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  40m Log, Page 328 of 335  Not logged in ELOG logo
ID Date Authordown Type Category Subject Text Attachments
  2210   Mon Nov 9 12:09:10 2009 AlbertoOmnistructureEnvironmentBNC Cable Laid Down from South End to East VErtexI laid down the floor a BNC cable from
the Y End table to the BNC Chamber. The cable
runs next to the east wall.
 DSC_0986.JPG 
  2211   Mon Nov 9 13:17:07 2009 AlbertoConfigurationABSLNPRO onI turned the auxialiary NPRO for the AbsL
Experiment on. Its shutter stays closed.
  
  2213   Mon Nov 9 13:26:19 2009 AlbertoOmnistructureEnvironmentTidying up BNC cables rack around the labWe have thousands of miles of BNC cables
in the lab but we still don't find one when
we need it. I decided to solve the problem.
 DSC_0987.JPG 
  2214   Mon Nov 9 14:53:47 2009 AlbertoOmnistructureEnvironmentTidying up BNC cables rack around the labThis would be a good trial once you put
the label "BNC only" on
the wall.
  
  2217   Mon Nov 9 15:11:02 2009 AlbertoUpdateLSCEverything put back as it was


   
        
            
  
  2219   Mon Nov 9 16:32:36 2009 AlbertoFrogsEnvironmentShot of the white board yesterday before erasingYesterday Rana and I needed some room on
the white board in the Control Room. We had
to erase some of the stuff present on the
 DSC_0980.JPGDSC_0980.JPG 
  2220   Mon Nov 9 18:27:30 2009 AlbertoFrogsComputersOMC DCPD Interface Box Disconnected from the power SupplyThis afternoon I inadvertently disconnected
one of the power cables coming from the power
supply on the floor next to the OMC cabinet
  
  2226   Tue Nov 10 13:02:36 2009 AlbertoUpdateLSCX and Y Arm Cavity Poles MeasurementFrom fitting the arm cavity transfer functions
I got the following values for the cavity
pole frequencies.
 SummaryOfFits.pdfCodeAndData.tar 
  2227   Tue Nov 10 17:01:33 2009 AlbertoConfigurationIOOc1ioovme and c1iool0 rebooted This afternoon, while I was trying to add
the StochMon channels to the frames, I rebooted
the c1ioovme and c1iool0.
  
  2228   Tue Nov 10 17:49:20 2009 AlbertoMetaphysicsComputersTest Point Number MappingI found this interesting entry by Rana
in the old (deprecated) elog : here
I wonder if Rolf has ever written
  
  2229   Tue Nov 10 19:19:57 2009 AlbertoUpdateABSLRotated polarizer on the PSL table, along the MC input pick off beam Aligning the beam for the PLL of the AbsL
Experiement I rotated the polarizer along
the path of the MC Input pick off beam (=
  
  2230   Tue Nov 10 19:21:53 2009 AlbertoUpdateABSLPLL AlignmentI've been trying to lock the PLL for the
AbsL Experiment but I can't see the beat
(between the auxiliary NPRO and the PSL).
  
  2236   Wed Nov 11 12:29:44 2009 AlbertoFrogsPSLMC Locked on the wrong mode?This morning, after Steve pointed out that
the readout RFAMPD_DC was zero, I thought
of realigning the beam on the photodiode.
 PB110184-1.JPG 
  2238   Wed Nov 11 15:04:52 2009 AlbertoUpdateABSLWorking on the AP tableI've opened the AP table and I'm working
on it.
  
  2239   Wed Nov 11 16:18:57 2009 AlbertoUpdateABSLWorking on the AP table


   
        
            
  
  2249   Thu Nov 12 10:45:02 2009 AlbertoUpdatePSLAbandoned Frequency GeneratorThis morning I found a frequency generator
connected to something on the PSL table sitting
on the blue step next to the sliding doors.
  
  2250   Thu Nov 12 10:45:36 2009 AlbertoUpdateABSLWorking on the AP tableI've opened the AP table and I'm working
on it.
Also auxiliary NPRO turned on and
  
  2252   Thu Nov 12 11:34:38 2009 AlbertoUpdateABSLWorking on the AP table


   
        
            
  
  2253   Thu Nov 12 12:50:35 2009 AlbertoUpdateComputersStochMon calibrated channels added to the data trendI added the StochMon calibrated channels
to the data trend by including the following
channel names in the C0EDCU.ini file:
  
  2254   Thu Nov 12 12:51:45 2009 AlbertoUpdateABSLWorking on the AP table

    
        
  
  2256   Thu Nov 12 16:13:05 2009 AlbertoUpdatePSLMC Trans OffsetOn Rana's suggestion I checked the MC
transmission QPD (C1:IOO-MC_TRANS_SUM). I
found that the readout is almost zero when
  
  2257   Thu Nov 12 16:53:59 2009 AlbertoUpdateABSLWorking on the AP table


   
        
            
  
  2261   Thu Nov 12 18:10:27 2009 AlbertoUpdateABSLPLL LockedI locked the PLL and made some first measuremtns
of the spectrum of the error signal. I'll
post them later.
  
  2271   Sun Nov 15 18:42:10 2009 AlbertoUpdateLockingInterferometer fully locked for 3331 secondsThis afternoon, I tried to lock the interferometer
again after a few days.
After a couple of failed attempts,
  
  2302   Thu Nov 19 16:04:48 2009 AlbertoConfigurationelogElog debugging output - Down time programmed today to make changesWe want the elog process to run in verbose
mode so that we can see what's going. The
idea is to track the events that trigger
  
  2303   Thu Nov 19 18:49:55 2009 AlbertoConfigurationelogElog debugging output - Down time programmed today to make changes

    
        
  
  2308   Fri Nov 20 13:54:45 2009 AlbertoOmnistructureEnvironmentNew Paper and Cardboard Recycling Bins Introduced to the 40mThe 40m produces a large amount of paper
and cardboard waste. It would be worth it
if we disposed those kind of garbages for
 DSC_1030.JPGDSC_1031.JPG 
  2321   Tue Nov 24 14:33:22 2009 AlbertoUpdateABSLworking on the AP tableI'm working on the AP table. I also opened
the auxiliary NPRO shutter. The auxiliary
beam is on its path on the AP table and PSL
  
  2324   Tue Nov 24 19:16:02 2009 AlbertoUpdateABSLworking on the AP table


   
        
            
  
  2326   Wed Nov 25 08:43:08 2009 AlbertoUpdateABSLWorking on the AP tableI'm working on the AP table. I also opened
the auxiliary NPRO shutter. The auxiliary
beam is on its path on the AP table and PSL
  
  2328   Wed Nov 25 10:20:47 2009 AlbertoUpdateABSLAbsL PLL not able to lockLast night something happened on the
beat between the PSL beam and the auxiliary
NPRO beam, that spoiled the quality of the
  
  2329   Wed Nov 25 11:02:54 2009 AlbertoUpdateABSLAbsL PLL not able to lock

    
        
  
  2334   Wed Nov 25 15:42:27 2009 AlbertoUpdateABSLWorking on the AP table


   
        
            
  
  2337   Wed Nov 25 20:14:58 2009 AlbertoUpdateABSLAbsL PLL not able to lock: problem fixed

    
        
  
  2338   Wed Nov 25 20:24:49 2009 AlbertoUpdateABSLPLL Open Loop Gain MeasuredI measured the open loop gain of the PLL
in the AbsL experiment.
I repeated the measurement twice:
 2009-09-25_OLgain_g3png.png2009-09-25_OLgain_g6png.png 
  2339   Wed Nov 25 20:28:17 2009 AlbertoUpdateABSLStopped working on the AbsLI closed the shutter of the NPRO for the
night.
  
  2345   Mon Nov 30 10:28:47 2009 AlbertoAoGall down cond.sea of red

    
        
  
  2346   Mon Nov 30 11:29:40 2009 AlbertoAoGall down cond.sea of red

    
        
  
  2350   Thu Dec 3 15:55:24 2009 AlbertoAoGLSCRF AM Stabilizer Output PowerToday I measured the max output power at
the EOM output of one of the RF AM Stabilizers
that we use to control the modulation depth.
  
  2365   Tue Dec 8 10:20:33 2009 AlbertoDAQComputersBootfest succesfully completedAlberto, Kiwamu, Koji,
this morning we found the RFM network
and all the front-ends down.
  
  2376   Thu Dec 10 08:40:12 2009 AlbertoUpdateComputersFronte-ends downI found all the front-ends, except for
C1SUSVME1 and C0DCU1 down this morning. DAQAWG
shows up green on the C0DAQ_DETAIL screen
  
  2378   Thu Dec 10 08:50:33 2009 AlbertoUpdateComputersFronte-ends down

    
        
  
  2384   Thu Dec 10 13:10:25 2009 AlbertoConfigurationLSC166 LO DisconnectedI temporarily disconnected the Heliax cable
that brings the 166MHz LO to the LSC rack.
I'm doing a couple of measurement
  
  2389   Thu Dec 10 17:05:21 2009 AlbertoConfigurationLSC166 MHz LO SMA-to-Heliax connection repairedI replaced the SMA end connector for the
166 MHZ Local Oscillator signal that goes
to the back of the flange in the 1Y2 rack.
  
  2393   Thu Dec 10 18:31:44 2009 AlbertoConfigurationLSC166 LO Disconnected


   
        
            
  
  2396   Fri Dec 11 11:42:26 2009 AlbertoConfigurationLSC166 LO Disconnected


   
        
            
  
  2397   Fri Dec 11 13:18:17 2009 AlbertoConfigurationVACpumpdown has started


   
        
            
  
  2402   Fri Dec 11 19:51:13 2009 AlbertoConfigurationLSC166 LO Disconnected


   
        
            
  
  2413   Mon Dec 14 14:16:14 2009 AlbertoUpdateTreasureLOCKSTARS


   
        
            
  
  2415   Mon Dec 14 19:33:04 2009 AlbertoUpdateGeneralArm Cavity Poles measured again after cleaning the optics last weekLast week we vented and we cleaned the
main optics of the arm cavities.
I measured the frequency of the cavity
 XarmTF01_fit.pdfYarmTF01_fit.pdfArmCavityFinesseMeasurment.tar.gz 
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