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ID Date Author Type Category Subject Text Attachments
  149   Wed May 18 18:52:12 2011 AidanComputingHartmann sensorTest of position modulation algorithm I measured the prism and displacement
of the Gaussian beam on the Hartmann sensor.
The beam pointing was modulated at 10mHz
 galvo_mirror_experiment.jpg2011-05-18_gaussian_beam_with_galvo_constant.pdf2011-05-18_gaussian_beam_with_galvo.pdf 
  148   Tue May 17 16:08:02 2011 AidanComputingHartmann sensorWrite speed of the frame grabber to file The attached file shows the output
of the command. The maximum average frame
rate is 57.2Hz when the nominal frame rate
 max_frame_rate_data.txt 
  147   Wed May 11 18:44:54 2011 AidanComputingHartmann sensorMatlab Compiler and Matlab Compiler RuntimeInstalling MCR
I located the MCRInstaller on our
distribution of MATLAB on the Ubuntu machine
  
  146   Wed May 11 18:38:47 2011 AidanComputingHartmann sensortest_HS binary From Won: (the zip file is also on
the SVN /users/won/compiled_code/test_HS.zip)
 
 test_HS.zip 
  145   Wed May 11 09:07:03 2011 AidanComputingHartmann sensorChanged ownership of /opt/EDTpdv I changed the ownership of /opt/EDTpdv
to controls with the command:

controls@princess_sparkle:/opt/EDTpdv$
  
  144   Tue May 10 00:55:08 2011 WonComputingHartmann sensorMatlab Compiler and Matlab Compiler Runtime 
I have spent some time with Matlab
Compiler and Matlab Compiler Runtime (MCR).
  
  143   Thu Apr 28 22:48:47 2011 AidanLab InfrastructureElectronicsBNC Cables from HWS table to rack I labelled and strung 8 of the 16
custom 40' BNC cables from L-Com between
the HWS table and the BNC feed-through on
  
  142   Mon Apr 25 16:28:27 2011 Aidan, JoeComputingNetwork architectureFixed problem network drive fb1:/cvs on Ubuntu & CentOS machinesWith Joe's help we fixed the failure of
princess_sparkle to mount the
fb1:/cvs directory when relying
  
  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
  
  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 
  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:
  
  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
  
  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 
  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 
  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
  
  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 
  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 
  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 
  131   Fri Apr 1 02:41:55 2011 WonComputingHartmann sensorexposure time and reproducibility of centroids Here is a brief and preliminary summary
of rms of centroid displacements calculated
at a number of different exposure time values.
 9x 
  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
  
  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.
  
  128   Mon Mar 28 13:00:50 2011 AidanLaserHartmann sensorTo do: Check the polarization from the SLED    
  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 
  126   Fri Mar 11 13:11:33 2011 AidanLab InfrastructureDelivery NoteMore Bosch connectors have arrived See attached delivery note ...  Packing_List_05.pdf 
  125   Wed Mar 9 01:00:12 2011 Peter Veitch, Won KimComputingHartmann sensorControl of frame rate usign external triggerWe managed to successfully apply frame
rate control via external trigger from a
pulse generator.
  
  124   Tue Mar 8 18:57:50 2011 AidanThings to BuyDelivery NoteFiber optics cable and Bosch Fastener   deliveries_2011-03-08.pdf 
  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
  
  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
  
  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.
  
  120   Thu Mar 3 07:30:18 2011 WonComputingHartmann sensorEffect of high pixel count on rmsWe have been investigating how pixel count
is related to the centroid displacements
by taking several sets of image frames with
 11x 
  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
  
  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 
  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 
  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).
  
  115   Mon Feb 28 17:56:32 2011 AidanComputingHartmann sensorGot HWS code running and interface to EPICSHere are the notes from today's efforts:
 
 
  
  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.
  
  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 
  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 
  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 
  110   Thu Feb 24 10:23:31 2011 Christopher GuidoLaserLaserLTG initial noiseCheryl Vorvick, Chris Guido, Phil Willems
Attached is a PDF with some initial
noise testing. There are 5 spectrum plots
 LTG_InitialTest.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
  
  108   Wed Feb 23 18:04:38 2011 AidanThings to BuyDelivery NoteFirst parts of Bosch framing have arrived from Valin

    

       
            
 Packing_List_02.pdf 
  107   Fri Feb 18 14:53:50 2011 PhilLaserLaserLTG laser delivering specified powerI got the LTG CO2 laser to deliver 50.02W
as measured by the Thorlabs 200W power head
today. This required running the Glassman
  
  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 
  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 
  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 
  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
  
  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.
  
  101   Tue Nov 23 06:15:08 2010 WonComputingHartmann sensorImage folder structureAttached below is a diagram that describes
the organisation of image folders that I
am using at the moment with Run_initialize
 image_folders.png 
  100   Thu Nov 4 13:31:19 2010 Won KimComputingHartmann sensorFrame Grabber SDK installation Appended
below is the step by step procedure that
  
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