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New entries since:Wed Dec 31 16:00:00 1969
ID Date Author Typedown Category Subject Text Attachments
  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 
  8857   Tue Jul 16 14:51:09 2013 gautamConfigurationendtable upgradeAI Board-D000186-Modified notches I tried shifting the notch frequencies
on the D000186-revision D board given to
me by Koji. The existing notches were at
 D000186_Frequency_Response.pdf 
  8859   Tue Jul 16 17:02:41 2013 Alex ColeConfigurationElectronicsAS Table Additions [Eric, Alex]
We added our reference photodetector
(Newport 1611, REF DET) to the southern edge
 photo_1_(1).JPGphoto_2_(2).JPG 
  8862   Wed Jul 17 11:13:36 2013 Alex ColeConfigurationElectronicsAS Table Additions[Eric, Alex]
For the RFPD frequency response project,
we routed the fiber that will connect our
 photo_(1).JPG 
  8863   Wed Jul 17 16:15:42 2013 Alex ColeConfigurationElectronicsAS Table Additions[Eric, Alex]
We decided that the POY Table would
be a better home for our REF DET (Newport
 photo_1_(3).JPGphoto_2_(3).JPGphoto_3.JPG 
  8873   Thu Jul 18 19:09:08 2013 gautamConfigurationendtable upgradeQPD Calibration for PZT CalibrationSummary 
I have been working on setting up
a QPD which can eventually be used to calibrate
 QPD-XCalib.pdfQPD-YCalib.pdfError_Function_Fitting.zip 
  8874   Thu Jul 18 20:20:52 2013 gautamConfigurationendtable upgradeFirst mirror glued to PZT and mounted in modified mounts 
 Yesterday,
I mounted the first PZT in one of the modified
 Piezo-mirror.jpg 
  8875   Thu Jul 18 21:12:58 2013 gautamConfigurationendtable upgradeAI Board-D000186-All channels modified 
 I carried some further modifications
and tests to the AI Board. Details and observations
 AI_Board_Output.jpg 
  8877   Thu Jul 18 23:34:40 2013 gautamConfigurationendtable upgradeCoarse adjustment of PZT axes orientation in mount I have
managed to orient the PZT in the mount such
that its axes are approximately aligned with
 PZT_out_waveform.jpg 
  8883   Fri Jul 19 22:51:40 2013 gautamConfigurationendtable upgradeSecond mirror glued to PZT and mounted  
I
 Piezo-mirror_2.JPG 
  8884   Fri Jul 19 23:35:31 2013 gautamConfigurationendtable upgradePreliminary Calibration of PZT I recalibrated
the QPD today as I had shifted its position
a little. I then identified the linear range
 QPD-XCalib.pdfQPD-YCalib.pdfPiezo_Yaw_Calib-in_QPD_linear_range-Pitch_tilt.pdfPiezo_Yaw_Calib-in_QPD_linear_range-Yaw_tilt.pdf 
  8912   Tue Jul 23 20:41:40 2013 gautamConfigurationendtable upgradeFull range calibration and installation of PZT-mounted mirrors Given
that the green beam is to be used as the
 M1_Pitch_calib.pdfM1_Yaw_calib.pdfM2_Pitch_calib.pdfM2_Yaw_calib.pdfPI_S330.20L.pdf 
  8932   Mon Jul 29 13:39:25 2013 gautamConfigurationendtable upgradePZT Driver Board-further changes 
 
I have
 D980323-C-modified.pdfD980323-C-modified-pg2.pdf 
  8935   Mon Jul 29 21:57:45 2013 gautamConfigurationendtable upgradeHardware installed at 1X9 The following hardware   
  8942   Tue Jul 30 19:40:47 2013 gautamConfigurationendtable upgradeDAC-PZT Driver Board Output Signal Chain Tested 
 [Alex, Gautam]
  
  8943   Tue Jul 30 19:44:05 2013 gautamConfigurationendtable upgradeSecond mirror glued to PZT and mounted  
 I have
  
  8967   Mon Aug 5 18:48:44 2013 gautamConfigurationendtable upgradeFull range calibration of PZT mounted mirrors for Y-endtable I
had prepared two more PZT mounted mirrors
for the Y-end some time back. These are:
 2-inch-CVI-Yawcalib.pdf2-inch-CVI-Pitchcalib.pdf1-inch-Laseroptik-Yawcalib.pdf1-inch-Laseroptik-Pitchcalib.pdf 
  8971   Tue Aug 6 12:43:23 2013 Alex ColeConfigurationElectronicsAS Table and Rack 1Y1 AdditionsFor the photodetector frequency response
project, I finished the construction of our
baluns chassis and mounted it in rack 1Y1
 photo_1_(5).JPGphoto_2_(5).JPG 
  8979   Wed Aug 7 15:51:53 2013 Alex ColeConfigurationElectronicsRF Switch ChangeFor the photodetector frequency response
project, our new RF Switch Chassis (NI pxie-1071)
arrived today. I took the switches out of
 photo_(2).JPG 
  9006   Tue Aug 13 13:30:41 2013 Alex ColeConfigurationElectronicsCable Routing I routed cables (RG405 SMA-SMA) from
several demodulator boards in rack 1Y2 to
the RF Switch in rack 1Y1 using the overhead
 photo_(6).JPG 
  9062   Mon Aug 26 18:55:18 2013 JenneConfigurationElectronicsputting together a 110 MHz LSC demod board for ASI have modified one of the spare demod
boards that was sitting above the electronics
bench (the one which was unlabeled - the
 AS110_demod_board_modifications.pdf 
  9067   Mon Aug 26 20:13:17 2013 ranaConfigurationElectronicsputting together a 110 MHz LSC demod board for AS

    

       
            
  
  9069   Tue Aug 27 15:31:48 2013 JenneConfigurationElectronicsputting together a 110 MHz LSC demod board for AS

    

       
            
  
  9071   Tue Aug 27 17:32:52 2013 JenneConfigurationElectronicsputting together a 110 MHz LSC demod board for ASI measured the phase split between the
I and Q signals of my AS110 board. 
To do so, I plugged the board into an empty
  
  9072   Tue Aug 27 18:21:35 2013 JenneConfigurationElectronics110 MHz LO optionsAs I see it, we have a few options for
getting the 110 MHz LO to both the POP110
and AS110 demod boards.  
  
  9073   Tue Aug 27 18:58:52 2013 KojiConfigurationElectronics110 MHz LO options- Do we have an appropriate amplifier?
- True challenge could be to find
a feedthrough for the new port. (or to find
  
  9074   Tue Aug 27 19:34:36 2013 JamieConfigurationCDSfront end IPC configurationSo the IPC situation on the front end network
is not so great right now.  For various
no-longer-valid reasons, c1lsc had no RFM
 hosts.png 
  9075   Tue Aug 27 19:50:06 2013 JamieConfigurationComputer Scripts / Programscdsutils checked out into /opt/rtcdsI have checked out the new cdsutils
repository at:

/opt/rtcds/cdsutils/release

This
  
  9076   Tue Aug 27 20:43:34 2013 KojiConfigurationCDSfront end IPC configurationThe reason we had the PCIe/RFM system was
to test this mixed configuration in prior
to the actual implementation at the sites.
  
  9086   Wed Aug 28 19:47:28 2013 jamieConfigurationCDSfront end IPC configuration

    

       
            
  
  9087   Wed Aug 28 23:09:55 2013 jamieConfigurationCDScode to generate host IPC graph   hosts.png40m-ipcs-graph.py 
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