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ID Date Author Type Category Subject Text Attachments
  8492   Thu Apr 25 17:56:28 2013 RijuConfiguration PD frequency response [Eric, Riju]
Today we have routed the fibers from
1x16 fiber splitter to POX table for POX11
 IMG_0495.JPG 
  8491   Thu Apr 25 10:19:10 2013 KojiSummaryLSCLocking activity on Apr 24thLast night I worked on the several locking
configurations:
  
  8490   Thu Apr 25 04:10:09 2013 JenneUpdateLockingMICH_CTRL drifting away??Koji is elogging separately of his exploration
of different configurations.  The lock
stretch that I'm looking at here uses the
 1050915916-6.png1050915921-1.png1050915921-zoom.png1050915921-1-zoom.png 
  8489   Thu Apr 25 03:35:28 2013 JenneUpdateLockingAngular motion does not explain RINDen made a nice elog about the PRMI RIN
that we see a few weeks ago:  8464. 
The RIN that we're seeing is typically about
 RIN_estimation_from_angular_motion.nb.zip 
  8488   Thu Apr 25 00:59:37 2013 RijuUpdateRF SystemPD frequency response

    

       
            
  
  8487   Wed Apr 24 18:51:12 2013 KojiConfigurationoptical tablesPD frequency responseThe fibers should be routed beneath the
electrical cables. 
They should be fixed on the table
  
  8486   Wed Apr 24 15:27:59 2013 ManasaUpdate40m UpgradingEndtable upgrade for auxiliary green laser : progress: New layoutLayout that will be improved upon over
the next few days.
Things that need to be updated:
 ETMY_endtable_New.png 
  8485   Wed Apr 24 14:36:06 2013 JenneUpdateRF SystemPD frequency responseI think you have the splitter that splits
the RF signal from the network analyzer in
the wrong place. 
  
  8484   Wed Apr 24 14:24:40 2013 RijuUpdate PD frequency response Here I am attaching the first schematic
diagram of the PD frequency response set-up,
I will keep updating it with relevant informations
 PD_freq_resp.pdf 
  8483   Wed Apr 24 14:20:49 2013 KojiUpdateCDSFE Web view not updated?The FE web view seems not up-to-date, does
it? ( maybe for a year)
https://nodus.ligo.caltech.edu:30889/FE/c1mcs_slwebview_files/index.html
  
  8482   Wed Apr 24 00:44:33 2013 KojiUpdateSUSPRMI locked, ITMX pitch OpLev ringing upI tried to reproduce the locking situation
described in this
entry tonight.
  
  8481   Wed Apr 24 00:42:07 2013 JenneUpdateSUSPRMI locked, ITMX pitch OpLev ringing upKoji is working on PRMI locking, and while
he was doing that I glanced at the oplevs'
spectra for the ITMs and PRM.
 PRMI_locked_ITMXpitOpLevRingingUp.pdf 
  8480   Tue Apr 23 22:59:05 2013 ranaConfigurationSUSOptical Lever Gains normalizedDue to the recent addition   
  8479   Tue Apr 23 22:10:54 2013 ranaUpdateComputersNancycontrols@rosalba:/users/rana/docs
0$ svn resolve --accept working nancy
  
  8478   Tue Apr 23 16:31:13 2013 EricConfiguration PD frequency response[Eric, Riju]
Summary: Routing Fibers on AP table
for Photo Diode Frequency Response Measurement
  
  8477   Tue Apr 23 16:17:45 2013 DenUpdatePEMseismometer isolation kit in place

    

       
            
 Base.pdf.pdfConnectorPlate.pdf 
  8476   Tue Apr 23 15:02:19 2013 Max HortonUpdateSummary PagesImporting New CodeDuncan Macleod (original author of summary
pages) has an updated version that I would
like to import and work on.  The code
  
  8475   Tue Apr 23 15:00:20 2013 JenneUpdate40m Upgrading4 pins enough?

    

       
            
  
  8474   Mon Apr 22 20:17:05 2013 CharlesUpdateISSNew Servo w/switching filters 
In my previous post here,
a new servo design was discussed. Although
 6x 
  8473   Mon Apr 22 19:48:56 2013 JenneUpdate40m Upgrading4 pins enough?Are 4 of these spring loaded pins enough? 
I'm not sure how one pin can hold 2 lids
at each point.  It seems like we need
  
  8472   Mon Apr 22 17:43:09 2013 SteveUpdate40m Upgrading ETMY optical table & enclosure is ready for optics

    

       
            
 more2.jpg 
  8471   Mon Apr 22 17:06:42 2013 ranaSummaryIOOMC locked/aligned. MC WFS offloading by ezcaservo 
 Why use the PSL beam as a reference?
Don't we want to keep the MC pointing in
  
  8470   Mon Apr 22 12:03:58 2013 KojiUpdatePSLPMC aligned tooPMC aligned. C1:PSL-PMC-PMCTRANSPD improved
from 0.72ish to 0.835ish.
  
  8469   Mon Apr 22 11:46:09 2013 KojiSummaryIOOMC locked/aligned. MC WFS offloading by ezcaservoЕру ьс шы
тщц дщслув
фтв фдшптувю
  
  8468   Mon Apr 22 11:26:25 2013 KojiConfigurationCDSsome RT processes restartedWhen I came to the 40m, I found most of
the FB signals are dead.
The suspensions were not dumped but
  
  8467   Fri Apr 19 16:58:59 2013 JenneUpdateASCArm A2L measurement scripts 90% working againAfter Den's work with the ASS model this
week, all of the channel names were changed
(this wasn't pointed out in his elog....grrr),
  
  8466   Fri Apr 19 15:19:25 2013 JamieUpdatePEMTrilliums moved from bench to concreteI moved the two Trillium seismometers that
Den left on the electronics bench out onto
the new concrete blocks in the lab that will
  
  8465   Fri Apr 19 13:28:39 2013 DenUpdateASCdither alignment of yarmI've put 4 scripts into ASS directory for
YARM alignment. They should be called from
!Scripts YARM button on c1ass main medm screen.
  
  8464   Fri Apr 19 04:20:41 2013 DenUpdateLockingPRMI on sidebandsTonight PRMI was locked on REFL55 I&Q
for PRCL and MICH with POP110I as a trigger
and power normalizer.
 pop_iq.pngrin.pngpop110_i.png 
  8463   Thu Apr 18 21:12:56 2013 ManasaUpdateLockingFixed[Den, Manasa]

TRY & TRX power measurement was
  
  8462   Thu Apr 18 19:54:11 2013 JenneUpdateLSCLSC whitening triggering workingI have implemented automatic triggered
switching of the analog whitening (and digital
dewhitening). 
 LSC_FM_Trig.pngRF_PD_block.pngLSC_triggers.pngLSC_SigCond.png 
  8461   Thu Apr 18 15:08:14 2013 SteveUpdatePEMseismometer isolation kit in place

    

       
            
 grouting1.jpggrouting2.jpggrouting3.jpggrouting4.png 
  8460   Thu Apr 18 02:51:52 2013 DenUpdatePSLFSS slow servoToday Rana pointed out that our FSS slow
servo is malfunctioning. It has been for
a while that our laser temperature control
  
  8459   Thu Apr 18 02:24:58 2013 DenUpdateASCdither alignment of yarmI modified our existing c1ass model to
include alignment of input steering TT1 and
TT2 for YARM and BS for XARM. Corresponding
 OL.pngdither_yarm.pngYARM_CTRL_DITHER.pdfTRY_DITHER.pdf 
  8458   Wed Apr 17 02:20:13 2013 ManasaUpdate40m UpgradingEndtable upgrade for auxiliary green laser : progress 
Assembly progress: 
1. ETMY oplev setup has been put
 TRY_OPL.jpgGRY.jpg 
  8457   Mon Apr 15 17:44:28 2013 AlbertUpdateoptical tablesOptical Table Toolboxes UpdateI decided to go see what the electrical
tape looks like on the other tools.
These are the tools I felt were necessary
 photo.JPG 
  8456   Mon Apr 15 16:10:52 2013 DenUpdatePEMseismometer isolation kit  We got granite bases today from the
manufacturer. We plan to set them up on Wednesday,
8 am. Please note, there will be an installation
  
  8455   Sun Apr 14 23:20:42 2013 DenUpdateLockingFixed

    

       
            
  
  8454   Sun Apr 14 17:56:03 2013 ranaUpdateLockingprcl angular motion

    

       
            
  
  8453   Sun Apr 14 17:30:14 2013 ManasaUpdateLockingFixedTRY path fixed and ready for normalization.

I used 2" BS at R=50 and R=98
  
  8452   Sun Apr 14 15:03:17 2013 ManasaUpdateLockingFixing - progress

    

       
            
  
  8451   Sat Apr 13 23:11:04 2013 DenUpdateLockingprcl angular motion

    

       
            
 pointing.pdf 
  8450   Sat Apr 13 03:45:51 2013 ranaUpdateLockingprcl angular motion 
 Maybe its equivalent, but I
would have assumed that the input beam is
  
  8449   Fri Apr 12 13:21:34 2013 DenUpdateLockingprcl angular motion

    

       
            
  
  8448   Fri Apr 12 10:33:42 2013 CharlesSummaryISSDC-Coupled ISS Servo DesignGeneral ISS Design
Signals
through the ISS are directed as follows:
 Example_Switching_Filter_Transfer_Function_-_Switch_Closed.pngExample_Switching_Filter_Transfer_Function_-_Switch_Open.png 
  8447   Fri Apr 12 09:20:32 2013 ranaUpdateLockingprcl angular motion How
is the cavity g-factor accounted for in this
  
  8446   Fri Apr 12 02:56:34 2013 DenUpdateLockingprcl angular motionI compared PCRL and XARM angular motions
by misaligning the cavities and measuring
power RIN. Divergence angles for both cavities
 pointing.pngoplev_exc.pdf 
  8445   Thu Apr 11 16:29:23 2013 AlbertUpdateoptical tablesOptical Table Toolboxes Update

    

       
            
 Diagram.png 
  8444   Thu Apr 11 11:58:21 2013 JenneUpdateComputersLSC whitening c-code readyThe big
hold-up with getting the LSC whitening
triggering ready has been a problem with
  
  8443   Thu Apr 11 10:15:55 2013 SteveUpdateLockingPRM yaw oplev transferfunctionSee   Feb
2012 PRM yaw transferfunctions, also
check Valera's modified  side
  
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