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ID Datedown Author Type Category Subject Text Attachments
  8890   Mon Jul 22 16:56:14 2013 JenneUpdateGeneralVent preparation - In progressPre-vent checklist


   Center all oplevs/IPPOS/IPANG

   Align the arm cavities for
  
  8889   Mon Jul 22 16:30:31 2013 KojiUpdateGeneralVent preparation[Annalisa, Manasa, Jenne, Koji]
We are working on the vent preparation.
First of all, 
  
  8888   Mon Jul 22 06:58:17 2013 LisaSummaryloreAngel of the Y End Table?

    

       
            
 image.jpg 
  8887   Mon Jul 22 03:10:41 2013 ranaSummaryloreAngel of the Y End Table? Trying to take an image or movie
of the ETMY Transmon cam, we got instead
this attached image.
 asdasd.jpg 
  8886   Mon Jul 22 03:09:51 2013 AnnalisaUpdateGreen LockingY Arm cavity scanYesterday and today I was in the lab doing
many cavity scan.
First I did many measurement with
 Screenshot-scan3_0722.pdf_-_Adobe_Reader.png 
  8885   Fri Jul 19 23:35:52 2013 KojiSummaryLSCTRY DC lockingThe
Y arm was locked with the TRY DC signal.
The
 TRY_locking.png 
  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 
  8883   Fri Jul 19 22:51:40 2013 gautamConfigurationendtable upgradeSecond mirror glued to PZT and mounted  
I
 Piezo-mirror_2.JPG 
  8882   Fri Jul 19 22:35:06 2013 KojiSummaryLSCVarious Arm signal (Yarm)The StripTool plot attached below shows
various arm signals measured with the Y arm
cavity swept using ALS.
 various_arm_signal.png 
  8881   Fri Jul 19 14:04:24 2013 KojiUpdateCDSCDS FE not happydaqd was restarted.

- tried telnet fb 8088
  
  8880   Fri Jul 19 12:23:34 2013 manasaUpdateCDSCDS FE not happyI found CDS rt processes in red. I did 'mxstreamrestart'  Screenshot-Untitled_Window.png 
  8879   Fri Jul 19 12:02:18 2013 manasaUpdateLSCPRMI+Y arm ALS success!Data retrieved using getdata (30 minutes
trend) saved at
  
  8878   Fri Jul 19 12:00:12 2013 manasaUpdateGreen LockingALS Y performance with the new whitening filter

    

       
            
  
  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 
  8876   Thu Jul 18 21:45:36 2013 CharlesUpdateISSISS - Full Schematic Here I have included the full schematic
(so far) of the proposed ISS. There are two
sheets: the first schematic details the filter
 40mServo_v1.pdf 
  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 
  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 
  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 
  8872   Thu Jul 18 16:30:08 2013 KojiUpdateLSCPRMI+Y arm ALS Sensing MatricesHmm. I agree that something was funny.

Let's take the matrix without the
  
  8871   Thu Jul 18 15:55:31 2013 JenneUpdateLSCPRMI+Y arm ALS Sensing MatricesLast
night, I took sensing matrix data at various
different offsets for the Yarm. 
 SensMatMeas_17July2013_PRMI_YarmOffResonance.pngSensMatMeas_17July2013_PRMI_YarmMidResonance.pngSensMatMeas_17July2013_PRMI_YarmOnResonance.png 
  8870   Thu Jul 18 15:34:15 2013 Alex ColeUpdateElectronicsPD Frequency Response Update [Eric, Alex]
Our RF Switch arrived today, and
we mounted it in rack 1Y1 (1st attachment). 
 photo_3_(1).JPGphoto_1_(4).JPGphoto_2_(4).JPG 
  8869   Thu Jul 18 10:50:54 2013 LisaUpdateLSCPRMI+Y arm ALS success!

    

       
            
  
  8868   Thu Jul 18 10:47:21 2013 JamieUpdateLSCPRMI+Y arm ALS success!AWESOME!  You guys rock.   
  8867   Thu Jul 18 02:21:41 2013 KojiUpdateLSCPRMI+Y arm ALS success![Koji, Jenne, Manasa, Annalisa, Rana,
Nic]
 Screenshot-Untitled_Window1.pngPRMI_Yarm.pdf 
  8866   Thu Jul 18 01:10:00 2013 kiwamuUpdateGreen LockingALS Y performance with the new whitening filter 
  
  8865   Wed Jul 17 22:51:50 2013 KojiUpdateGreen LockingALS Y performance with the new whitening filter[Manasa Koji]
Summary: 
The new whitening filters improved
 ALS_Y_130717.pdfALS_Y2_StripTool.png 
  8864   Wed Jul 17 22:49:37 2013 KojiUpdateGreen LockingALS Y whitening filter change[Koji Annalisa]
We did the same mod of the beatbox
for the Y arm too. See 
  
  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 
  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 
  8861   Tue Jul 16 19:16:12 2013 ranaUpdateDAQNDS2 StatusI have
modified the settings on the router that
  
  8860   Tue Jul 16 18:20:25 2013 JenneUpdateCDSProto-ASC implemented in ASS modelThe proto-ASC now includes triggering. 
I have updated the hacky temp ASC screen
to show the DoF triggering.  I have
  
  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 
  8858   Tue Jul 16 15:22:27 2013 manasaUpdateCDSFront ends back upc1sus, c1ioo, c1iscex and c1iscey were
down. Why? I was trying to lock the arm and
I found that around this time, several computers
  
  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 
  8856   Tue Jul 16 13:48:26 2013 SteveUpdatePEMcranes cleanedKeven and Steve,
The 3 cranes tested and  wiped
off as preparation for upcoming vent.
  
  8855   Tue Jul 16 10:16:23 2013 KojiUpdate Beatbox XARM whitening modifiedThe
X arm whitening filters of the beatbox were
modified.
 Beatbox_mod.pdfALS_whitening.pdfBeatbox_input_dependence.pdf 
  8854   Tue Jul 16 01:17:21 2013 JenneUpdateASCPOP QPD calibration attempt[Rana, Jenne]
I took POP QPD calibration data with
a new method, on Rana's suggestion. 
  
  8853   Mon Jul 15 17:59:31 2013 gautamConfigurationendtable upgradeDAC at 1Y4- Power Spectrum -6.4kHz bandwidth

    

       
            
 DAC-6.4_kHz_BW_PSD.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
  
  8851   Mon Jul 15 17:16:59 2013 JenneUpdateASCPOP QPD calibration attemptI tried to retake POP QPD calibration data
again today.  The MC was mostly fine,
but whenever the PRMI unlocked, both ITM
 ChangeSideMicrometer_July2013_calib2.pngChangeSideMicrometer_July2013_calib1.pngChangeVertMicrometer_July2013_calib1.png 
  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 
  8849   Mon Jul 15 16:44:46 2013 AlexUpdateOMCOMC North Safety [Eric Alex]
We are planning on testing our laser
module soon, so we have added aluminum foil
 photo_2_(1).JPG 
  8848   Mon Jul 15 15:54:20 2013 gautamConfigurationendtable upgradeDAC at 1Y4- Power Spectrum -with the right units

    

       
            
 DACOffPSD.pdfDAC500PSD.pdfDAC2000PSD.pdf 
  8847   Mon Jul 15 14:12:15 2013 SteveUpdateVACRGA scan at day 144 Pumpdown 75, vacuum normal condition
at day 144
 
 pd75mRGA144d.pngpd75m144d.png 
  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).
  
  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 
  8844   Sun Jul 14 18:19:00 2013 AnnalisaUpdateGreen LockingArm cavity scanYesterday evening Nic and me were in the
lab. The Mode Cleaner was unlocked, but after
many attempt we could fix it and we did many
  
  8843   Sun Jul 14 17:47:28 2013 KojiUpdateIOOMC WFS maintenanceAnnalisa notified me that the MC autolocker
could not keep the MC locked.
I found the initial alignment was
  
  8842   Sat Jul 13 03:27:20 2013 AnnalisaUpdateGreen LockingY arm caity scanI started doing a scan of the Y arm cavity
with IR with ALS enabled.
ALS
 PowerSpectrum0712ScanCavityAligned.pdfScanCavityMisPitch.pdfScanCavityMisYaw.pdf 
  8841   Fri Jul 12 23:13:32 2013 manasaUpdateGreen LockingALS sensor noise[Annalisa, Koji, Manasa]

In order to improve the ALS stability
 X_ALS_0712.pdfY_ALS_0712.pdf 
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