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ID Date Authorup Type Category Subject Text Attachments
  6324   Mon Feb 27 14:35:37 2012 JenneUpdateGreen LockingPSL Beat SetupXarm is aligned for both IR and green. 
Here is a photo of the beam paths
of the PSL beat setup.  I want to make
 BeatPSLlayout_27Feb2012.png 
  6326   Mon Feb 27 18:35:45 2012 JenneUpdateGreen LockingX Beat SearchMeh.  I've searched in steps of 20
counts in C1:GCX-SLOW_SERVO2_OFFSET units
(16 bit +\- 10V DAC, and 1GHz/V coeffecient
  
  6342   Wed Feb 29 20:27:00 2012 JenneUpdateGreen LockingX green beat - found it!Found it!
The actual temperature of the Xend
  
  6364   Tue Mar 6 16:06:15 2012 JenneConfigurationSUSPRM watchdog tripped


   
        
            
  
  6365   Tue Mar 6 16:17:36 2012 JenneUpdateSUSSUS matrix diagonalization statusHas default inmat:
PRM, ITMX
Has fancy inmat:
  
  6371   Wed Mar 7 11:44:29 2012 JenneUpdateGreen LockingXgreen beatnote cable made, laidThe Xgreen PD now has a cable going over
to the beatbox. Once beatbox characterization
is done I can re-find the beat, and we can
  
  6424   Fri Mar 16 10:37:52 2012 JenneUpdateElectronicsJenne Laser

    

       
            
  
  6451   Tue Mar 27 11:54:18 2012 JenneUpdateIOOBeam Profile measurement: IPPOS beamI'd like to know what we expect for these
numbers.  I've added to Kiwamu's drawing
some more distances, so I can calculate the
 IPPOS_distances.pdf 
  6454   Tue Mar 27 17:38:03 2012 JenneUpdateIOOAnother possibility / thoughtI'm meditating over the mode matching from
the mode cleaner to the ITMs, and I had another
thought:
  
  6456   Tue Mar 27 18:03:46 2012 JenneUpdateIOOBeam Profile measurement: IPPOS beamThis is wrong! 
See following elog for corrected plot (and
 BeamProp_usingMeas2012MMTnumbersLowRes.png 
  6457   Tue Mar 27 21:20:32 2012 JenneUpdateIOOBeam Profile measurement: IPPOS beam

    

       
            
 BeamProp_usingMeas2012MMTnumbersLowRes.png 
  6460   Wed Mar 28 01:17:29 2012 JenneUpdateIOOBeam Profile measurement: IPPOS beamAs I was a little dissatisfied with the
inaccuracy in the distance numbers in Kiwamu's
sketch, I went back to the 18 Dec 2010 table
 BetterDistances_IPPOSLowRes.pngBetterDistances_MainIFO_PRMnormalLowRes.pngBetterDistances_MainIFO_PRMflippedLowRes.png 
  6461   Wed Mar 28 18:26:47 2012 JenneUpdateIOOBeam Profile measurement: IPPOS beamMore calculations....
Game Plan:  Using MC
waist measured beam as the starting point
 OptimizedMMT_halfMeterChange_IPPOSviewLowRes.pngOptimizedMMT_halfMeterChange_IFOviewLowRes.pngOptimizedMMT_pt2cMeterChange_IPPOSviewLowRes.pngOptimizedMMT_pt2cMeterChange_IFOviewLowRes.png 
  6462   Wed Mar 28 20:54:02 2012 JenneUpdateIOOBeam Profile measurement: IPPOS beamI fitzed by hand with the numbers for the
incident angles on MMT1 and MMT2, and then
let the code optimize the position of MMT1
 MMT_moved_by_1pt3meters_MMT1th_25_MMT2th_12_LowRes.pngMMT_moved_by_1pt3meters_MMT1th_25_MMT2th_12_LowRes.png 
  6465   Thu Mar 29 13:23:05 2012 JenneOmnistructureComputersWireless router for GC

    

       
            
 IMG_0079.JPG 
  6476   Mon Apr 2 18:58:32 2012 JenneUpdateIOOBeam Profile measurement: IPPOS beamSuresh noted that I never wrote down the
waist positions of the beam propagated through
the MMT (based on where we think it is from
 NonOptimized_propagatedWaistPlotted_LowRes.png 
  6493   Fri Apr 6 11:14:34 2012 JenneUpdateAdaptive Filteringstatic and adaptive

    

       
            
  
  6494   Fri Apr 6 11:32:09 2012 JenneUpdateComputersRAID array is rebuilding....Suresh reported to Den, who reported to
me (although no elogs were made.....) that
something was funny with the FB.  I
  
  6499   Fri Apr 6 19:04:35 2012 JenneUpdatePEMSTS releveled, GUR2 plugged in[Den, Jenne]
We were wondering why the STS-2 signal
was funny.  When I went to look at it,
  
  6509   Mon Apr 9 15:02:30 2012 JenneUpdateLSCLocked MICHI was going to try some locking, but things
are a little too noisy. 
Just so Kiwamu knows what I did today,
  
  6510   Mon Apr 9 15:09:34 2012 JenneUpdateLSCLocked MICH

    
        
  
  6515   Tue Apr 10 13:42:54 2012 JenneUpdateEnvironmentPlumbing guys are hereI don't know why, but they're looking around
on the roof, and inside our ceiling above
the bathrooms.
  
  6516   Tue Apr 10 17:02:29 2012 JenneUpdateIOOMode matching recollections and conclusions...Mostly just recollections at this point.
I re-looked at the mode matching's
sensitivity to misplaced optics.  Here
 IMMT_positionSensitivity_plotted10Apr2012_LowRes.pngHistogram_20mmStDev_MMTmovesOnly_LowRes.pngHistogram_20mmStDev_MMTmovesAndTilts_LowRes.png 
  6519   Wed Apr 11 14:34:48 2012 JenneUpdateEnvironmentPlumbing guys are here

    

       
            
  
  6520   Wed Apr 11 16:33:16 2012 JenneBureaucracyGeneral40m Meeting Action ItemsAction
Items from Last Week:
(non-existant)
  
  6521   Wed Apr 11 17:56:26 2012 JenneUpdateGeneralSummary of things to figure out with the IFOQuestions:
Power recycling gain
   * It should be ~40,
  
  6522   Wed Apr 11 18:19:51 2012 JenneUpdateIOOMode matching recollections and conclusionsAnother histogram.  This one allows
the MMT mirror positions to move, the MMT
incident angle for both curved optics to
 ModeMismatch_MMTpos_MMTang_MCw0_MCwz_change_LowRes.png 
  6524   Thu Apr 12 00:16:38 2012 JenneUpdateEnvironmentEarthquake - moderate 

M4.7  - Santa Isabel, Mexico
2012-04-12 06:48:38 UTC
Mode
  
  6525   Thu Apr 12 00:40:45 2012 JenneUpdateSUSPRM, BS oplevs offThere's a beam dump after the HeNe on the
BS oplev table, since the IPPOS measurement
optics (steering mirrors) are in the way
  
  6532   Thu Apr 12 23:52:49 2012 JenneUpdateLockingPRMI locked - 'bouncy'I am locking some things, and have the
PRM aligned, and it will stay locked for
short periods of time, but as Kiwamu warned
  
  6533   Fri Apr 13 01:27:10 2012 JenneUpdateSUSOplevs recenteredIt's been a while since I think anyone
has done it, and several optics were pretty
far from centered, so I centered all of the
  
  6537   Mon Apr 16 09:44:54 2012 JenneUpdatePEMgur2_x

    

       
            
  
  6544   Wed Apr 18 11:46:14 2012 JenneUpdateGeneralPower outage last night

    

       
            
  
  6545   Wed Apr 18 11:54:31 2012 JenneUpdateGeneralPower outage last night

    

       
            
  
  6566   Wed Apr 25 11:45:34 2012 JenneUpdatePEMBlue Bird Pre-AmplifierIt looks like we should change the "R40"
and "R47" diodes.  If you
do it this week, ask Jamie or Koji to check
  
  6587   Mon Apr 30 21:05:32 2012 JenneUpdateSUSETMY oplev power supply dead[Jenne, MikeJ]
The ETMY oplev quad sum was ~0, so
we went to investigate.  The power supply
  
  6589   Mon Apr 30 22:41:34 2012 JenneUpdateSUSETMY oplev power supply dead

    

       
            
  
  6590   Mon Apr 30 22:58:57 2012 JenneUpdateElectronics11MHz Marconi set to default after power outageAfter a power outage, a Marconi comes back
to it's defaults.  It needed to be reset
to the values in elog 5530. 
  
  6596   Thu May 3 13:19:17 2012 JenneUpdateLockingMore success last nightI locked each arm, and the Michelson last
night, no problems after I increased the
Yarm gain from 0.1 to 0.2 .  I checked
  
  6597   Thu May 3 13:35:56 2012 JenneBureaucracyGeneral40m Meeting Action ItemsAction
Items:
IFO
  
  6599   Thu May 3 19:52:43 2012 JenneUpdateCDSOutput errors from dither alignment (Xarm) scriptepicsThreadOnceOsd epicsMutexLock
failed.
Segmentation fault
  
  6601   Thu May 3 22:37:44 2012 JenneUpdateGeneralOpLev 90-day trendAfter fixing the PRM tonight, all of the
oplevs look okay. 
.....except ITMX, which looks like
 OpLevTrends_90days_Ending3May2012 
  6602   Fri May 4 17:44:42 2012 JenneUpdateGeneralOpLev 90-day trend

    

       
            
  
  6603   Fri May 4 17:46:46 2012 JenneUpdateGreen LockingPSL doubling oven back onWhile walking past the PSL, I noticed that
the PSL's doubling oven's heater was still
disabled from the power outage.  As
  
  6617   Mon May 7 21:19:00 2012 JenneUpdateSUSETMX oplevI'm still not super happy with the low
power level of the ETMX oplev, so I went
to investigate.
 OpLevETMX_1100days.png 
  6620   Tue May 8 03:33:24 2012 JenneUpdateSUSNew misalign / restore scripts for IFO_ALIGN screenSince Den wasn't able to fix c1sus (make
it talk to the framebuilder) before he left
a few hours ago, I decided to do some housekeeping
  
  6621   Tue May 8 03:38:28 2012 JenneUpdateGeneralMEDM svn emergency!!!We officially are
*failures* at svn-ing our scripts and screens. 
  
  6625   Tue May 8 16:43:15 2012 JenneUpdateCDSDegenerate channels, potentially a big messRana
theorized that we're having problems with
the MC error signal in the OAF model (separate
 DegenerateIOOadc0chan6.png 
  6626   Tue May 8 17:48:50 2012 JenneUpdateCDSOAF model not seeing MCL correctlyDen noticed this, and will write more later,
I just wanted to sum up what Alex said /
did while he was here a few minutes ago....
  
  6627   Wed May 9 00:45:13 2012 JenneUpdateCDSNo signals for DTT from SUSUpgrades suck.  Or at least making
everything work again after the upgrade.
On the to-do list tonight: 
 OpLevs_OSEMs_allSUSchannels_ADCnoiseOnly.pdfScreenshot.png 
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