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ID Date Authordown Type Category Subject Text Attachments
  82   Fri Jul 30 10:04:54 2010 AidanComputingHartmann sensorRestarted the HWS EPICS channels Restarted the HWS EPICS channels
on hartmann with the following
command:
  
  83   Fri Jul 30 11:01:31 2010 AidanComputingHartmann sensorEPICS softIoc alias I added an alias HWSIoc to
controls which can be used to
start the HWS EPICS softIoc.
  
  85   Fri Jul 30 19:22:24 2010 AidanComputingEPICSWaveform Channel Access for storing centroids A waveform channel was added to the
HWS softIoc on hartmann. This allows arrays
of data to be stored in a single channel.
  
  86   Fri Jul 30 21:19:05 2010 AidanComputingEPICSWaveform Channel Access for storing centroidsAfter some discussion with Frank we figured
out how to edit the record type in HWS.db
so that the waveform/array channel actually
  
  87   Sat Jul 31 11:54:20 2010 AidanComputingSLEDSLED Test Day 5 - Re-tuned current set-point control voltageMain Points

    Re-set SLED current set-point
control voltage to 0.111V
    SLED
  
  89   Mon Aug 9 10:58:37 2010 AidanLaserSLEDSLED 15-day trend Here's a plot of the 15-day output
of the SLED.
Currently there is an 980nm FC/APC
 SLED_superlum_long_term_test_0005A_annotated_15-day_result.pdf 
  90   Tue Aug 17 16:31:55 2010 AidanThings to BuyLaserBought a laser diode from Thorlabs for HWShttp://www.thorlabs.com/thorProduct.cfm?partNumber=CPS180
I bought this laser diode from Thorlabs
today to try the current modulation trick
  
  92   Wed Aug 18 18:38:11 2010 AidanComputingHartmann sensorHartmann sensor code I downloaded and tested revision
47 of the Adelaide Hartmann sensor code from
the SVN (https://trac.ligo.caltech.edu/Hartmann_Sensor/browser/users/won/HS_OO?rev=47).
 test_HS_Classes.mHS_Image.mHS_Centroids.mHWS_code_output.pngHWS_input_image.png 
  93   Mon Aug 23 08:43:16 2010 AidanThings to BuyLaserBought a laser diode from Thorlabs for HWSIt arrived on Friday.


  
  94   Mon Sep 13 18:24:52 2010 AidanLaserHartmann sensorEnclosure for the HWSI've assembled the box Mindy ordered from
Newport that will house the Hartmann sensor.
It's mainly to reduce ambient light, air
 00001.jpg00002.jpg00003.jpg00005.jpg 
  95   Tue Sep 28 10:41:32 2010 AidanLaserHartmann sensorAligning HWS cross-sample experiment - polarization issuesI'm in the process of aligning the cross-sampling
experiment for the HWS. I've put the 1"
PBS cube into the beam from the fiber-coupled
  
  96   Tue Sep 28 17:53:40 2010 AidanLaserHartmann sensorCrude alignment of cross-sampling measurementI've set up a crude alignment of the cross-sampling
system (optical layout to come). This was
just a sanity check to make sure that the
 2010_09_28-HWS_cross_sample_expt_crude_alignment_01.pdf 
  97   Wed Sep 29 16:49:36 2010 AidanLaserHartmann sensorCross-sampling experiment power budgetI've been setting up the cross-sampling
test of the Hartmann sensor, Right now I'm
waiting on a 50/50 BS so I'm improvising
 00001.jpg 
  98   Mon Oct 4 19:44:03 2010 AidanLaserHartmann sensorCross-sampling experiment - two beams on HWSI've set up the HWS with the probe beam
sampling two optics in a Michelson configuration
(source = SLED, beamsplitter = PBS cube).
 test001_two_beams_on_HWS.pdf 
  99   Tue Oct 5 12:51:16 2010 AidanLaserHartmann sensorVariable power in two beams of cross-sampling experimentThe SLED in the cross-sampling experiment
produces unpolarized light at 980nm. So I
added a PBS after the output and then a HWP
 test002_two_beams_on_HWS_analyze.pdfHartmann_Enclosure_Diagram__x-sampling.png 
  102   Tue Nov 30 11:01:19 2010 AidanComputingGeneralNew workstation added in TCS Lab. New Static IPI added a workstation at 10.0.1.26 in the
TCS lab.
  
  103   Tue Nov 30 11:03:19 2010 AidanComputingFrame GrabberEDT frame grabber works under UbuntuThe new machine in the TCS lab is running
Ubuntu. I installed the frame-grabber into
it and, after loading the configuration file
  
  104   Tue Jan 25 16:38:16 2011 AidanElectronicsPre-amplifierL1 TCSY ISS Board transfer function I measured the AC and DC channel
transfer functions of the eLIGO L1 TCSY ISS
board for PD1 and PD2. The gain is quite
 L1TCS_ISS_boards_transfer_functions.pdfSRS003.78DSRS004.78DSRS005.78DSRS006.78D 
  105   Tue Feb 8 13:02:26 2011 AidanElectronicsDelivery NoteThorlabs S322C 200W power head arrived The 200W Thermopile power head from
Thorlabs arrive today. The scanned delivery
note and calibration info are attached.
 Co2_200W_power_meter_delviery_note.pdfCo2_200W_power_meter_calibration_info.pdf 
  106   Fri Feb 18 13:26:23 2011 AidanThings to BuyDelivery NoteFirst parts of Bosch framing have arrived from ValinThe first pieces of the Bosch framing have
arrived from Valin Corporation. These are
just small pieces such as the fasteners and
 Packing_List_01.pdf 
  108   Wed Feb 23 18:04:38 2011 AidanThings to BuyDelivery NoteFirst parts of Bosch framing have arrived from Valin

    

       
            
 Packing_List_02.pdf 
  109   Wed Feb 23 20:18:30 2011 AidanElectronicsHartmann sensorSuccessfully re-started the Hartmann sensor I reattached the Hartmann Sensor
to the LENOVO machine that is running Ubuntu
and turned it on (it's been disconnected
  
  111   Thu Feb 24 13:35:41 2011 AidanThings to BuyDelivery NoteBosch framing has arrived The custom pieces of the Bosch framing
have arrived. Transportation is currently
moving them downstairs to the lab. The packing
 Packing_List_03.pdf 
  112   Thu Feb 24 14:20:55 2011 AidanMiscRing HeateraLIGO H2 Ring Heater Pics Here are some pictures of the ring
heater segments destined for the H2 Y-arm
this year.
 aLIGO_Ring_Heaters.zip 
  113   Thu Feb 24 14:23:58 2011 AidanLab InfrastructureHartmann sensorHartmann Sensor box cut down to size I reduced the height of the Hartmann
sensor box. This is what it looks like now:
 
 P1000109.jpgP1000110.jpgP1000111.jpgP1000113.jpg 
  114   Mon Feb 28 17:33:07 2011 AidanComputingHartmann sensorHartmann Seidel abberation channels in frame builderUsing the same methods as before, see below,
I've added some Hartmann sensor EPICS channels
to the frames.
  
  115   Mon Feb 28 17:56:32 2011 AidanComputingHartmann sensorGot HWS code running and interface to EPICSHere are the notes from today's efforts:
 
 
  
  116   Tue Mar 1 10:47:18 2011 AidanMiscHartmann sensorElectron to Counts conversion efficiencyUsing some of the old data from James (attached
below), I calculated the CCD conversion efficiency
(CE) from electrons to bits (Counts).
  
  117   Tue Mar 1 11:19:34 2011 AidanThings to BuyDelivery NoteMFF001 flipper mirror has arrived The Thorlabs MFF001 flipper mirror
recommended by Bram has arrived. The delivery
note is attached.
 Flipper_mirror_delivery_notice.pdf 
  118   Tue Mar 1 11:21:37 2011 AidanThings to BuyDelivery NoteMore Bosch framing parts - angle connectors Another box of Bosch framing parts
arrived today. The delivery note is attached.
 Packing_List_04.pdf 
  119   Tue Mar 1 17:05:45 2011 AidanElectronicsHartmann sensorDalsa 1M60 current drawSteve and I measured the current drawn
by the Dalsa 1M60 by connecting it to the
BK Precision 1735 lab power supply that display
  
  121   Tue Mar 8 11:30:26 2011 AidanComputingHartmann sensorHartmann sensor code changes and NTP serverI've made the following changes to the
Hartmann sensor code and to the machine running
the HWS.
  
  122   Tue Mar 8 18:28:14 2011 AidanComputingGeneralTO DO notes
    Write a Wiki page that describes
how to add channels to the Athena Box

   Write a Wiki page that describes how
  
  123   Tue Mar 8 18:48:00 2011 AidanComputingHartmann sensorHWS code is running and recording centroidsThe Hartmann sensor is running continuously
and is now recording data to file. The formatting
has changed slightly with the data now stored
  
  124   Tue Mar 8 18:57:50 2011 AidanThings to BuyDelivery NoteFiber optics cable and Bosch Fastener   deliveries_2011-03-08.pdf 
  126   Fri Mar 11 13:11:33 2011 AidanLab InfrastructureDelivery NoteMore Bosch connectors have arrived See attached delivery note ...  Packing_List_05.pdf 
  127   Wed Mar 16 15:05:47 2011 AidanLab InfrastructureDelivery NoteMore Bosch equipment has arrived30mm T-junctions, grounding straps and
T-slot covers have arrived

 Packing_List_06.pdf 
  128   Mon Mar 28 13:00:50 2011 AidanLaserHartmann sensorTo do: Check the polarization from the SLED    
  129   Wed Mar 30 12:55:54 2011 AidanLaserHartmann sensorPrism modulation experimentI've set up a quick experiment to modulate
the angle of the Hartmann sensor probe beam
at 10mHz and to monitor the measured prism.
  
  130   Thu Mar 31 11:27:02 2011 AidanLaserHartmann sensorPrism modulation experimentI changed the drive amplitude on the function
generator to 0.05Vpp and have measured the
angle of deflection by bouncing a laser off
  
  132   Fri Apr 1 09:51:45 2011 AidanComputingHartmann sensorPrism measurement I analyzed the results from the prism
experiment. The time series and spectra of
the prism are attached.
 Hartmann_Sensor_prism_measurement_2011-03-31.pdfHartmann_Sensor_Prism_measurement_times_series_2011-03-31.pdf 
  133   Mon Apr 4 13:13:23 2011 AidanThings to BuyDelivery NoteNewfocus 5102 mirrors and Firewire extension cable have arrived See attached delivery note ...  receipt_mirrors.pdf 
  134   Tue Apr 12 22:30:59 2011 AidanComputingEPICSInstalled the thermistor on the Hartmann plate/created MEDM ADC Input screenI restarted the Athena box and created
an MEDM screen that shows the 8 differential
input voltages next to their corresponding
 Screenshot-TCS_athena01_input_screen.adl.png 
  135   Tue Apr 12 22:46:27 2011 AidanComputingEPICSAdded temperature sensor channels to the frame builder and restarted fb1Added the following to the frame builder
in /cvs/cds/caltech/chans/daq/C4HWS.ini
and restarted daqd as per instructions
  
  136   Sun Apr 17 14:59:36 2011 AidanThings to BuyDelivery NoteL-Com patch panel, Newport lenses, Thorlabs fibers delivery notes   newport_lenses_2011-03.pdfL-Com_patch_panel_-_2011-03.pdfthorlabs_fiber_optic_cables_2011-03.pdf 
  137   Sun Apr 17 21:55:51 2011 AidanLaserHartmann sensorHartmann sensor prism/displacement testI've set up an experiment to test the HWS
intensity distribution displacement measurement
code. Basically the beam from a SLED is just
 HWS_prims.jpg 
  138   Mon Apr 18 15:03:49 2011 AidanComputingDAQAthena DAC channels hooked up to BNC patch panel I added the four Athena DAC channels
to the second BNC patch panel in the rack.
At the moment there are only two EPICS channels
  
  139   Mon Apr 18 15:06:53 2011 AidanThings to BuyHartmann sensorOrdered 2" optics from Newport Given that the HWS requires several
2" optics to handle the big beam size,
I've ordered the following items from Newport:
  
  140   Fri Apr 22 19:51:37 2011 AidanComputingEPICSpyepics installed on princess_sparkle I installed the pyepics
package on princess_sparkle since this is
much easier under Ubuntu than under CentOS.
 start_test_channels.py 
  141   Sun Apr 24 18:31:18 2011 AidanComputingNetwork architectureAdded hosts and network drives on TCS machinesUnder
edit ...
I added the names of the network
  
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