40m QIL Cryo_Lab CTN SUS_Lab TCS_Lab OMC_Lab CRIME_Lab FEA ENG_Labs OptContFac Mariner WBEEShop
  40m Log, Page 282 of 344  Not logged in ELOG logo
IDdown Date Author Type Category Subject Text Attachments
  3149   Wed Jun 30 17:30:54 2010 JenneUpdatePEMSeismometers moved for MC Wiener workNow that the MC is back up and running,
I put the Guralp seismometers at the ends
of the mode cleaner.  Gur1 is near MC2,
  
  3148   Wed Jun 30 15:24:04 2010 steve,kiwamuUpdateVACslow pumpdown copmlete


   
        
            
 slowpd.jpgbutterfly.JPG 
  3147   Wed Jun 30 14:38:04 2010 JenneUpdatePEMGuralp terminator is switchedI moved the Guralp box's input terminator
from Gur1 to Gur2 a minute or so ago to check
the other channels.
  
  3146   Wed Jun 30 12:20:49 2010 RazibUpdatePhase CameraWeekly updateThis week I have completed following tasks:
1. Worked out the analytical expressions
for the amount of power of the DC and oscillatory
  
  3145   Wed Jun 30 12:13:39 2010 Sharmila, KatharineUpdateWIKI-40M Updateweekly updateWeekly Project Update:

We are studying Haixing's circuit
  
  3144   Wed Jun 30 12:01:20 2010 josephbUpdateCDSSUS IO ChassisI spent this morning populating the SUS
IO Chassis and getting it ready for installation
into the 1Y4 rack.  I discovered I'm
  
  3143   Wed Jun 30 11:39:20 2010 nancyUpdateWIKI-40M UpdateWeekly UpdateWednesday Morning E-log :
 
Most of the time through this week,
  
  3142   Wed Jun 30 11:35:06 2010 Gopal UpdateGeneral6.23.10 - 6.30.10 Weekly UpdateSummary of this Week's Activities:
6/23: LIGO Safety Tour; Simulink
Controls Tutorial
  
  3141   Wed Jun 30 00:45:26 2010 ranaUpdateVACslow pumpdown stopped for the nightAs per Steve's instructions, at 12:43 AM,
I used the following steps to stop the pumpdown
until the morning:
  
  3140   Tue Jun 29 23:49:18 2010 steve, ranaUpdateVACslow pumpdown started   Untitled.png 
  3139   Tue Jun 29 20:47:19 2010 JenneUpdatePEMTerminator put on Guralp BoxA little D-sub terminator was put on the
Gur1 input to the Guralp box, to check again
the noise level of the box.
  
  3138   Tue Jun 29 17:10:49 2010 steve, ranaUpdateVACslow pumpdown startedThe folding crane was fixed and tested
this morning by the NNN rigging company.
Pictures will be posted by Steve in the morning.
  
  3137   Tue Jun 29 16:44:12 2010 Jenne, ranaUpdateMOPAMOPA is NOT dead, was just asleep

    
        
  
  3136   Tue Jun 29 14:19:44 2010 josephbUpdateCDSDaily Downs Update (Part 2)I picked up the ribbon cable connectors
from Jay.  It looks like we'll have
to make the new cables for connecting the
  
  3135   Tue Jun 29 14:16:35 2010 KojiConfigurationSAFETYBack in LASER HAZARD mode. The insects and the laser trouble... Strange
coincidences with LHO surprised me, but now
I have been relieved.
  
  3134   Tue Jun 29 12:08:43 2010 josephbUpdateCDSDaily Downs UpdateI talked with Rolf, and asked if we were
using Megatron for IO.  The gist boiled
down to we (the 40m) needed to use it for
  
  3133   Tue Jun 29 11:48:17 2010 JenneConfigurationSAFETYBack in LASER HAZARD mode. [Steve, Kiwamu, Jenne]
The 40m is now
  
  3132   Tue Jun 29 10:20:58 2010 ranaUpdateMOPAMOPA is NOT deadNot dead. It just had a HT fault. You can
tell by reading the front panel. Cycling
the power usually fixes this.
  
  3131   Tue Jun 29 08:55:18 2010 JenneFrogsEnvironmentWe're being attacked!   Infested_InvasionOfKillerBugs.jpgAntInvasion_small.jpg 
  3130   Tue Jun 29 08:41:06 2010 steveUpdateMOPAMOPA is deadI found the laser dead this morning.
The crane people are here to unjam
it.
 laserisdead.jpg 
  3129   Mon Jun 28 21:26:05 2010 ranaSummaryCDSCDS adapter board notesThose drawings are an OK start, but its
obvious that things have changed at the 40m
since 2002. We cannot rely on these drawings
  
  3128   Mon Jun 28 13:40:53 2010 josephb, AlexUpdateCDSChanges added to CDS SVN, new checkout, new features, some changes madeLast week Alex merged in the changes I
had made to the local 40m copy of the Real
Time Code Generator.  These were to
  
  3127   Mon Jun 28 12:48:04 2010 josephbSummaryCDSCDS adapter board notesThe following is according to the drawing
by Ben Abbott found at http://www.ligo.caltech.edu/~babbott/40m_sus_wiring.pdf
This
applies to SUS:
  
  3126   Mon Jun 28 11:27:08 2010 MeganUpdateElectronicsMarconi Phase NoiseUsing the three Marconis in 40m at 11.1
MHz, the Three Cornered Hat technique was
used to find the individual noise of each
 IndividualNoise11100kHzAllRanges.jpgIndividualNoise11100kHzSeparate.jpgDirectvsIndirectNoise.jpgFG12Noise.jpg 
  3125   Sat Jun 26 21:13:19 2010 ranaSummaryComputer Scripts / ProgramsCOMSOL 4.0 InstallationI've
installed COMSOL 4.0 for 32/64 bit Linux
in /cvs/cds/caltech/apps/linux64/COMSOL40/
It
  
  3124   Sat Jun 26 20:16:44 2010 josephbUpdateCDSNew checkout of RCG from SVN and changes madeORPHAN ENTRY FOUND ON ROSALBA:::::::::::::::::::::::::::::::::::::::::::::::::::>>>>>>>>>>>>>>>>>>>>>>>>>>>>>   
  3123   Sat Jun 26 05:02:04 2010 ranaHowToSVNSVN woes


   
        
            
  
  3122   Fri Jun 25 20:32:30 2010 kiwamuUpdateGreen Lockinggreen power on the PSL tableThe power
of the green beam generated on the PSL table
 optical_power.png 
  3121   Fri Jun 25 15:22:45 2010 JenneOmnistructureSAFETYNo entry to the 40m LVEA until further notice!                                                                                                
           
  
  3120   Fri Jun 25 12:09:27 2010 kiwamuUpdateComputersGPIB controller of HP8591EI've
just stolen a GPIB controller, an yellow
small box, from the spectrum analyzer HP8591E.
  
  3119   Fri Jun 25 08:10:23 2010 josephbUpdateCDSDaily Downs UpdateYesterday afternoon I went to downs and
acquired the following materials:
2 100 ft long blue fibers, for use
  
  3118   Fri Jun 25 01:28:33 2010 DmassHowToSVNSVN woesI am trying to get an actual complete install
of the 40m svn on my machine. It keeps stopping
at the same point:
  
  3117   Thu Jun 24 18:47:26 2010 FrankDAQIOOVME crate rebooted we had
to reboot
the IOO VME crate right before lunch
  
  3116   Thu Jun 24 16:59:24 2010 josephbUpdateVACFinished restoring the access connector and door[Jenne,  Kiwamu, Steve, Sharmila,
Katherine, Joe]
We finished bolting the door on the
  
  3115   Thu Jun 24 13:02:59 2010 JenneUpdateComputersSome lunchtime reboots[Jenne, Megan, Frank]
We rebooted c1iovme, c1susvme1, and
c1susvme2 during lunch.  Frank is going
  
  3114   Thu Jun 24 11:16:32 2010 Sharmila, Rana and KiwamuHowToVACInspection of the BS (sorry, no sounds)    
  3113   Thu Jun 24 06:49:29 2010 AidanUpdateGreen Lockinga channel for PPKTP temperatureIs this a setpoint temperature that we
can change by writing to the channel or is
it a readout of the actual temperature of
  
  3112   Thu Jun 24 01:02:34 2010 Sharmilla, Rana and KiwamuUpdateGreen Lockinga channel for PPKTP temperatureWe added
a channel on c1psl in order to monitor the
  
  3111   Wed Jun 23 23:55:03 2010 Katharine, Sharmila, Rana, Steve and KiwamuUpdateVACwiped the BSSome unused
optics in the BS chamber were removed. 
  
  3110   Wed Jun 23 23:08:30 2010 ranaConfigurationPSLFSS SLOWDC should be ~-4.0 
  
  3109   Wed Jun 23 18:05:00 2010 KojiConfigurationPSLFSS SLOWDC should be ~-4.0FSS SLOWDC slider is at around 0.

Please someone relock this at ~-4.0 to exploit
 C1PSL_FSS.png 
  3108   Wed Jun 23 17:48:16 2010 steveUpdateMOPAlaser head tempThe laser chiller temp is fluctuating and
the power output is decreasing. See 120 days
plot.
 htemp120d.jpg 
  3107   Wed Jun 23 15:33:42 2010 josephbUpdateCDSDaily Downs UpdateI visited downs and announced that I would
be showing up again until all the 40m hardware
is delivered. 
  
  3106   Wed Jun 23 15:15:53 2010 josephbSummaryComputers40m computer security issue from last night and this morningThe following is not 100% accurate, but
represents my understanding of the events
currently.  I'm trying to get a full
  
  3105   Wed Jun 23 12:52:35 2010 kiwamuUpdatePhotosBS chamber before cleaning up    
  3104   Wed Jun 23 12:47:43 2010 JenneUpdateSUSPRM, SRM ready for vacuumI fitzed
with the PRM and SRM briefly, and I now believe
 SRM_pitch_offset_small.jpg 
  3103   Wed Jun 23 12:31:36 2010 GopalUpdateGeneral6.16.10-6.23.10 Weekly UpdateSummary of This Week's Activities:
6/16: LIGO Orientation; First Weekly
Meeting; 40m tour with Jenne; Removed WFS
  
  3102   Wed Jun 23 12:28:34 2010 RazibSummaryPhase CameraWeeekly SummaryThis past week I have completed the following
tasks:
 
 trigger-box_circuit.pngtest1.png 
  3101   Wed Jun 23 11:31:12 2010 nancyUpdateWIKI-40M UpdateWeekly UpdateThis week I attended a whole lot of orientations,
lectures, and meetings related to SURF. Done
with general and laser safety training.
  
  3100   Wed Jun 23 11:25:14 2010 Katharine and SharmilaUpdateWIKI-40M UpdateMaglevWeekly update

Lab work
  
ELOG V3.1.3-