ProgramsModeMatchrI have added to ModeMatchr the capability   
  6442   Sun Mar 25 20:13:31 2012 ranaHowToSUSOptical Lever Servo Tuning thoughtsTo start the optical lever filter design,
I looked into the noise on ITMY. It should
be similar to the other arm cavity optics
 Untitled.png 
  6637   Thu May 10 14:49:06 2012 KojiHowToGeneralHow to clean & bake black glass pieces    
  6833   Tue Jun 19 20:26:50 2012 JenneHowToLockingSummer PlanJenne and Yuta's
Summer Plan
  
  7746   Mon Nov 26 18:56:34 2012 JenneHowToComputersData logging suggestionsWe've been talking for a while about how
we want to store data.  I'm not in love
with keeping it on the elog, although I think
  
  7747   Mon Nov 26 19:27:59 2012 RijuHowTo Testing AG4395A+GPIBRiju, Jenne
We have checked the transfer function
of a bandpass filter using AG4395A network
 tfmag.jpgtfphase.jpg 
  7765   Fri Nov 30 09:59:53 2012 SteveHowToGeneralHow not toClean cabinet S15 doors were left open.
You have to lock it up!
  
  7768   Fri Nov 30 14:21:18 2012 ranaHowToComputer Scripts / ProgramsThe mystery of PDFs and you. As deep as the mystery of Rasputin.   darm.pdf 
  7776   Mon Dec 3 07:40:00 2012 SteveHowToAlignmenthow was the BS chamber misalinged

    

       
            
 BSsupport.jpg 
  7794   Wed Dec 5 17:38:41 2012 RijuHowTo Photodiode transimpedanceI have started making the circuit to measure
the transimpedance for the photodiode PDA10CF
using Jenne's laser. I will continue it tomorrow.
  
  7807   Tue Dec 11 08:53:52 2012 SteveHowToPEMcables needs careHow NOT
to:
The
 IMG_1839.JPG 
  7809   Tue Dec 11 10:09:04 2012 AyakaHowToPEMcables needs care

    

       
            
  
  7872   Wed Jan 2 15:33:23 2013 JenneHowToLockingWe should retry in-air lockingImmediate things to do include finishing
installation of new TTs and re-routing of
oplev paths in the BS chamber, but after
  
ELOG V3.1.3-