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New entries since:Wed Dec 31 16:00:00 1969
ID Dateup Author Type Category Subject Text Attachments
  8500   Sat Apr 27 00:21:06 2013 KojiUpdateLSCLocking activity on Apr 26thWhen I talked with Den via phone, he recommended
to use the trigger and normalization with
POP110I.
 Screenshot.png 
  8501   Sat Apr 27 00:29:40 2013 KojiUpdateLSCLSCoffset script fixedPrior to the locking trials...
scripts/LSC/LSCoffset script
  
  8502   Mon Apr 29 08:17:40 2013 AlbertUpdateoptical tablesOptical Table Toolboxes Update

    

       
            
  
  8503   Mon Apr 29 08:22:57 2013 SteveUpdateSAFETYsafety training 
 Albert, our new undergrad work
force received 40m specific- basic safety
  
  8504   Mon Apr 29 15:35:31 2013 Max HortonUpdateSummary PagesImporting New Code 
 I installed the new version
of LAL on allegra.  I don't think it
  
  8505   Mon Apr 29 15:53:49 2013 AlbertUpdateoptical tablesOptical Table Boxes

    

       
            
 7x 
  8506   Mon Apr 29 17:26:22 2013 RijuConfigurationRF SystemPD frequency response Today I have rerouted the fibers
on AP table to remove the fiber rolls out
of the AP table.  I removed the fibers
 7x 
  8507   Mon Apr 29 18:53:03 2013 JenneUpdateElectronics1pps timing fiber to OMC rack may be bentWhile helping Riju out this afternoon,
I noticed that the timing fiber that goes
to the OMC rack (near the AP table) was bent,
  
  8508   Mon Apr 29 22:13:41 2013 KojiUpdateLSCLocking with ASDCToday the locking was not as easy as that
was last Friday.
So I tried something new. Today Rana
 Screenshot.png 
  8509   Mon Apr 29 23:02:48 2013 KojiConfigurationLSCQuestonsQ. How much Schnupp asymmetry we want in
order to improve the signal ratio between
PRCL/MICH in REFL ports?
  
  8510   Tue Apr 30 10:54:35 2013 JenneUpdateSUSETMX restoredI'm not sure why or when it was tripped,
but I have restored the ETMX watchdog.
  
  8511   Tue Apr 30 12:25:23 2013 ChloeUpdate QPDAnnalisa and I met yesterday and fixed
the voltage regulator on the breadboard so
the QPD circuit is working. We will meet
  
  8512   Tue Apr 30 19:39:14 2013 RijuConfigurationRF SystemPD frequency responseToday I have rerouted the fibers on POX
table. The aim was to lay it overhead through
the plastic pipe. A pipe ~50ft (~15.5m) long
 IMG_0511.JPGIMG_0512.JPGIMG_0513.JPGIMG_0514.JPGIMG_0515.JPG 
  8513   Tue Apr 30 21:24:15 2013 JenneConfigurationRF SystemPOX fiber layingNice work.  That was a lot of effort,
but having done it so nicely will definitely
pay off, since it is now much harder to break
  
  8514   Tue Apr 30 22:40:57 2013 JenneUpdateSUSoplev XY-plots reflect new calibrationBack when Gabriele was here, he and I implemented
online calibration of the oplevs, into microradians. 
A consequence of this is that all of the
  
  8515   Tue Apr 30 23:04:23 2013 JenneConfigurationRF SystemOnly 4 25m cables orderedI have found in the depths of the elog
the (original?) list of fibers and lengths
that were decided upon:  elog
  
  8516   Tue Apr 30 23:17:25 2013 JenneUpdateLSCPRCL LSC filters copied to CARM bank temporarilyKoji is working on PRMI locking with different
photodiodes, and rather than typing different
numbers into the input matrix, it is more
  
  8517   Wed May 1 00:05:03 2013 KojiUpdateLSCMore stable lock of PRMI (REF33I and AS55Q)[Jenne Koji]
- Today the spots were moving more
than the usual. The OPLEV screens showed
 Screenshot.png 
  8518   Wed May 1 10:42:35 2013 SteveUpdateLSCcleanup  
 Optics from the car were placed
into glass door cabinet E0
  
  8519   Wed May 1 14:42:45 2013 JenneUpdateLSCPOP now has lens in front of PD

    

       
            
  
  8520   Wed May 1 17:36:26 2013 RijuConfigurationRF SystemPD frequency response Today I routed fiber from 1x16 splitter
to POY table. Manasa helped me doing that.
The fiber(25m) was laid on overhead
 IMG_0517.JPGIMG_0518.JPGIMG_0519.JPG 
  8521   Thu May 2 00:34:57 2013 KojiUpdateLSClocking- Routine alignment
Locked the arm cavties. Ran ASS.
As this was not enough precise alignment
 Screenshot.pngScreenshot2.pngScreenshot3.png 
  8522   Thu May 2 01:19:41 2013 ManasaUpdate40m UpgradingEndtable upgrade for auxiliary green laser : progressI started to put together optics at the
endtable. I am attaching the  layout with
the green blocks showing the optics that
 ETMY_0502.png 
  8523   Thu May 2 14:14:10 2013 Max HortonUpdateSummary PagesImporting New Code 
 LALFrame was successfully installed. 
Allegra had unmet dependencies with some
  
  8524   Thu May 2 19:59:34 2013 JamieUpdateComputer Scripts / Programslookback: new program to look at recent past testpoint dataTo aid in lock-loss studies, I made a new
program called 'lookback', similar to 'getdata',
to look at past data.
  
  8525   Fri May 3 01:24:25 2013 KojiUpdateASSDen fixed the Yarm ASS scriptsOutput matrices are added to ASS. Currently
ASS is based on the mirror bases.
I prefer to have the actuator bases
  
  8526   Fri May 3 08:55:55 2013 SteveUpdatePEM3.2 M earthquake   3.2eqChannelIland.png3.2eq.png 
  8527   Fri May 3 09:17:41 2013 SteveUpdateSUSETMX needs some help   ETMX3.2eq.png 
  8528   Fri May 3 17:32:59 2013 JenneUpdateLSCRemeasuring the Schnupp asymmetryI have looked at / analyzed the Schnupp
data that Annalisa and I took last week,
as well as some more Yarm data that I took
 Xarm_SchnuppData_April2013.pngYarm_SchnuppData_April2013.png 
  8529   Sat May 4 00:21:00 2013 ranaConfigurationComputersworkstation updates Koji and I went into "Update
Manager" on several of the Ubuntu workstations
and unselected the "check for updates"
  
  8530   Mon May 6 19:04:30 2013 JamieUpdateIOOmode cleaner not lockingAbout 30 minutes ago the mode cleaner fell
out of lock and has since not been able to
hold lock for more than a couple seconds.
  
  8531   Mon May 6 21:05:06 2013 rana, Jamie, KOjiUpdateIOOmode cleaner not lockingAs it turned out, the setting of +26dB
for the FSS Fast gain was making the NPRO
PZT / Pockels cell crossover too unstable.
  
  8532   Tue May 7 03:08:12 2013 JenneUpdate PRM yaw responsible for RINKoji spent some time earlier this evening
exploring where the excess RIN that we see
in the PRC is coming from. 
 BS_excited.pdfITMX_excited.pdfITMY_excited.pdfPRM_excited.pdf 
  8533   Tue May 7 03:14:06 2013 JenneUpdateSUSPRM SUS_LSC violin (FM5) set to correct frequencyWhile looking over Koji's shoulder earlier,
I noticed the big peak in the PRM yaw spectrum
(and I was starting to get annoyed by the
  
  8534   Tue May 7 03:25:28 2013 JenneUpdateIOOMC WFS drifting??I'm not sure why, but starting ~3.5 hours
ago, the WFS seem to not be holding the MC
in optimal alignment. 
  
  8535   Tue May 7 10:30:32 2013 KojiUpdateLockingPRM yaw responsible for RIN

    

       
            
  
  8536   Tue May 7 15:09:38 2013 Max HortonUpdateSummary PagesImporting New Code 
 I am now working on megatron,
installing in /home/controls/lal.  I
  
  8537   Tue May 7 16:21:01 2013 JenneSummaryLSCError signal simulation in PRMII asked Gabriele why it looked like for
the PRCL sweep REFL 55 I&Q were zero
at zero, but for the MICH sweep only REFL55
 8x 
  8538   Tue May 7 17:13:30 2013 JenneUpdateRF SystemIdeal PRMI RF frequencyKoji asked me to look at what the ideal
RF modulation frequency is, for just the
PRMI case (no arms).  If we had a perfect
  
  8539   Tue May 7 17:30:28 2013 KojiUpdateRF SystemIdeal PRMI RF frequencyTo change the MC length is not the point.
If we can improve the length sensing
by the intentional shift of the modulation
  
  8540   Tue May 7 17:43:51 2013 JamieUpdateComputers40MARS wireless network problemsI'm not sure what's going on today but
we're seeing ~80% packet loss on the 40MARS
wireless network.  This is obviously
  
  8541   Tue May 7 18:16:37 2013 JamieUpdateComputers40MARS wireless network problemsHere's an example of the total horribleness
of what's happening right now:

controls@rossa:~ 0$ ping 192.168.113.222
PING
  
  8542   Tue May 7 18:42:20 2013 JamieUpdatePSLPMC not lockingI'm just now realizing that the PMC has
also not been locked since noon today, and
doesn't seem to be responding to anything
  
  8543   Tue May 7 19:06:45 2013 ManasaUpdate40m UpgradingEndtable upgrade for auxiliary green laser : progressI have updated the waists (W)  and beam
diameters (D) at 1064nm optics on the
endtable.
 ETMY_endtable_New.png 
  8544   Tue May 7 19:58:28 2013 ranaFrogsTreasurerabbitt wholecontrols@rosalba:/opt/rtcds/caltech/c1/medm/c1ioo/master/master/master   
  8545   Tue May 7 20:09:10 2013 Jamie, RanaUpdatePSLPMC problem was FSS slow actuatorRana showed up and diagnosed the problem
as a railed FSS SLOW output.  The SLOW
Monitor about was showing ~6V, which is apparently
  
  8546   Tue May 7 20:35:15 2013 ranaUpdatePSLPSL database / screen maintenance
    Fixed LOCKMC screen to display
the SLOWM voltage instead of the ref cav
transmission.
    PSL Status .db
  
  8547   Tue May 7 23:03:12 2013 KojiConfigurationCDSCDS workSummary:
c1rfm / c1lsc / c1ass / c1sus were
  
  8548   Wed May 8 16:10:09 2013 JamieUpdateCDSUnknown DAQ channels in c1sus c1x02 IOP?Someone for some reason added full-rate
DAQ specification to some ADC3 channels in
the c1sus IOP model (c1x02):
  
  8549   Wed May 8 17:03:35 2013 JamieConfigurationCDSmake direct IPC connections between c1lsc and c1sus/c1mcsPreviously, for some reason, many IPC connections
were routed through the c1rfm model, even
if a direct IPC connection was possible. 
  
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