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ID Dateup Author Type Category Subject Text Attachments
  2977   Tue May 25 00:10:24 2010 ZachUpdateIOOIMC table leveled againThe IMC table had to be leveled again,
for two reasons: 1) It was un-leveled when
Jenne and Kiwamu removed an extra beam dump
  
  2978   Tue May 25 07:22:59 2010 kiwamuUpdateElectronicsbad power supply of a vme rackNotes on May 25th
  
  2979   Tue May 25 07:58:23 2010 kiwamuUpdateelogelog downI found the elog got down around 7:30 am
in this morning.
So I restarted it by running the
  
  2980   Tue May 25 09:12:46 2010 kiwamuConfigurationGreen Lockingeffect from air conditionerWe should
completely turn off the air conditioner when
 green_spot.png 
  2981   Tue May 25 10:06:09 2010 kiwamuUpdateElectronicsbad power supply of a vme rack I
got a VME crate from Peter's lab. It is already
  
  2982   Tue May 25 16:32:26 2010 kiwamuHowToElectronicsfront ends are back [Alex, Joe, Kiwamu]
Eventually
  
  2983   Tue May 25 16:40:27 2010 josephb, alexUpdateCDSFinally tracked down why new models wouldn't talk to each otherThe problem with the new models using the
new shared memory/dolphin/RFM defined as
names in a single .ipc file.
  
  2984   Tue May 25 17:04:37 2010 KevinUpdate Beam Profile After Mode CleanerI fit the data from the beam profile that
Jenne measured on 5/21/2010. The distances
are measured from halfway between MC1 and
 mcfit.pngmcerrors.png 
  2985   Tue May 25 17:09:22 2010 KojiUpdateIOOBeam Profile After Mode CleanerVery nice as usual. Can you add the curve
to show the ideal mode of the MC on the profile
plot?
  
  2986   Tue May 25 17:22:56 2010 KevinUpdateIOOBeam Profile After Mode Cleaner

    
        
 mcfit.png 
  2987   Wed May 26 00:50:16 2010 JenneUpdateIOOMirrors moved in prep for round 2 of MC mode measuring[Jenne, Kevin, Kiwamu]
We moved some optics in preparation
for measuring the MC mode after the first
  
  2988   Wed May 26 04:14:21 2010 kiwamuUpdateGreen LockinglockedI guess
I succeeded in locking of the cavity with
 OLTF_endPDH.png 
  2989   Wed May 26 10:58:29 2010 josephbUpdateCDSNew RCG checkout for use with all machines plus some issuesNow that we have multiple machines we'd
like to run the new front end code on, I'm
finding it annoying to have to constantly
  
  2990   Wed May 26 12:59:26 2010 josephbUpdateCDSCreated sus, sup, scx, spx modelsI created the sus model, which is the suspension
controller for ITMX, ITMY, BS, PRM, SRM. 
I also created sup, which is the suspension
  
  2991   Wed May 26 14:28:01 2010 KojiUpdateIOOMirrors moved in prep for round 2 of MC mode measuringThat's true. But I thought that you measured
the mode after those optics and the effect
of them is already included.
  
  2992   Wed May 26 14:38:02 2010 KojiUpdateGreen LockinglockedCongratulation! Probably you are right,
but I could not get this is a real lock or
something else.
  
  2993   Wed May 26 15:34:00 2010 JenneUpdateIOOMirrors moved in prep for round 2 of MC mode measuring


   
        
            
  
  2994   Wed May 26 17:10:09 2010 AlbertoUpdate40m UpgradingRF Generation boxThis is how the RF generation box might
soon look like:
 Visio-frequencyGenerationBox_wiringSchematic.png 
  2995   Wed May 26 18:54:55 2010 AidanSummaryGreen LockingMounted Crystal 724 in the Doubling OvenAndri and I mounted the Raicol Crystal
#724 in one of the new Covesion Ovens. The
procedure was the same as before - see
  
  2996   Wed May 26 22:22:03 2010 AlbertoConfiguration40m UpgradingArm cavity lengthThe second sideband is resonant in the
arms for a cavity length of 37.9299m.
The nearest antiresonant arm lengths
 reflRFpowerVsArmLength_3658m.pngreflRFpowerVsArmLength_3750m.png 
  2997   Thu May 27 02:22:24 2010 kiwamuUpdateGreen Lockingmore details Here are some more plots
and pictures about the end PDH locking with
 stimes.pngspectrum.pngETMX_small.png 
  2998   Thu May 27 08:22:57 2010 AidanUpdateComputersRestarted the elog this morning    
  2999   Thu May 27 09:43:50 2010 ranaUpdateGreen Lockingmore details

    

       
            
  
  3000   Thu May 27 10:30:32 2010 kiwamuHowToGreen LockingPSL setup for green locking I
leave notes about a plan for the green locking
  
  3001   Thu May 27 12:52:02 2010 AlbertoUpdate40m UpgradingArm lengths
For both sidebands to be antiresonant
in the arms, the first modulation frequency
  
  3002   Thu May 27 23:59:54 2010 ranaUpdatePEMNew Foam Box installedValera
and I put the 2 Guralps and the Ranger onto
the big granite slab and then put the new
 Untitled.png 
  3003   Fri May 28 00:40:53 2010 ranaUpdatePEMDAQ down Although trends are available, I
am unable to get any full data from in the
past (using DTT or DV). I started the FB's
  
  3004   Fri May 28 07:13:05 2010 AlbertoFrogsGreen LockingSR785 found abandoned next to the workbenchesA poor lonely SR785 was found this morning
roaming around in the lab in evident violation
of  the fundamental rule which requires all
  
  3005   Fri May 28 10:44:47 2010 josephbUpdatePEMDAQ down

    
        
  
  3006   Fri May 28 11:26:35 2010 JenneUpdatePEMNew Foam Box installed


   
        
            
  
  3007   Fri May 28 11:35:33 2010 josephbUpdateCDSTaking a step backwards to get stuff runningI've modified the lsc.mdl and lsp.mdl files
back to an older configuration, where we
do not use an IO processor.  This seems
 working_lsc_lsp.png 
  3008   Fri May 28 13:17:05 2010 josephbUpdateCDSFixed problem with channel access on c1iscexTalked with Alex and tracked down why the
codes were not working on the new c1iscex
finally.  The .bashrc and .cshrc files
  
  3009   Fri May 28 13:32:01 2010 alberto, kiwamuUpdateVACvacuum workWe started
a vacuum work in this morning. And still
  
  3010   Fri May 28 13:51:51 2010 JenneUpdateVACvacuum work


   
        
            
  
  3011   Fri May 28 14:24:30 2010 JenneUpdateVACvacuum workI just got off the phone with Alberto and
Kiwamu, and I'm going to try to recalculate
things based on their measurements of the
  
  3012   Fri May 28 21:32:32 2010 AlbertoUpdate40m UpgradingMC alignment[Alberto, Kiwamu, Kevin, Rana]
Today we tried to measured the beam
shape after the MC MMT1 that Jenne installed
  
  3013   Fri May 28 23:21:52 2010 KojiUpdateIOOMC alignmentHm... You touched the optics between the
MC and the Faraday... This will lead us to
the painful work.
  
  3014   Sun May 30 13:26:07 2010 rana, kiwamuUpdatePSLnew HIGH-LOW value for PMC_TRANSWe changed
the HIGH/LOW values of the PMC_TRANS.
  
  3015   Sun May 30 15:33:21 2010 AlbertoConfigurationIOOmode cleaner and air conditioningThe mode cleaner is locked and the air
conditioning is full on. So the the air conditioning
doesn't seem to be so important for the lock
  
  3016   Sun May 30 15:36:22 2010 AlbertoConfigurationPSLIMC periscope shutterTwo days ago I opened the PSL shutter by
switching the switch on the shutter driver.
That caused the shutter's switch on the medm
  
  3017   Sun May 30 17:51:04 2010 kiwamuHowToPEMAllegra dataviewerI found the dataviewer didn't work only
on Allegra. This thing sometimes happened
as described in
  
  3018   Sun May 30 22:18:49 2010 ranaUpdatePEMGranite slab w/ lead balls is so far a flopThe seismometers showed an increased
noise in the Y-direction when put on top
of the granite slab. By tapping the slab,
  
  3019   Mon May 31 00:10:18 2010 kiwamuUpdateIOOMC alignment  [Alberto, Kiwamu]
The MC
  
  3020   Mon May 31 03:38:48 2010 KojiUpdateIOOMC alignmentRemember
that you only can introduce the axis translations
from the PSL table.
 MC_spot_centering.png 
  3021   Mon May 31 17:47:34 2010 kiwamuUpdateIOOtoday's plan : MC alignment[Alberto, Kiwamu]
0. have a coffee and then dress up
the clean coat.
  
  3022   Mon May 31 22:52:57 2010 ranaUpdatePEMGranite slab w/ lead balls is so far a flopThis plot shows the noise with the box
on, but no granite. We're still pretty far
off from the Guralp data sheet.
 Untitled.pnghuddlez.pnghuddlez.png 
  3023   Tue Jun 1 06:30:38 2010 KojiConfiguration40m Upgradingeffect of the arm length I checked the effect of the arm length
to the reflectance of the f2(=5*f1) sidebands.
Conclusion: If we choose L_arm
 arm_cavity1.pngarm_cavity2.pngarm_cavity.nb.zip 
  3024   Tue Jun 1 11:47:14 2010 steveUpdatePEMlead balls on concrete


   
        
            
 P1060269.JPG 
  3025   Tue Jun 1 15:51:42 2010 steveUpdatePEMfoam box for good thermal stabilityThis box was made  to provide good
thermal stability for seismometer calibration.
There is an inner solid shell of 0.064"
 albx2.PDF 
  3026   Tue Jun 1 16:29:51 2010 AlbertoUpdateIOOMC transmitted beam aligned to the Faraday; next things to doWe moved the MC-trans pick-off mirror (=
the beam splitter between the input of the
Faraday and the steering mirror located right
  
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