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ID Date Author Type Category Subjectup Text Attachments
  5245   Tue Aug 16 04:28:09 2011 kiwamuUpdateGeneraltoday's work to doThe
main goal of today is to extract the pick-off
beams 
  
  5248   Tue Aug 16 11:49:17 2011 jamie, jenneUpdateGeneraltoday's work to do>If necessary steer ETMs and ITMs to
make the X and Y green beam flashing.
Green is now flashing in both X and
  
  5250   Tue Aug 16 17:09:55 2011 JenneUpdateGeneraltoday's work to do


   
        
            
  
  3496   Tue Aug 31 14:47:53 2010 steveConfigurationPEMtoilet upgradeOur toilets were replaced by a green Gerber
1.6 gpf ( 6 lpf ) last week.
 toil-n.JPG 
  14191   Wed Aug 29 14:51:05 2018 SteveUpdateGeneraltomorrow morningElectrician is coming to fix one of the
fluorenent light fixture holder in the east
arm tomorrow morning at 8am. He will be out
  
  5553   Tue Sep 27 04:13:22 2011 kiwamuUpdateLSCtonight's locking activityThe lock of PRMI wasn't so robust although
it could stay locked for more than 10 minutes.
 PRMI.png 
  4601   Mon May 2 21:14:55 2011 kiwamuUpdateElectronicstoo loose Heliax connectors on 1Y2 rackI found that
all the Heliax cables landing on the bottom
 DSC_2982_ss.jpgDSC_2984_ss.jpg 
  4602   Mon May 2 23:29:57 2011 SureshUpdateElectronicstoo loose Heliax connectors on 1Y2 rackThe countersink
gives rise to another problem when we mount
the N-type-to-SMA bulkhead adaptor. 
  
  12388   Tue Aug 9 16:19:27 2016 SteveUpdateSUStorque driver for wire clampNew
Wiha 28504 torque wrench for SOS wire
clamping. It's range 7.5  - 20 in-lb
  
  11239   Thu Apr 23 15:40:41 2015 SteveUpdateGeneraltorque for 1/4-20 

Few 1/4 -20 socket cap head screw
with washers were tested for optimum torque.
 snapon.jpgQJR117E.jpg 
  11244   Fri Apr 24 18:13:36 2015 ranaUpdateGeneraltorque for 1/4-20For 1/4-20 bolts made of 18-8 Stainless
Steel, the recommended torque varies
from 65-100 inch-pounds, depending upon the
  
  11181   Sat Mar 28 03:21:49 2015 denUpdateLSCtowards angular ffTonight I measured seismic noise coupling
to beam spot on PR2. There is coherence of
0.9 from X to PIT and Y to YAW around the
  
  388   Fri Mar 21 09:02:03 2008 steveUpdateVACtp 2 failedSmall turbo #2 is the forepump of the maglev.
It failed last night, shut down the  maglev
and interlock closed V1
  
  389   Fri Mar 21 11:54:38 2008 robUpdateVACtp 2 failed[quote]Small turbo #2 is the forepump of the
maglev.
It failed last night, shut down the  maglev
  
  385   Thu Mar 20 15:28:20 2008 steveUpdateVACtp2 's drypump replacedThe fore pump of tp2 was replaced at fore
line pressure 998m Torr
  
  1220   Fri Jan 9 16:52:18 2009 steveUpdateVACtp3 forline pump replacedAlberto took 40m vacuum 101 class as we replaced
the drypump at the annulus pump line.
  
  2970   Fri May 21 16:37:35 2010 steveConfigurationVACtp3's drypump replacedBob replaced the tipseal in an other drypump
and I swapped it in. TP3 turbo is running
again, it's foreline pressure is 40 mTorr.
  
  2073   Fri Oct 9 01:31:56 2009 ranaConfigurationDAQtpchn mysteryDoes anyone know if this master
file is the real thing that's in use now?
  
  2075   Fri Oct 9 14:23:53 2009 Alex IvanovConfigurationDAQtpchn mystery"Yes. This master file is used."

  
  94   Mon Nov 12 14:09:19 2007 robDAQGeneraltpman dead on fb40mThe testpoint manager was dead on fb40m. 
I know I re-started it sometime after the
power outage, so something must have killed
  
  1417   Sun Mar 22 23:16:41 2009 ranaDAQComputer Scripts / Programstpman restartCould get testpoints but couldn't start excitations.
Restarted tpman on daqawg. Works now.
  
  10869   Wed Jan 7 14:16:27 2015 JenneUpdateLSCtrans QPDs realignedNow that both end transmission QPDs have
the line filters, I aligned them.
I locked and aligned the IR using
  
  2494   Sun Jan 10 13:32:09 2010 HaixingUpdateSUStransfer function measurement of the quadrant maglev circuit I have assembled the circuit and the
control box for the quadrant magnetic
levitation yesterday. The final setup
 6x 
  2495   Sun Jan 10 15:47:26 2010 KojiUpdateSUStransfer function measurement of the quadrant maglev circuit 1. Why do all of the BNCs have no GND connection?
Each should have the individual cables to
the ground. Each signal line and the corresponding
  
  2497   Sun Jan 10 16:50:34 2010 HaixingUpdateSUStransfer function measurement of the quadrant maglev circuit

    
        
  
  2498   Sun Jan 10 17:15:25 2010 KojiUpdateSUStransfer function measurement of the quadrant maglev circuit 1. Yes. That is the bad. You should eventually
replace the BNCs to the isolated ones.
2. OK. I like to emphasize again
  
  4324   Fri Feb 18 15:05:49 2011 kiwamuUpdateGreen Lockingtransfer function of angle to beat note (length) [Koji and Kiwamu]
 We
 a2l_TF.png 
  6655   Tue May 22 00:23:45 2012 DenUpdateCDStransmission error monitorI've started to create channels and an
medm screen to monitor the errors that occur
during the transmission through the RFM model.
 Screenshot.png 
  13330   Mon Sep 25 17:56:33 2017 johannesUpdateComputer Scripts / Programstransmitted power during lossmapI had to do a reboot + burt restore of
c1psl today. It was unresponsive and I couldn't
get the PMC to lock. I also had to slightly
  
  6556   Sat Apr 21 21:10:34 2012 JamieUpdateCDStrend frame issue partially resolved

    

       
            
  
  7955   Tue Jan 29 15:16:18 2013 ManasaFrogsGeneraltrial run 
 I would like to suggest a trial
run on these....Ergomates and 
 ErgoMatesFeatures.jpgbooties.jpg 
  7967   Wed Jan 30 16:24:25 2013 ManasaFrogsGeneraltrial run

    

       
            
  
  3868   Fri Nov 5 14:06:19 2010 yutaUpdateIOOtried to align MC by A2L measurement(Suresh, Kiwamu, Yuta)

Summary:
 A2LmeasurementFigures.png 
  3713   Thu Oct 14 01:09:17 2010 yutaUpdateIOOtried to lock MC but failed(Rana, Koji, Kiwamu, Suresh, Yuta)
 
  
  6763   Wed Jun 6 02:28:02 2012 yutaUpdateGreen Lockingtried to see Yarm length change with weak beat note[Jenne, Yuta]

Summary:
 beatycoarseringdown20120605.pngbeatysetup20120605.png 
  4671   Mon May 9 18:54:29 2011 kiwamuUpdateLSCtriggerd locking logic : screen preparedI made a new medm screen for the triggering
logics. Have fun.
I put a button on C1LSC.adl to invoke
 trigger_medm.png 
  7055   Tue Jul 31 00:27:52 2012 DenUpdatePEMtrilliumWe have a Trillium for several days from
Vladimir. I've put seismometer inside the
foam box on linolium. I was not able to level
  
  11109   Fri Mar 6 13:48:17 2015 dark kiwamuSummaryIOOtriple resonance circuitI was asked by Koji to point out where
a
schematic of the triple resonant circuit
  
  2596   Fri Feb 12 13:15:41 2010 kiwamuUpdateElectronicstriple resonant EOM --- liniaryity test
I have
measured the linearity of our triple resonant
 linearity_edit.png 
  2602   Sat Feb 13 13:21:53 2010 KojiUpdateElectronicstriple resonant EOM --- liniaryity testLooks good. I just thought of the idea
that we also can use Alberto's PLL setup
to sense the modulation with more sensitivity. 
  
  2586   Wed Feb 10 17:28:02 2010 kiwamuUpdateElectronicstriple resonant EOM ---- preliminary resultI have made a
prototype circuit of the triple resonant
 mod_depth.png 
  2587   Wed Feb 10 23:15:37 2010 KojiUpdateElectronicstriple resonant EOM ---- preliminary resultHey, this looks nice, but can you provide
us the comparison of rad/V with the resonant
EOM of New Focus?
  
  2590   Thu Feb 11 16:52:53 2010 kiwamuUpdateElectronicstriple resonant EOM ---- preliminary resultThe commercial resonant EOM of New Focus
has the modulation efficiency of 
  
  5339   Sat Sep 3 14:47:50 2011 kiwamuUpdateIOOtriple resonant box : brief estimations about reflections and mode. depths(RF reflections)
The reflected RF power going back
to the RF generation box will be :
  
  5335   Fri Sep 2 13:12:08 2011 kiwamuUpdateIOOtriple resonant box : ready to installThe triple
resonant box was checked again. Each resonant
 refl_eom.png 
  5336   Fri Sep 2 15:56:32 2011 KojiUpdateIOOtriple resonant box : ready to installWhat are the reflected RF powers for those
frequencies? 
Is the 29.5MHz more problem than the
  
  2523   Mon Jan 18 23:44:19 2010 kiwamuUpdateElectronicstriple resonant circuit for EOMThe first
design of the triple resonant EOM circuit
 whole_circuit.pngdesigned_circuit.png 
  2524   Tue Jan 19 00:10:44 2010 ranaUpdateElectronicstriple resonant circuit for EOMVery cool.     
  2526   Tue Jan 19 02:40:38 2010 KojiUpdateElectronicstriple resonant circuit for EOMThe design looks very good. I have some
questions.
1. As far as I remember, you've
  
  2527   Tue Jan 19 03:04:14 2010 KojiUpdateElectronicstriple resonant circuit for EOMSelf-follow:
I got the answer of Q3 from the follow-up
entry.
  
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