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New entries since:Wed Dec 31 16:00:00 1969
ID Date Author Typedown Category Subject Text Attachments
  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 
  9100   Tue Sep 3 21:10:36 2013 JenneConfigurationElectronicsputting together a 110 MHz LSC demod board for AS

    

       
            
  
  9132   Mon Sep 16 15:29:50 2013 JamieConfigurationComputer Scripts / Programscdsutils checked out into /opt/rtcdsWe now have a proper install of cdsutils:

 controls@rossa:~ 0$ cdsutils
 usage:
cdsutils <cmd> <args>

 Advanced
  
  9133   Mon Sep 16 19:41:01 2013 ranaConfigurationComputer Scripts / Programscdsutils checked out into /opt/rtcds controls@rosalba:~
0$ cdsutils
  
  9135   Tue Sep 17 17:55:42 2013 Jamie.ConfigurationComputer Scripts / Programspyepics configured

    

       
            
  
  9150   Sun Sep 22 21:03:15 2013 ranaConfigurationSUSTuned bounce and roll mode of ETMY suspension Today I noticed that there was a
lot of noise at the Bounce and Roll eigenfrequencies
for ETMY. I found that the bandstop filter
 etmy-error.pngnotches.pdf 
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