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ID Date Author Type Category Subject Text Attachments
  4343   Wed Feb 23 10:37:02 2011 josephbSummaryIOOMyterious data loss: FB needs investigationFriday: 
In addition to the other fixes, Alex
rebuilt the daqd process.  I failed to
  
  4342   Wed Feb 23 08:53:58 2011 SureshUpdateElectronicsRF Distribution box: Output power levelsWe wish to have roughly 2 dBm of output
power on each line coming out of the RF distribution
box.  So I adjusted the attenuators
 RF_Distribution_box_23rdFeb.jpg 
  4341   Wed Feb 23 04:56:59 2011 kiwamuUpdateGreen Lockingnoise curve updateNew
noise spectra of the green locking have been
updated.
 noise_suprresion.png 
  4340   Tue Feb 22 23:40:31 2011 KojiUpdateIOOMC mode mach improvementAs per Kiwamu's request I made a light
touch to the input steering and the mode
matching lens.
 IOO_MMT_110222.png 
  4339   Tue Feb 22 23:11:42 2011 valeraUpdate new medm screens: C1ASS.adl and C1MCASS.adl   C1MCASS.jpegC1ASS.jpeg 
  4338   Tue Feb 22 14:37:24 2011 steveUpdateSAFETYLarisa received 40m safety trainingLarisa Thorne received 40m lab specific,
basic safety training. She will attend P.
King's  Basic Laser Safety Training Session
  
  4337   Tue Feb 22 11:53:38 2011 steveUpdateElectronicsRF Distribution box: assembly completed


   
        
            
  
  4336   Tue Feb 22 00:41:34 2011 SureshUpdateElectronicsRF Distribution box: assembly completedThe mechanical assembly of RF distribution
box is 99% complete.  Some of the components
may be bolted to the teflon base plate if
  
  4335   Tue Feb 22 00:18:47 2011 valeraConfiguration c1ioo and c1ass work and related fb crashes/restartsI have been editing and reloading the c1ioo
model last two days. I have restarted the
frame builder several times. After one of
  
  4334   Mon Feb 21 23:00:06 2011 ZachSummaryelogrestarted again   
  4333   Mon Feb 21 17:29:57 2011 ranaSummaryIOOMyterious data loss: FB needs investigationLooks like there was a mysterious loss
of data overnight; since there's nothing
in the elog I assume that its some kind of
 Untitled.png 
  4332   Mon Feb 21 11:05:51 2011 ZachUpdateelogrestarted I restarted the elog using the script.   
  4331   Sun Feb 20 21:22:33 2011 rana, kiwamu, valeraConfigurationIOOMC Servo ChangeFor some reason, Kiwamu   
  4330   Sat Feb 19 05:25:20 2011 SureshUpdateElectronicsRF: Distribution boxMost of the RF cables required for the
box are done.   There are two remaining
and we will attend to these tonight. 
  
  4329   Sat Feb 19 01:58:20 2011 ranaSummaryElectronicsLow Noise BJT Pre-AmpFrank put his low noise preamp info here.
I suggest that we build these (using
  
  4328   Fri Feb 18 20:17:07 2011 JoonhoSummaryElectronicsIsolation of Voltage regulatorToday I was working on RF distribution
box.
So far I almost finished to electronically
  
  4327   Fri Feb 18 20:06:59 2011 kiwamuSummarySUScheck f2p function on ETMX  The
plot below shows how the f2p filters work.
 f2p_ETMX.png 
  4326   Fri Feb 18 18:46:08 2011 kiwamuSummarySUSf2p done on ETMX and ITMX
The f2p measurements are done on
 f2p_ITMX.pngf2p_ETMX.png 
  4325   Fri Feb 18 17:52:25 2011 josephb, valeraUpdateCDSc1ass updatedWe updated
the c1ass model to include the BS. 
We removed the dither excitation of the PZTs. 
 c1ass_updated.png 
  4324   Fri Feb 18 15:05:49 2011 kiwamuUpdateGreen Lockingtransfer function of angle to beat note (length) [Koji and Kiwamu]
 We
 a2l_TF.png 
  4323   Fri Feb 18 13:41:22 2011 josephbUpdateCDSCDS fixesI talked to Alex today and had two things
fixed:
First the maximum length of filter
  
  4322   Fri Feb 18 00:35:21 2011 kiwamuSummaryGeneralto do list for Feb. 18thDAYTIME
  -  more
  
  4321   Fri Feb 18 00:13:55 2011 kiwamuUpdateCDSRe:Daqd was rebuilt, now reverted.THANK
YOU, JOE !!!  
  
  4320   Thu Feb 17 23:56:53 2011 josephbUpdateCDSDaqd was rebuilt, now reverted.As one of the trouble shooting steps for
the daqd (i.e. framebuilder) I rebuilt the
daqd executable.  My guess is somewhere
  
  4319   Thu Feb 17 23:41:46 2011 ranaFrogsDAQFrames Directory got the wrong name: Data unreachableDTT stopped working for recent data. An
'ls' in the frames/full/ directory reveals:
drwxr-xr-x 2 controls controls
  
  4318   Thu Feb 17 23:11:40 2011 ranaUpdateElectronicsVCO Frequency Noise Measurement with the MFDThis is the 140 ft. MFD measurement of
the VCO phase noise. It is open loop
and so should be a good measurement. The
 vco.png 
  4317   Thu Feb 17 22:51:04 2011 josephb, valeraSummary dither alignment modelWe made a model for the dither angular
stabilization system c1ass.mdl. The attached
file shows the diagram.
 ass-model.png 
  4316   Thu Feb 17 14:52:27 2011 JenneUpdateIOOMC alignment workI worked a little bit more on optimizing
the mode matching to the MC, but it's still
not great.  I've only gotten a visibility
  
  4315   Thu Feb 17 14:17:27 2011 SureshUpdateElectronicsRF Distribution box and REFL11 
The Distribution box is several steps
nearer to completion.
  
  4314   Thu Feb 17 13:20:06 2011 SureshUpdateVIDEOSome more labels[Larisa, Kiwamu, Steve and Suresh]
 
  We continued the labeling
  
  4313   Thu Feb 17 11:51:14 2011 josephbUpdateCDSLockin filter names too long - broke loadingProblem:
Could not load filters into the C1:SUS-ETMX_LOCKIN1_SIG
filter bank.
  
  4312   Thu Feb 17 11:49:48 2011 josephbUpdateCDSFront end start/stop scripts go to /scripts/FE againI modified the core/advLigoRTS/Makefile
to once again place the startc1SYS and killc1SYS
scripts in the scripts/FE/ directory.
  
  4311   Thu Feb 17 11:20:04 2011 josephbUpdateCDSstart scripts no longer need sudoI've modified the rc.local file to run
the IOC codes as controls, which means they
no longer write root permission log files
  
  4310   Thu Feb 17 00:43:13 2011 kiwamuSummaryGeneralto do list for tomorrowLet's
share our tasks ! 
  
  4309   Wed Feb 16 23:54:34 2011 ranaUpdateCDSToday's CDS problems
    ETMX cannot load his filter
coefficients. Even if I change the file,
the load button doesn't work. I tried changing
  
  4308   Wed Feb 16 12:16:14 2011 josephbUpdateCDSFixed Optical level SUM channel names[Joe,Valera]
Valera
pointed out the OPLEV SUM channels were incorrect. 
  
  4307   Wed Feb 16 10:35:40 2011 Larisa ThorneUpdateIOOWFS quantum efficiency as a function of angle Here is the followup on Jenne's February
14th, 2011 update on the quantum efficiency
measurements of WFS2.
 QEcalcs.pdf 
  4306   Wed Feb 16 02:04:11 2011 kiwamuUpdateASCIR beam alignment[Jenne and Kiwamu]
 This time we aligned the vertical
  
  4305   Wed Feb 16 01:03:59 2011 JenneUpdateIOOMC alignment workSo.... Kiwamu and I were concerned (still
a little concerned) that ETMY is not damping
as nicely as it should be.  (It's fine,
  
  4304   Tue Feb 15 21:45:08 2011 ranaUpdateIOOThe MC TRANS StoryI forgot
to elog that last night I touched
up the MC2_TRANS QPD setup
 a.png 
  4303   Tue Feb 15 17:48:22 2011 JenneUpdateIOOMode Cleaner resonating again[Valera, Jenne]
After Steve and Valera switched out
the PMC, the Mode Cleaner resonance needed
  
  4302   Tue Feb 15 15:06:25 2011 josephbUpdateCDSCDS todo list for tomorrow morningCurrently, there is a test directory called
/opt/rtcds/caltech/c1/new_core where we have
the latest svn checkout.  Tomorrow (after
  
  4301   Tue Feb 15 11:57:06 2011 steve, valeraConfigurationPSLPMC swap We swapped the PMC s/n 2677 for s/n
lho006.
The table below summarizes the power
 P1070421.JPGP1070423.JPG 
  4300   Tue Feb 15 11:56:17 2011 josephbUpdateCDSUpdated some DAQ channel namesThat is my fault for not running the activateDAQ.py
script after a round of rebuilds.  I have
run the script this morning, and confirmed
  
  4299   Tue Feb 15 11:53:02 2011 kiwamuSummaryGeneraltoday's missionsI
think this week is going to be an "alignment
week".
  
  4298   Tue Feb 15 11:43:53 2011 JenneUpdateComputersOccasional error with NDS2Just in case anyone has encountered this
/ knows how to fix it....
I'm running NDS2 on Rossa, trying
  
  4297   Tue Feb 15 06:59:57 2011 Suresh, JenneOmnistructureGeneralX end enclosure left open[Jenne, Suresh]
 Jenne found the X-end table
enclosure had been left open.  She replaced
  
  4296   Tue Feb 15 06:15:07 2011 SureshUpdateASCno signal from IP_ANG_Seg1[Valery, kiwamu, Jenne, Suresh]
    I first interchanged
the two QPD's on the Y end table to see if
 Y-end_beam.JPG 
  4295   Tue Feb 15 03:10:37 2011 kiwamuUpdateASCIR beam alignment for Xarm : TRX reductionI tried aligning the IR beam axis for
the X arm to have good beam centering on
ITMX and ETMX.
  
  4294   Tue Feb 15 02:13:16 2011 kiwamuSummaryASCa daytime task : small signals on ETMX OLRana
and I found that the QPD for the optical
lever at X end are showing small signals.
  
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