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ID Date Author Typedown Category Subject Text Attachments
  8409   Wed Apr 3 22:26:51 2013 ranaConfigurationElectronicsputting together a 110 MHz LSC demod board For the 110 MHz demod boards, we
would ideally have a plugin bandpass filter.
If you have some specs in mind, you can email
  
  8415   Thu Apr 4 14:37:15 2013 JamieConfigurationElectronicsputting together a 110 MHz LSC demod boardI'm having Steve order the following:
2x  SXBP-100+
2x  SCLF-135+
  
  8426   Tue Apr 9 00:32:39 2013 ranaConfigurationIOOTurn on MCL Listening to the free swinging Y-arm,
its clear that the fringe velocity is higher
with the MCL path off, than on. I checked
  
  8434   Wed Apr 10 03:59:41 2013 DenConfigurationIOOTurn on MCL

    

       
            
 MCL.pdf 
  8437   Wed Apr 10 15:49:22 2013 AnnalisaConfigurationCOMSOL TipsYend table eigenfrequency simulation with COMSOL I made a Simulation with COMSOL for
the Yend table. Mainly, I tried to see how
the lower eigenmode changes with the number
 Pics_end_table.pdf 
  8468   Mon Apr 22 11:26:25 2013 KojiConfigurationCDSsome RT processes restartedWhen I came to the 40m, I found most of
the FB signals are dead.
The suspensions were not dumped but
  
  8478   Tue Apr 23 16:31:13 2013 EricConfiguration PD frequency response[Eric, Riju]
Summary: Routing Fibers on AP table
for Photo Diode Frequency Response Measurement
  
  8480   Tue Apr 23 22:59:05 2013 ranaConfigurationSUSOptical Lever Gains normalizedDue to the recent addition   
  8487   Wed Apr 24 18:51:12 2013 KojiConfigurationoptical tablesPD frequency responseThe fibers should be routed beneath the
electrical cables. 
They should be fixed on the table
  
  8492   Thu Apr 25 17:56:28 2013 RijuConfiguration PD frequency response [Eric, Riju]
Today we have routed the fibers from
1x16 fiber splitter to POX table for POX11
 IMG_0495.JPG 
  8493   Thu Apr 25 18:58:06 2013 KojiConfiguration PD frequency responseNo.... what I told was to put the roll
next
to the splitter, 
  
  8497   Fri Apr 26 17:08:42 2013 RijuConfiguration PD frequency response

    

       
            
  
  8499   Fri Apr 26 21:38:06 2013 JenneConfigurationRF SystemPD frequency responseI was sad to see that there wasn't a photo
of the POX situation after the fiber work
was done on Thursday.
 IMG_0498.JPGIMG_0499.JPGIMG_0500.JPG 
  8506   Mon Apr 29 17:26:22 2013 RijuConfigurationRF SystemPD frequency response Today I have rerouted the fibers
on AP table to remove the fiber rolls out
of the AP table.  I removed the fibers
 7x 
  8509   Mon Apr 29 23:02:48 2013 KojiConfigurationLSCQuestonsQ. How much Schnupp asymmetry we want in
order to improve the signal ratio between
PRCL/MICH in REFL ports?
  
  8512   Tue Apr 30 19:39:14 2013 RijuConfigurationRF SystemPD frequency responseToday I have rerouted the fibers on POX
table. The aim was to lay it overhead through
the plastic pipe. A pipe ~50ft (~15.5m) long
 IMG_0511.JPGIMG_0512.JPGIMG_0513.JPGIMG_0514.JPGIMG_0515.JPG 
  8513   Tue Apr 30 21:24:15 2013 JenneConfigurationRF SystemPOX fiber layingNice work.  That was a lot of effort,
but having done it so nicely will definitely
pay off, since it is now much harder to break
  
  8515   Tue Apr 30 23:04:23 2013 JenneConfigurationRF SystemOnly 4 25m cables orderedI have found in the depths of the elog
the (original?) list of fibers and lengths
that were decided upon:  elog
  
  8520   Wed May 1 17:36:26 2013 RijuConfigurationRF SystemPD frequency response Today I routed fiber from 1x16 splitter
to POY table. Manasa helped me doing that.
The fiber(25m) was laid on overhead
 IMG_0517.JPGIMG_0518.JPGIMG_0519.JPG 
  8529   Sat May 4 00:21:00 2013 ranaConfigurationComputersworkstation updates Koji and I went into "Update
Manager" on several of the Ubuntu workstations
and unselected the "check for updates"
  
  8547   Tue May 7 23:03:12 2013 KojiConfigurationCDSCDS workSummary:
c1rfm / c1lsc / c1ass / c1sus were
  
  8549   Wed May 8 17:03:35 2013 JamieConfigurationCDSmake direct IPC connections between c1lsc and c1sus/c1mcsPreviously, for some reason, many IPC connections
were routed through the c1rfm model, even
if a direct IPC connection was possible. 
  
  8550   Wed May 8 17:23:04 2013 JamieConfigurationCDSfixed direct IPC connection between c1als and c1mcsAs with the previous post, I eliminated
and unnecessary hop through c1rfm for the
c1als --> c1mcs connection for the ALS
  
  8551   Wed May 8 17:45:49 2013 JamieConfigurationCDSMore bypassing c1rfm for c1mcs --> c1ioo IPCsAs with the last two posts, I eliminated
more unnecessary passing through c1rfm for
IPC connections between c1mcs and c1ioo.
  
  8553   Wed May 8 19:31:17 2013 JamieConfigurationLSCLSC: added new SQRT_SWITCH to power normalization DOF outputsThis removes the old sqrt'ing from the
inputs to the POW_NORM matrix (was only on
the POP110 I/Q) and moves it to the DOF outputs. 
  
  8566   Mon May 13 23:05:26 2013 KojiConfigurationLSCPRMI locking- Disabled MCL path in mcdown/mcupscript.
Nominal gain in mcdown/mcup was -50
and -100 respectively.
 130513_PRC_ASC.pdf130513_PRC_ASC_servo.pdf 
  8573   Tue May 14 19:52:58 2013 RijuConfigurationRF SystemPD frequency response [Eric, Riju, Annalisa]
Today we have cleared up the fiber
spool near AP table. We have put the 1x16
 IMG_0520.JPGIMG_0521.JPG 
  8574   Tue May 14 20:27:19 2013 KojiConfigurationLSCOpenloop gain for PRMI lock May 13The OLTFs for PRCL and MICH for the last
night's lock were modelled using Yuta's python
script.
 LSCPRCLOLTF.pngLSCMICHOLTF.png130513.zip 
  8577   Wed May 15 00:45:28 2013 ranaConfigurationLSCOpenloop gain for PRMI lock May 13 
 Pfft.
  
  8578   Wed May 15 08:29:28 2013 SteveConfigurationRF Systemfiber protection at splitter box area I positioned the fiber loaded protecting
tubing and anchored them so they can do their
job.
 fiberprotect.jpg 
  8591   Thu May 16 11:50:25 2013 KojiConfigurationElectronicsMeasurement and empirical models of the AI board TFsYesterday, I pulled out the AI board
for the PRM/BS SUSs. (After the investigation
it was restored)
 D000186AD_TF.pdfD000186AD_TF.zip 
  8592   Thu May 16 22:03:16 2013 KojiConfigurationLSCY Green BBPD returned to the PSL tableI borrowed the GTRY BBPD  for the
REFL165 trial before.
Now the PD is back on the PSL table.
  
  8654   Thu May 30 10:40:59 2013 JamieConfigurationCDSAttempt to cleanup c1ioo ADC connectionsI have attempted to reconcile all of the
ADC connections to c1ioo.  Upon close
inspection, it appears that there was a lot
  
  8656   Thu May 30 11:28:34 2013 JamieConfigurationCDSc1als model cleanupThe c1als model was pulling out some ADC0
connections that were no longer used for
anything:
  
  8657   Thu May 30 11:33:26 2013 JamieConfigurationComputer Scripts / ProgramsASS medm/model changes need to be committed to SVNThere are a lot of changes to the ASS stuff
that have not been committed to the SVN:

controls@rossa:/opt/rtcds/userapps/release/isc/c1
  
  8673   Tue Jun 4 20:19:07 2013 ranaConfigurationIOOChanged threshold for FSS SLOW loopThe FSS SLOW actuator often   
  8725   Wed Jun 19 16:04:56 2013 JamieConfigurationComputer Scripts / Programsconlog startup fixed, and restartedI cleaned up a bunch of conlog
stuff to make it all a little more sane and
simple.  I also fixed the messy startup
  
  8726   Wed Jun 19 16:47:34 2013 JamieConfigurationComputer Scripts / Programsconlog startup fixed, and restarted

    

       
            
  
  8734   Thu Jun 20 17:47:44 2013 AnnalisaConfigurationSUSETMY oplev servo[Jenne, Annalisa]
The ETMY Oplev servo didn't work
properly, when it was activated the ETMY
  
  8746   Tue Jun 25 19:18:07 2013 gautamConfigurationendtable upgradeplan of action for PZT installation  This entry is
meant to be a sort of inventory check and
  
  8800   Wed Jul 3 21:19:04 2013 gautamConfigurationendtable upgradeplan of action for PZT installation This is an update on the situation
as far as PZT installation is concerned.
I measured the required cable (PZT driver
 DAC_bank.pngASC_schematic.pdf 
  8804   Mon Jul 8 13:45:19 2013 gautamConfigurationendtable upgradeDriver board verificationWith the help of an expansion card,  I
verified that the + 15V and + 24V
from the eurocrate in the slot I've identified
  
  8823   Wed Jul 10 22:41:06 2013 gautamConfigurationendtable upgradePZT Driver Board I
did the following with the 
 HV_Amplifier.pdf 
  8832   Thu Jul 11 23:50:57 2013 gautamConfiguration PZT Driver Board-changes made Summary:

 ASC_schematic.pdfDAC_Max_output.JPG 
  8845   Mon Jul 15 11:51:18 2013 gautamConfigurationendtable upgradeDAC at 1Y4-Max Output and Power Spectrum Summary:
I measured the maximum output of
the DAC at 1Y4 as well as its power spectrum.
 max_amp.JPGmax_amp_all_channels.JPGDACOffPowerSpec.pdfDACOnPowerSpec.pdfDAC2kPowerSpectrum.pdf 
  8846   Mon Jul 15 13:51:17 2013 KojiConfigurationendtable upgradeDAC at 1Y4-Max Output and Power SpectrumWe need the unit of the voltage power spectrum
density to be V/sqrt(Hz).
  
  8848   Mon Jul 15 15:54:20 2013 gautamConfigurationendtable upgradeDAC at 1Y4- Power Spectrum -with the right units

    

       
            
 DACOffPSD.pdfDAC500PSD.pdfDAC2000PSD.pdf 
  8850   Mon Jul 15 16:51:37 2013 AlexConfiguration Planned AS Table addition [Eric, Alex]
We are planning to add our reference
PD to the southern third of the AS Table
 AS_Table_Ref_PD_Addition.pdf 
  8852   Mon Jul 15 17:20:43 2013 JenneConfigurationendtable upgradeDAC at 1Y4- Power Spectrum -with the right unitsThose 'peaks' for the oscillations seem
ridiculously broad.  I think you should
look again, really quickly, with smaller
  
  8853   Mon Jul 15 17:59:31 2013 gautamConfigurationendtable upgradeDAC at 1Y4- Power Spectrum -6.4kHz bandwidth

    

       
            
 DAC-6.4_kHz_BW_PSD.pdf 
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