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ID Date Authordown Type Category Subject Text Attachments
  7207   Thu Aug 16 18:59:18 2012 JenneUpdateSAFETYEmergency Exit door unlocked againKoji just found the emergency exit door
unlocked again.  NOT GOOD.
  
  7208   Thu Aug 16 19:12:30 2012 JenneUpdateLockingLong arm lock stretches   YARM_awesome_lock_stretch.png 
  7236   Mon Aug 20 18:10:44 2012 JenneUpdateCamerasvideo capture script copied over to real scripts directoryThe videocapture.py script is now in ...../scripts/general/
, along with the videoswitch. 
Also, there's a button gui on the
  
  7237   Mon Aug 20 23:31:49 2012 JenneUpdateCDSNote to self - fast PSL chansRana points out that we haven't had fast
channels for PMC (trans, refl, pzt), input
laser things, more FSS things since the upgrade. 
  
  7240   Tue Aug 21 01:54:09 2012 JenneUpdateLockingFPMI locked - arms locked with IRI (for the first time personally) locked
the FPMI.  I have data for the POX11I,
POY11I, AS55Q error signals for each arm
  
  7241   Tue Aug 21 01:59:33 2012 JenneUpdateGreen LockingGreen locking needs help!The green beam for the Xarm is flashing
a pretty nice 00 mode, but isn't catching
lock.
  
  7243   Tue Aug 21 15:25:41 2012 JenneUpdateComputerspyepics installedI installed pyepics version 3 (http://cars9.uchicago.edu/software/python/pyepics3/overview.html)
in ..../scripts/pylibs   
.   I also added an "epics.conf"
  
  7246   Tue Aug 21 22:54:47 2012 JenneUpdateLockingRemoved beam dump from POY pathPOY was looking funny, and the YARM wasn't
locking.  It looked like POY wasn't
seeing any light at all.  I went to
  
  7247   Wed Aug 22 01:54:03 2012 JenneUpdateGeneralList o' things: YarmASS, ETMXTcamera, POXwhiteningTriggeringWhile meditating
on other things, I have noticed / found the
following today:
  
  7250   Wed Aug 22 16:50:09 2012 JenneUpdateLockingDouble integrator in ARM LSC servosLast week, Rana changed the integrators
in the arm LSC servo filters to be double
integrators with complex poles. 
 DoubleIntegrator_timeSeries_LowRes.pngDoubleIntegrator_Bode_vs_Ramp_LowRes.png 
  7251   Wed Aug 22 18:58:12 2012 JenneUpdatePEMWeird BLRMS increaseIt seems as though there is something funny
going on around ~1.5 Hz, starting a little
over an hour ago.
 10x 
  7253   Thu Aug 23 00:18:54 2012 JenneUpdatePEMWeird BLRMS increaseWhile I was gone for dinner break, the BLRMS
went back to normal.  Then, almost 2 hours
later, another peak appeared, this time closer
 BS_OSEMsensors_higherFreqPeakIsOlder_LowerFreqPeakIsMoreRecent.pdf 
  7261   Thu Aug 23 21:53:06 2012 JenneUpdateGreen LockingXgreen still wouldn't lock[Jenne, Jamie]
We took a look at the Xend green,
and we weren't able to make it lock. 
  
  7266   Thu Aug 23 22:54:32 2012 JenneUpdateGreen LockingXgreen still wouldn't lock

    

       
            
 Xarm_Green_ErrorReflSignals_23Aug2012_LowRes.png 
  7271   Fri Aug 24 14:46:08 2012 JenneSummaryGeneralDetailed alignment planFriday / pre-vent:
[done]
Align the MC mirrors for the incident
  
  7275   Fri Aug 24 22:01:15 2012 JenneUpdateIOOMC spot position - closeI am getting closer with the MC spot centering. 
I had everything but MC1 really great, but
then I tweaked MC1's pointing, and things
 MCdecenter_24Aug2012.png 
  7276   Sun Aug 26 11:53:09 2012 JenneUpdateIOOMC2 getting kicked up regularlyWe need to re-look at this new MC autolocker
stuff, and the new MCL filters.
MC2 is getting kicked up (sometimes
  
  7277   Sun Aug 26 12:26:44 2012 JenneUpdateIOOMC spot position - not done yet

    

       
            
  
  7278   Sun Aug 26 20:58:21 2012 JenneUpdateVACDon't vent!!!![Koji, Jenne]
Steve, do not vent tomorrow morning! 
We are still not prepared, and will not finish
  
  7280   Mon Aug 27 01:05:36 2012 JenneUpdateIOOMC spot position - callin' it quitsspot positions in mm (MC1,2,3 pit MC1,2,3
yaw):
[-0.98675603448324423, -0.94064212026141558,
 MCdecenter_26Aug2012.png 
  7286   Mon Aug 27 15:49:46 2012 JenneUpdateSUSEQ damage

    

       
            
  
  7288   Mon Aug 27 18:32:48 2012 JenneUpdateIOOMC spot position - Jenne is stupid

    

       
            
  
  7290   Mon Aug 27 23:52:59 2012 JenneUpdateIOOMC Spots centeredFinally!
Jamie and I have the MC spots centered. 
We did the normal move the input beam, realign
 MCdecenter_26Aug2012.png 
  7292   Tue Aug 28 00:23:54 2012 JenneUpdatePSLPMC alignment going badPMC transmission started going down this
afternoon, around 3pm-ish.  Right now
it's 0.775, which is very, very low. 
 PMC_transmission_GoingDown_27Aug2012.png 
  7298   Tue Aug 28 17:43:04 2012 JenneUpdatePSLPower reduced!

    

       
            
  
  7299   Tue Aug 28 17:51:39 2012 JenneUpdatePSLPBS and Half Wave plates introduced

    

       
            
  
  7300   Tue Aug 28 17:59:03 2012 JenneUpdateVACVENT: GO!I have turned of the high voltage supplies
for PZT1 and PZT2.  The OMC PZT high
voltage supplies were already off, since
  
  7313   Wed Aug 29 21:02:45 2012 JenneUpdateIOOOptics between Faraday and PRM are centered, realigned[Jenne, Suresh, with support from Jamie
and Koji]
MC spots measured, MC1, MC3 no change.
  
  7321   Thu Aug 30 19:08:08 2012 JenneUpdateVACDogs on BS, ITM chambers checkedI tightened as many of the dog clamps on
the bottom of the BS, ITMX and ITMY chambers
as I could find.  I used a torque wrench
  
  7322   Thu Aug 30 20:20:52 2012 JenneUpdateSUSWatek camera placed on SE viewport of ITMX to look at PRM[EricQ, Jenne]
We placed the Watek camera on the
SE viewport of the ITMX chamber, and focused
  
  7323   Thu Aug 30 20:31:35 2012 JenneUpdateIOOPZT1 and PZT2 set to center of their ranges[Koji, Jenne]
Jamie and Koji pointed out that we
need to be doing the in-vac alignment with
  
  7334   Tue Sep 4 11:32:58 2012 JenneUpdateLockingFriday in-vac workElog re: Friday's work
Adjusted PZT2 so we're hitting the
center of PR2. 
  
  7335   Tue Sep 4 13:31:55 2012 JenneUpdateGeneralThe PlanWe need a plan for the rest of the week. 
I want to be closing the heavy doors on Friday
at the latest.  Please add to / comment
  
  7338   Tue Sep 4 20:03:38 2012 JenneUpdateGeneralin-vac progressOpened ETMY, beam was high and to the right
(if you look at the face of ETMY). 
Tried walking beam up, since just doing PZT2
  
  7339   Tue Sep 4 20:06:04 2012 JenneUpdateLockingMC scan input switched to the 11MHz port of EOMSince the EOM's signal combiner (splitter
backwards) is frequency-independent, Koji
and Jamie (in the proper turn off, turn on
  
  7340   Tue Sep 4 20:13:46 2012 JenneUpdateGeneralThe Plan - Tues evening version Tues
* Hit center of ETMY, using input
optics, PR3.
  
  7346   Wed Sep 5 19:29:45 2012 JenneUpdateGeneralYarm aligned to IR incident beam[EricQ, Jenne, brains of other people]
Checked at ETMY that the pointing
hadn't changed a whole lot.  Jamie and
  
  7348   Thu Sep 6 10:57:27 2012 JenneUpdateGeneralForgot to turn green refl pd back on

    

       
            
  
  7349   Thu Sep 6 13:07:02 2012 JenneUpdateIOOIPANG no longer a reference :(I was having trouble centering IPANG using
the PZTs, and I suspected something funny
was going on at the end.  I went down
  
  7350   Thu Sep 6 16:46:44 2012 JenneUpdateSUSBS aligned, target removedQ and I aligned the BS such that we were
hitting the center of ETMX. The ETMX cage
does not have OSEM setscrew holes on the
  
  7353   Thu Sep 6 18:49:30 2012 JenneUpdateRF SystemAS 55 may be brokenI was going to lock MICH, but I don't see
anything on dataviewer for either AS55Q or
ASDC.  I went out onto the table, and
  
  7355   Thu Sep 6 19:36:19 2012 JenneUpdateRF SystemAS 55 is fine

    

       
            
  
  7357   Fri Sep 7 01:25:53 2012 JenneUpdateGeneralPRC, SRC flashing[Koji, Jenne]
* Found that IPANG was no longer
centered, so we used PZT2's sliders to get
  
  7365   Fri Sep 7 17:34:53 2012 JenneUpdateComputersSensoray Video Capture

    

       
            
  
  7366   Fri Sep 7 17:37:16 2012 JenneUpdate cavitymode scan

    

       
            
  
  7367   Sat Sep 8 00:04:53 2012 JenneUpdateGeneralBeam scan measurement plan - to do Monday morning.[MikeJ, Jenne]
We have a plan for how we're going
to measure the beam after PR3.  Mike
  
  7379   Thu Sep 13 17:19:45 2012 JenneUpdateSUSMirrors being installed on active TTsI have given Den 4 G&H R>99.99%
mirrors to be installed on the 4 active tip
tilts.  He's in there working on things
  
  7381   Thu Sep 13 23:27:14 2012 JenneUpdateGeneralPre-close checklistWe need
to do the following things:  Images
of optics in DRMI chain, place black glass
  
  7383   Fri Sep 14 00:56:13 2012 JenneUpdateGeneralDRMI aligned[Rana, Jenne]
We
aligned the DRMI, and have concluded that
  
  7387   Fri Sep 14 12:51:43 2012 JenneUpdateSUSNeed risers for active TTsI was helping Den get started in the cleanroom
yesterday, and I noticed that the new active
TTs, like the old passive ones, are set to
  
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