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ID Date Author Type Category Subject Text Attachments
  2610   Wed Feb 17 12:45:19 2010 josephbUpdateComputersUpdated Megatron and its firewallI updated the IP address on the Cisco Linksys
wireless N router, which we're using to keep
megatron separated from the rest of the network. 
  
  2609   Tue Feb 16 16:24:30 2010 kiwamuUpdateGreen LockingRe:Re:take some optics away from the ETM end tableI put the TRY_PD back to the end table
and aligned it. Now it seems to be working
well.
  
  2608   Tue Feb 16 15:25:00 2010 AlbertoConfigurationLSCArms and PRC not locking 
 
 shock.jpg 
  2607   Tue Feb 16 14:10:06 2010 josephb, rob, kojiConfigurationLSCArms and PRC not locking

    
        
  
  2606   Tue Feb 16 11:12:51 2010 kiwamuUpdateGreen LockingRe:take some optics away from the ETM end table

    
        
  
  2605   Tue Feb 16 10:01:16 2010 AlbertoConfigurationLSCArms and PRC not lockingSince last Friday either the arms or the
PRC can't lock.
The montors show the beam flashing
  
  2604   Tue Feb 16 09:51:22 2010 AlbertoUpdateGreen Lockingtake some optics away from the ETM end table


   
        
            
  
  2603   Sat Feb 13 18:58:31 2010 josephb, alexUpdateComputersfb40m testpoints fixedI received an e-mail from Alex indicating
he found the testpoint problem and fixed
it today:
  
  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. 
  
  2601   Fri Feb 12 18:58:46 2010 kiwamuUpdateGreen Lockingtake some optics away from the ETM end tableIn
the last two days Steve and I took some optics
away from the both ETM end table.
 DSC_1164.JPGDSC_1172.JPG 
  2599   Fri Feb 12 15:59:16 2010 josephbUpdateComputersTestpoints not workingNon-testpoint channels seem to be working
in data viewer, however testpoints are not. 
The tpman process is not running on fb40m. 
  
  2598   Fri Feb 12 14:19:28 2010 rana, steveHowToloreInternational FaxSteve showed me how to send an international
fax today:

    Load paper.
   
  
  2597   Fri Feb 12 13:56:16 2010 josephbUpdateComputersFinishing touches on IP switch overThe GPIB interfaces have been updated to
the new 192.168.113.xxx addresses, with Alberto's
help.
  
  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 
  2595   Fri Feb 12 11:56:02 2010 josephbUpdateComputersNodus slow ssh fixedKoji pointed out that logging into Nodus
was being abnormally slow.  I tracked
it down to the fact we had forgotten to update
  
  2594   Fri Feb 12 11:44:11 2010 josephbUpdateComputersStatus of the IP change over

    
        
  
  2593   Thu Feb 11 19:20:44 2010 ranaUpdateComputersStatus of the IP change overAfter Joe left:


   Turned on op440m and returned him
his keyboard and mouse.
    Damped
  
  2592   Thu Feb 11 18:53:57 2010 steveConfigurationVACVAC NORMAL is back

    
        
  
  2591   Thu Feb 11 18:33:54 2010 josephb, alexUpdateComputersStatus of the IP change overA few machines have still not been changed
over, including a few laptops, mafalda, ottavia,
and c0rga.
  
  2590   Thu Feb 11 16:52:53 2010 kiwamuUpdateElectronicstriple resonant EOM ---- preliminary resultThe commercial resonant EOM of New Focus
has the modulation efficiency of 
  
  2589   Thu Feb 11 15:53:59 2010 steveConfigurationVACPSL output shutter is closedJoe and Alex are working on the computers.
Our vacuum system is temporary "All
off" condition: meaning all valves are
  
  2588   Wed Feb 10 23:44:56 2010 KojiSummaryCOCPhase Map AnalysisIn the middle of the last month, Kiwamu
and I went to Garilynn's lab to measure the
phase maps of the new ITMs and SRMs.
 SRM01_HR_RoC_rad_15mm.pngSRM01_HR_RoC_scan.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?
  
  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 
  2585   Wed Feb 10 16:27:47 2010 steveConfigurationGeneral IFO beam heightsIN
VACUUM beam heights are ALL 5.5" 
This is measured from the top of the
  
  2584   Tue Feb 9 17:51:48 2010 JenneSummaryIOOInput Mode Matching Telescope design is completeThe upgrade's input mode matching telescope
design is complete.  A summary document
is on the MMT
  
  2583   Tue Feb 9 17:18:45 2010 josephbSummaryComputersLocking Y arm successful with fully replaced front-end for ITMYWe were able to lock the Y-arm using Megatron
and the RCG generated code, with nothing
connected to c1iscey.
  
  2582   Tue Feb 9 10:10:58 2010 AlbertoUpdateABSLback to analogI want to try to do the measurement with
the network analyzer used as local oscillator,
instead of the Marconis that I'm using now.
  
  2581   Tue Feb 9 09:07:06 2010 AlbertoUpdateABSLPLL Characterization

    
        
 2010-02-08_PRCtransmissivity_EntireFreqRange_VsFit.png 
  2580   Mon Feb 8 17:00:36 2010 josephbUpdateComputersMegatron ETMY model updated (tst.mdl)I've added the control logic for the outputs
going to the Contec Digital Output board. 
This includes outputs from the QPD filters
  
  2579   Mon Feb 8 15:41:51 2010 AlbertoUpdateABSLSuddenly a much better alignment of PRC

    
        
  
  2578   Mon Feb 8 15:01:46 2010 robUpdateABSLSuddenly a much better alignment of PRC


   
        
            
  
  2577   Mon Feb 8 14:56:17 2010 AlbertoUpdateABSLSuddenly a much better alignment of PRCI just aligned PRM and locked PRC and I
noticed that SPOB is much higehr than it
used to be. It's now about 1800, vs 1200
  
  2576   Mon Feb 8 14:13:03 2010 AlbertoUpdateABSLPLL CharacterizationLately I've been trying to improve the
PLL for the AbsL experiment so that it could
handle larger frequency steps and thus speed
 2010-02-08_Old_PDH_Box_Filter_TF_gain_knob_0_Boost_OFF.png2010-02-08_PLL_OLG_gain_knob_0_Boost_OFF.png2010-02-08_PLL_Noise_Budget.png 
  2575   Sat Feb 6 00:10:08 2010 SanjitUpdateAdaptive FilteringOAF at > 5Hz 
Did some more test to get better
performance at higher frequencies.
  
  2574   Fri Feb 5 14:31:46 2010 JenneUpdateSUS2 SOS towers assembled[Jenne, Kiwamu]
The 2 SOS towers for the ITMs have
been assembled, and are on the flow bench
 DSC_1156.JPG 
  2573   Fri Feb 5 11:01:49 2010 steveConfigurationVACslow pumpdown valve I have installed a slow start throttle
valve in front of V3  This spring loaded
valve will cut down on the flow at high pressures.
 slow.JPG 
  2572   Fri Feb 5 01:04:58 2010 SanjitUpdateAdaptive FilteringOAF at > 5Hz 
There is lot of coherence between
the error signal and PEM channels at 5-100Hz.
 OAF_04FEB2010_highFreq.png 
  2571   Fri Feb 5 00:52:55 2010 SanjitUpdateAdaptive FilteringOAF at 0.1-1.0 Hz 
At 0.1-1.0Hz, there is some coherence
between MC_L and RANGER_Y & GUR_Y, see
 OAF_04FEB2010_noOAF.pngOAF_04FEB2010.png 
  2570   Thu Feb 4 12:29:04 2010 josephbUpdateComputersMartian IP switch over notesWhat is the change:
We will be
moving the 131.215.113.XXX ip addresses of
the martian network over to a 192.168.XXX.YYY
  
  2569   Thu Feb 4 00:59:52 2010 ranaUpdateelogelog restarted I restarted the ELOG on NODUS just
now. Our attempt to set up error logging
worked - it turns out ELOG was choking
  
  2568   Wed Feb 3 11:13:15 2010 steveConfigurationGeneralplaned power outage for Sat. Feb 20The electrical shop has to connect the
new power transformer at CES. This means
we will have no AC power for ~8 hrs on Saturday,
  
  2567   Wed Feb 3 10:46:12 2010 AlbertoUpdateelogelog restarted Again, this morning Zach told me
that the elog had crashed while he was trying
to post an entry.
  
  2566   Wed Feb 3 09:01:42 2010 robUpdateloreIFO isn't playing nice tonight


   
        
            
  
  2565   Wed Feb 3 07:57:01 2010 steveUpdatePSLPMC transmission is lowThe low PMC transmission alarm was on this
morning. The PMC alignment needs a touch
up.
 pmct40d.jpg 
  2564   Wed Feb 3 01:17:19 2010 KojiUpdatePSLIFO isn't playing nice tonightI checked the situation from my home
and the problem was solved. 
  
  2563   Tue Feb 2 22:39:12 2010 JenneUpdatePSLIFO isn't playing nice tonight[Jenne, Kiwamu]
It's been an iffy last few hours
here at the 40m.  Kiwamu, Koji and I
  
  2562   Tue Feb 2 18:15:47 2010 AlbertoUpdateelogElog restarted it Zach made me notice that the elog
had crashed earlier on this afternoon. 
I just restarted it with the restarting
  
  2561   Tue Feb 2 16:10:09 2010 steveUpdatePEMconstruction progress next doorCES construction is progressing. The 40m
suspensions are bearing well.
atm1, PEM  vs sus plots of 120
 pem120d.jpg02022010.JPG02022010b.JPG02022010c.JPGicewall.JPG 
  2560   Tue Feb 2 15:30:03 2010 AlbertoFrogsTreasureWild OatsFYI. Sitting on the top shelf of George
I found an opened jar of raspberry jam and
an opened jar of creamy peanut butter. Both
  
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