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  40m Log, Page 320 of 341  Not logged in ELOG logo
ID Date Authorup Type Category Subject Text Attachments
  2612   Thu Feb 18 10:10:43 2010 steveConfigurationGeneral480 V AC power turned offOnly the 40m cranes are running on 480VAC
The electricians are rewiring this transformer
on the mezzanine so it was shut down.
  
  2632   Tue Feb 23 14:56:24 2010 steveUpdateGeneralETMX optical table massOur janitor dropped one 48" long 
fluorescent tube on the top cover of ETMX-isct.
This accident made glasses fly all over the
 etmxmass.jpg 
  2633   Tue Feb 23 16:20:44 2010 steveConfigurationVACoutgassing + leak

    
        
 outgleak.jpg 
  2644   Fri Feb 26 15:32:13 2010 steveConfigurationVACpreparation for power outage: vacuum all offThere is a planned power outage tomorrow,
Saturday from 7am till midnight.
I vented all annulies and switched
 ventd3.jpg 
  2647   Mon Mar 1 08:49:37 2010 steveBureaucracySAFETYsafety auditThe 40m safety audit will be at Wednesday
afternoon, March 3
Please participate getting our lab
  
  2648   Mon Mar 1 11:21:50 2010 steveConfigurationVACvacuum contoller is back to normal


   
        
            
  
  2658   Fri Mar 5 11:21:18 2010 steveUpdateSUSused OSEMs are magnetic


   
        
            
  
  2663   Tue Mar 9 09:04:20 2010 steveUpdatePEMkeep vacuum chamber closedThey are sandblasting at CES: our particle
counts are very high. DO NOT OPEN CHAMBER!
 sandblasting.jpg 
  2667   Thu Mar 11 15:24:51 2010 steveMetaphysicsEnvironmentIFO was well protected

    
        
  
  2670   Fri Mar 12 17:08:22 2010 steveConfigurationVACbg-RGAscan at d18RGA scan of rga-region only at day 18  
This is the back ground of the rga with some
calibration gas.
 bg-d18_20100312scan.png 
  2673   Mon Mar 15 09:43:47 2010 steveUpdatePEMmore sandblasting todayDo not open IFO vacuum envelope today!
They are sandblasting again at CES
  
  2674   Mon Mar 15 16:39:36 2010 steveUpdatePEMGuralp2 centered

    
        
 grlp2ffst.jpg 
  2677   Tue Mar 16 09:37:30 2010 steveUpdateSUSeq 4.4 seen by oplevs and osemsThe oplev plots clearly show the alignment
effect of this eq.
 opleveq4.4.jpgeq4.4.jpgopleveq4.4d3.jpg 
  2678   Thu Mar 18 08:49:51 2010 steveUpdatePEMGuralp2 centered again ? 
Someone adjusted the Guralp2 mass
position last night??
 grlp2xadj.jpg 
  2694   Mon Mar 22 11:37:09 2010 steveUpdatePEMjackhammeringThere was more jackhammering this morning
just about 20 ft north-west of the beamsplitter
chamber, outside.
 jackhammering2.jpg 
  2699   Tue Mar 23 09:37:36 2010 steveUpdateIOOvac envelope has to be sealed as antproof for overnight


   
        
            
 pc3.JPGpc4.JPG 
  2701   Tue Mar 23 10:11:13 2010 steveUpdatePEM small air cond unit failed yesterdayOld control room air condition failed yesterday
around noon. It was blowing 80-85F hot air
for about 2-3 hours at racks 1Y4-7 and the
 20datm.jpg 
  2713   Thu Mar 25 09:07:08 2010 steveUpdatePEMGuralp2 x problem is back

    
        
 grlp2xproblm.jpg 
  2716   Fri Mar 26 10:48:35 2010 steveUpdateSAFETYsafety glasses measuredSafety
glasses 1064 nm transmission measured at
~200 mW level. They are all good.
 P1060188.JPGP1060199.JPG 
  2742   Wed Mar 31 15:31:53 2010 steveUpdatePSLReference Cavity RF PD base upgraded


   
        
            
 brspdbs.JPG 
  2743   Wed Mar 31 16:31:44 2010 steveUpdatePEMGuralp interface box turned off

    
        
 grlpntrfcbxoff.jpg 
  2765   Mon Apr 5 08:43:48 2010 steveUpdatePEMearthquake mag 7.2Large
earthquake shakes Baja California, Mexico
and 6 over Magnitude 5 aftershakes follow. 
 eq7.2.jpg 
  2769   Mon Apr 5 11:39:41 2010 steveUpdateSUSITM-south installation


   
        
            
  
  2773   Mon Apr 5 14:10:06 2010 steveUpdateSUSsus damping restored

    
        
  
  2778   Wed Apr 7 09:00:01 2010 steveHowToPEMprepare to open chamberIn order to minimize the diffusion of more
dust particles into the vented IFO vacuum
envelope
 0.5micron.jpg 
  2801   Thu Apr 15 14:47:28 2010 steveUpdateElectronics25MHZ oscillation of HP4195AThe 1979 vintage RF spectrum analyzer HP4195A 
sn2904J01587 shipped out  for repair
today to http://www.avalontest.com
 P1060246.JPGP1060249.JPG 
  2812   Tue Apr 20 07:48:42 2010 steveUpdatePSLion pump HV turned onWe found ref-cavity HV was off yesterday
afternoon. It was turned back on.
  
  2813   Tue Apr 20 08:00:52 2010 steveUpdateSUSETMY damping restoredETMY sus damping was restored   
  2814   Tue Apr 20 09:15:15 2010 steveSummarySAFETYannual safety audit   safa.PDF 
  2815   Tue Apr 20 10:55:10 2010 steveBureaucracySAFETYKevin Kuns received safety training The 40m's new undergrad Kevin Kuns was
introduced to 40m safety hazards. He is new
and needs guidance as specially with 2W laser
  
  2831   Thu Apr 22 09:03:54 2010 steveOmnistructurePEMaircondition can not be turned offKoji and I wanted to turn off the IFO-room
AC so the wind would not blow on MC1-3. We
could not. The switches were probably bypassed
  
  2842   Mon Apr 26 11:13:28 2010 steveOmnistructurePEMAC on/off is working


   
        
            
  
  2919   Wed May 12 09:16:29 2010 steveUpdateGreen LockingReflection from ETM and ITM ! 
 Now I know why Rana was wearing
his bright green pants yesterday. It is nice
  
  2930   Fri May 14 08:18:46 2010 steveUpdateGreen LockingReflection from ETM and ITM !I stopped AWG  1 Hz drive to ITMYs.
ITMXe was also driven or oscillating. ITMXe
damping was off, so I turned it on. It did
 itmx1hzos.jpg 
  2939   Mon May 17 10:57:16 2010 steveConfigurationSUSdamping restored to ETMYsETMY-south sus damping was restored   
  2943   Tue May 18 11:54:29 2010 steveConfigurationSAFETYpsl mechanical shutter is not workingAs we learned yesterday, the PSL laser
power out put mechanical shutter is not working
in the remote mode. It only works in local
  
  2947   Tue May 18 15:09:02 2010 steveConfigurationSAFETYPSL output shutter in order again


   
        
            
  
  2965   Fri May 21 08:28:29 2010 steveConfigurationVACTP3 turned off


   
        
            
  
  2970   Fri May 21 16:37:35 2010 steveConfigurationVACtp3's drypump replacedBob replaced the tipseal in an other drypump
and I swapped it in. TP3 turbo is running
again, it's foreline pressure is 40 mTorr.
  
  2972   Mon May 24 07:53:57 2010 steveConfigurationPEMair cond. just turned ONIFO room temp 27.5C , Please remember to
turn AC back on !
 acoff.jpg 
  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 
  3033   Wed Jun 2 07:54:55 2010 steveUpdateMOPAlaser headtemp is upIs the cooling line clogged? The chiller
temp is 21C See 1 and 20 days plots
 htemp.jpghtemp20d.jpg 
  3037   Wed Jun 2 18:09:32 2010 steveUpdatePEMseismometers off of linoleum floorSteve for Nancy,
Seismometer interface box ac power
was turned off, Guralps disconnected and
  
  3039   Wed Jun 2 21:21:43 2010 steveUpdatePEMseismometers off of linoleum floor
  
  3058   Wed Jun 9 10:31:13 2010 steveUpdateSAFETYsafety trainingNancy and Sharmila received introductory
early bird surf safety training for the 40m
lab.
  
  3108   Wed Jun 23 17:48:16 2010 steveUpdateMOPAlaser head tempThe laser chiller temp is fluctuating and
the power output is decreasing. See 120 days
plot.
 htemp120d.jpg 
  3130   Tue Jun 29 08:41:06 2010 steveUpdateMOPAMOPA is deadI found the laser dead this morning.
The crane people are here to unjam
it.
 laserisdead.jpg 
  3150   Wed Jun 30 18:16:55 2010 steveUpdateSAFETYSURF safety training 201040m SURFs Razib Obaid, Nancy Aggarwal,
Unknown Bearded SMURF, Megan
 DSC_1902.JPG 
  3152   Thu Jul 1 10:26:34 2010 steveConfigurationVACpd68 at vacuum normal stateSlow pump down _pd68 has reached the vacuum
normal state.  CC4_Rga region is pumped
now. The RGA is still off.
 pd68slow2d.jpgpem134d.jpg 
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