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IDup Date Author Type Category Subject Text Attachments
  5791   Wed Nov 2 21:49:59 2011 KatrinUpdateCDSc1iscey computer died againwhile I was not doing anything on the machine.   
  5792   Wed Nov 2 22:02:39 2011 JenneUpdatePhotosNew screen snapshot script written!After lots of trial and error, and a little
inspiration from Koji, I have written a new
script that will run when you select "update
  
  5793   Thu Nov 3 13:00:52 2011 JenneUpdatePhotosFormatting of MEDM screen names

    

       
            
  
  5794   Thu Nov 3 14:25:52 2011 kiwamuUpdateLSCPDA10A as POP22/110 : too small signalIt
turned out that the signal was too small
with PDA10A to detect the 22 and 110 MHz
  
  5795   Thu Nov 3 15:14:22 2011 KojiUpdateCDSCSS/BOY installed on pianosaHow
to run/use CSS/BOY
 CSS_snapshot1.pngOPI_EDITOR.pngADL2OPI1.pngADL2OPI2.png 
  5796   Thu Nov 3 16:31:47 2011 kiwamuUpdateLSCPDA10CF as POP22/110 : betterThe
POP22/110 RFPD has been replaced by PDA10CF.
As a result the 22 and 110 MHz signals became
  
  5797   Thu Nov 3 16:43:44 2011 KatrinUpdateGreen LockingSHG temperature (YARM)Plugging in the thermal feedback BNC cable
to the laser reduced the DC voltage of the
green PDH photo diode from 3.12 V to 1.5V
  
  5798   Thu Nov 3 17:04:23 2011 KojiUpdateGreen LockingSHG temperature (YARM)Changing the crystal temperature changes
the laser frequency. This will causes the
beat note missing at the vertex.
  
  5799   Thu Nov 3 17:19:54 2011 SureshUpdateIOOMC realigned to center the spots on actuation nodesSeveral activities in the past week (elog1,
Mirko's rough realignment of MC and adjustment
  
  5800   Thu Nov 3 17:24:59 2011 ZachUpdateGreen LockingSHG temperature (YARM)I must confess that I changed the temperature
of the laser via the dial yesterday. I believe
the initial (displayed) temperature was ~19o,
  
  5801   Thu Nov 3 18:41:36 2011 kiwamuUpdateLSCPOX11 demod board : haven't been modified yetI
pulled out the POX11 demod board and found
the power splitter on the board hadn't been
  
  5802   Thu Nov 3 19:58:18 2011 kiwamuUpdateLSCPOX11 demod board : modification doneThe modification
on the POX11 demod board has been successfully
 POX11demod.png 
  5803   Thu Nov 3 22:32:48 2011 SureshUpdateIOOMC realigned to center the spots on actuation nodes


   
        
            
 20111103_1.png20111103_2.png 
  5804   Fri Nov 4 00:13:24 2011 KojiUpdateLSCXARM locked with POX11XARM lock was achieved by POX11_I
Summary:
- The  whitening gains of POX11_I
 POX11.pdf 
  5805   Fri Nov 4 00:25:49 2011 ZachUpdateSUSDr. SUS paths updated--question of human oversight remains
    I have replaced all instances
  
  5806   Fri Nov 4 05:24:56 2011 kiwamuUpdateLSCoffset introcuded in MC and IFO-configure script modified[Offsets in MC]
 I have introduce an offset
in MC2 PIT because the PZT1 again started
  
  5807   Fri Nov 4 13:04:50 2011 ZachUpdateGreen LockingPassive summing box modificationsI spent some time the other day trying
to diagnose the problem with the Y Arm universal
PDH box (S/N 17), which Katrin
 sum_circuit_new.pngsumbox_TFs.png 
  5808   Fri Nov 4 13:13:25 2011 ZachUpdateGreen LockingPDH box #17 modified, tooI also modified the Y-Arm PDH box itself
slightly. Previously, there was a flying
10k resistor from the SWEEP input to TP2.
  
  5809   Fri Nov 4 13:53:33 2011 KatrinUpdateGreen LockingSHG temperature (YARM)

    
        
  
  5810   Fri Nov 4 14:18:24 2011 MIrkoUpdateAdaptive FilteringCoherence between seismometers and MC lengthLooking into the coherence between the
seismometers and IMC length (MC_F):
FIrst with the seismometers only
 Coherence_without_compensation.pngWith_Pend_compensation.matCoherence_with_compensation.png 
  5811   Fri Nov 4 15:24:13 2011 MirkoUpdateAdaptive FilteringAdaptive FF on the MC doesn't make sense[Den, Jenne, Mirko]
 DSC_3585.JPG 
  5812   Fri Nov 4 15:26:54 2011 JenneUpdateLSCLSC model recompiledI moved the place where we take the OAF
Degree of Freedom signals from - now it's
the error point rather than the feedback
  
  5813   Fri Nov 4 16:23:41 2011 SureshUpdateIOOMC spot decenter measuredAfter Kiwamu adjusted the MC2 PIT to accommodate
the limited range of the PZT1 ( elog
),  I remeasured the spot positions
  
  5814   Fri Nov 4 19:30:06 2011 ranaUpdateSUSDr. SUS paths updated--question of human oversight remainsMy inclination is to not do the writing
of the matrices automatically nor to do the
weekly kicks. Its nice to have long locks
  
  5815   Fri Nov 4 21:15:38 2011 KatrinUpdateGreen LockingNew fiber coupler (YARM)63% coupling efficiency into the new fiber
collimator (Thorlabs XXXX) and the blue fiber.This
should be sufficient for a beat measurement
  
  5816   Fri Nov 4 21:52:58 2011 DenUpdateAdaptive Filteringcoherence[Mirko, Den]
We still think about the coherence
between seismic noise and mode cleaner length.
 mirror_platform.jpgcoherence.jpgScreenshot-4.png 
  5817   Sat Nov 5 00:04:23 2011 kiwamuUpdateASCASS scripts goneDid
somebody delete all the scripts in /opt/rtcds/caltech/c1/scripts/ASS
  
  5818   Sat Nov 5 00:24:13 2011 SureshUpdateASCASS scripts gone


   
        
            
  
  5819   Sat Nov 5 01:10:29 2011 SureshUpdateIOOWFS output matrix measured (open loop) 
The
scripts and screens needed to make the MC
  
  5820   Sat Nov 5 04:30:21 2011 kiwamuUpdateGreen LockingRe:Passive summing box modificationsI think you also should check the PZT's
capacitance of the 700mW LightWave because
2.36 nF is the one for the 1W Innolight laser.
  
  5821   Sat Nov 5 14:54:59 2011 KojiUpdateASCASS scripts goneIn any case, the daily backup of the scripts
are found in /cvs/cds/caltech/scripts_archive. 
  
  5822   Sat Nov 5 21:19:08 2011 ZachUpdateSUSDr. SUS paths updated--question of human oversight remainsOk, here's the deal:

    For the time being, I
have written a "
  
  5823   Sun Nov 6 09:39:25 2011 Dr. SUSUpdateSUSOptics kickedAll suspended optics have been kicked at Sun
Nov  6 09:39:25 PST 2011. Watchdogs will
be reengaged in 5 hours. Please refrain from
  
  5824   Sun Nov 6 16:58:25 2011 ZachUpdateSUSDr. SUS failed--NDS2 problems again Dr. SUS failed while trying to   
  5825   Sun Nov 6 21:09:03 2011 ranaUpdateAdaptive Filteringcoherence


   
        
            
  
  5826   Mon Nov 7 08:08:24 2011 steveUpdateIOOPMC lockedThe PMC acted like it was sleeping. The
HV slider was dead. The MC locked instantly
as the PMC had transmission.
 pmcHV.png 
  5827   Mon Nov 7 08:25:15 2011 steveUpdateGeneralno electricity on Nov. 20The
Nov.19 interruption was rescheduled to be
on Nov.20,2011
  
  5828   Mon Nov 7 11:50:42 2011 JenneUpdateelogRestarted elogElog restart script killed the elog, but
didn't restart it.  Restarted by hand.
  
  5829   Mon Nov 7 12:51:44 2011 ZachUpdateelogRestarted elogI've noticed that it always takes running
the script twice for it to actually work.
I think there's something wrong with how
  
  5830   Mon Nov 7 14:50:19 2011 JenneUpdateComputersISCEX is having a bad dayI clicked on the FE status screen, just
to check on things, and everything on the
c1iscex section was 
  
  5831   Mon Nov 7 14:58:17 2011 steveUpdateGeneralChamber illuminator remote switches installed

    

       
            
  
  5832   Mon Nov 7 15:15:21 2011 JenneUpdateLSCLSC model recompiled

    
        
  
  5833   Mon Nov 7 15:43:25 2011 jamieUpdateLSCLSC model recompiled

    

       
            
  
  5834   Mon Nov 7 15:49:26 2011 jamieUpdateIOOWFS output matrix measured (open loop)

    

       
            
  
  5835   Mon Nov 7 16:42:56 2011 JenneUpdateAdaptive FilteringBLRMS's to monitor OAF channelsI copied Mirko's PEM BLRMS block, and made
it a library part.  I don't know where
such things should live, so I just left it
  
  5836   Mon Nov 7 17:27:28 2011 jamieUpdateComputersISCEX IO chassis timing slave deadIt appears that the timing slave in the
c1iscex IO chassis is dead.  It's front
"link" lights are dark, although
  
  5837   Mon Nov 7 17:38:18 2011 KatrinUpdateGreen LockingYARM length fluctuation   fluctuation.pngfluctuation_length.pngfluctuation_Hz_length.png 
  5838   Mon Nov 7 22:20:18 2011 kiwamuUpdateGreen LockingRe:YARM length fluctuationA nice plot !
Can you put another y-axis on the
right hand side of the same plot  in
  
  5839   Tue Nov 8 10:34:42 2011 SureshUpdateIOOMC spot decenter measured


   
        
            
  
  5840   Tue Nov 8 12:07:08 2011 SureshUpdateIOOMC WFS Servo: suppression of WFS error signals below 3HzI switched on the WFS servos with the output
matrix (open loop) determined last Friday. 
 WFS_servo-20111108.png 
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