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ID Date Author Type Category Subjectdown Text Attachments
  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 
  61   Wed Jun 30 00:00:13 2010 Kathryn and WonComputingHartmann sensorrms of centroid position changesGiven
below is a brief overview of calculating
rms of spot position changes to test the
 rms_plot_shuffle.jpgrms_plot_shuffle.jpgrms_plot_noshuffle.jpgeLOG.zip 
  11   Mon Feb 8 10:45:50 2010 Steve O'ConnorElectronicsPre-amplifierreplace Pot with fixed Resistor 
  
  12   Mon Feb 8 17:44:38 2010 AidanElectronicsPre-amplifierreplace Pot with fixed Resistor

    

       
            
  
  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 
  22   Thu Apr 22 01:48:33 2010 Won KimComputingFrame Grabberfrom the manual install.pdf 
Regarding the installation of EDT
software, I overlooked a note from the install.pdf
  
  24   Thu Apr 22 08:22:18 2010 AidanComputingFrame Grabberfrom the manual install.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 
  33   Thu May 6 12:32:11 2010 AidanComputingHartmann sensordalsa_to_epics Python script crashed ...Here's the error:
 
  
  4   Tue Dec 29 16:05:09 2009 FrankComputingDAQbooting VME crates from fb1 http://nodus.ligo.caltech.edu:8080/AdhikariLab/514   
  63   Sun Jul 4 06:45:50 2010 Kathryn and WonComputingHartmann sensoranalyzing the wavefront aberrationHappy
Fourth of July!
 eLOG.zipwf_aberration_plot_hightemp_byintegration.jpgwf_aberration_plot_hightemp_fitted.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 
  200   Mon Oct 30 17:13:32 2017 Jon RichardsonLaserHartmann sensorWrite-Up of CO2 Projector MeasurementsFor archive purposes, attached is a write-up
of all the HWS measurements I've made
to date for the SRM CO2 projector mock-up.
 awc_srm_actuator_v1.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 
  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
  
  225   Fri Feb 8 10:48:33 2019 AidanLab InfrastructureGeneralWater damage repair work in the TCS LabCaltech Facilities has determined that
the walls in the SE corner of the TCS Lab
in West Bridge were water damaged during
  
  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 
  5   Tue Dec 29 17:50:57 2009 AidanComputingDAQVME crate has proper boot settingsWe fixed the start-up settings on the VME
crate to look for a TCS startup file on fb0.
The settings on the Baja 4700 are now:
 VME_tcs_boot_settings.jpg 
  3   Mon Dec 28 14:48:29 2009 AidanComputingDAQVME crate has a "new" CPU - needs to be configured I installed a recycled VME crate in the
electronics rack. It currently has a Baja
4700E CPU card in it - and this needs to
 VME_boot_02.jpgVME_boot_01.JPGVME_boot_03.jpg 
  59   Fri Jun 25 10:47:08 2010 AidanMiscaLIGO ModelingUploaded aLIGO axicon+ITM COMSOL model to the 40m SVNI added a COMSOL model of the aLIGO ITM
being heated by an axicon-formed annulus
to the 40m SVN. The model assumes a fixed
 aLIGO_axicon_spacing_post-magnification_optimization.jpg 
  60   Fri Jun 25 10:59:43 2010 AidanMiscaLIGO ModelingUploaded aLIGO axicon+ITM COMSOL model to the 40m SVNHere are the results in the annulus thickness
vs annulus diameter space ...

 Screen_shot_2010-06-25_at_11.01.38_AM.png 
  224   Tue Dec 4 16:57:08 2018 AidanComputingHartmann sensorUpdated GIT version of HWS codeI changed the HWS code to the new git.ligo
HWS version.


Object files are in ~/hws
scripts
  
  234   Wed Jul 24 16:25:13 2019 Edita BytyqiLab InfrastructureOpticsUpdated 2-lens setupThe previous 2-lens setup focused the beam
to a tight spot, however due to the divergence
angle of the laser beam, a significant amount
 20190724_161926.jpg 
  214   Thu Jun 21 17:12:38 2018 AidanLaserHartmann sensorTwo inch PBS from Edmund Optics - effect on ETM HWS transmissionI'm considering the 86-711 2"
532nm PBS from Edmund Optics for the ETM
HWS at the sites.
 PBS_Thorlabs_v_EdmundOptics.pdf 
  246   Tue Jul 27 08:39:33 2021 AidanMiscFloodTuesday (27-Jul) morning check - lab looks okayI checked the lab this morning. It was
dry and there wall was in the same state
as yesterday.
 Image_Pasted_at_2021-7-27_08-38-2.jpegImage_Pasted_at_2021-7-27_08-38.jpeg 
  128   Mon Mar 28 13:00:50 2011 AidanLaserHartmann sensorTo do: Check the polarization from the SLED    
  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 
  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 
  1   Fri Nov 6 20:09:47 2009 AidanLaserLaserTest Does this work?   
  2   Thu Dec 10 22:23:47 2009 Not AidanLaserLaserTestYes.


  
  185   Wed May 24 09:58:17 2017 AidanElectronicsElectronicsTemperature sensor batteries swapped in TCS LabI noticed that the TCS lab temperature
sensor batteries died. Apparently they died
two days ago. I swapped in some new batteries
  
  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
  
  156   Tue Nov 29 09:13:49 2011 ranaMiscLIGO 3GSwitching from CO2 to shorter wavelength solid state laser Around a year ago, Phil and I discussed
the possibility of using an OPO to possibly
generate our own laser beam at ~2 microns
  
  43   Wed May 26 06:47:02 2010 AidanLaserSLEDSwitched off SLED - 6:40AM    
  54   Tue Jun 22 00:21:47 2010 James KMiscHartmann sensorSurf Log -- Day 4, Hartmann Spot Flickering Investigation I started out
the day by taking some images from the CCD
 7x 
  75   Sun Jul 25 16:24:56 2010 AidanComputingSLEDSuperlum SLED test integrated with DAQ - new channel names I added some new channels to the
Athena DAQ that record the diagnostic channels
from the Superlum SLED.
  
  84   Fri Jul 30 13:38:39 2010 James KunertComputingHartmann sensorSummary of Thermal Defocus Data AnalysisBelow is a table summarizing the results
of recent thermal defocus experiments. The
values are the calculated change in measured
 ThermDefocMasterFunctions.pngThermDefoc--py4plot.png 
  159   Thu Jun 7 00:23:11 2012 Aditi MittalMiscLIGO 3GSummary June 5 and June 6, 2012 June 5
-Discussed the actual project outline 
-Installed Comsol on the system
  
  176   Tue Jun 26 17:55:44 2012 Aditi MittalMiscLIGO 3GSummary June 26, 2012- Discussed the further project with Dr.
Brooks.
-Tried to derive formula for the
  
  165   Mon Jun 11 20:53:31 2012 Aditi MittalMiscLIGO 3GSummary June 11, 2012 -Continued with the same cryogenic
model created and varied the length of  outer
shield and studied the temperature variation
  
  163   Fri Jun 8 23:51:13 2012 Aditi MittalMiscLIGO 3GSummary June 8, 2012-Created a COMSOL model for cryogenically
shielded test mass with compensation plate.
-Analyzed the behavior of the model
  
  161   Thu Jun 7 23:24:56 2012 Aditi MittalMiscLIGO 3GSummary June 7, 2012-Created a COMSOL model for variation of
temperature in two mass system.
-Used the above model for cryogenic
  
  167   Thu Jun 14 05:37:30 2012 Aditi MittalMiscLIGO 3GSummary June 13, 2012-Derived formula for manual calculation
of temperature due to total influx.
-Compared the results by COMSOL and
  
  179   Fri Jun 29 15:51:24 2012 Aditi MittalMiscLIGO 3GSummary June 28 and 29, 2012 -Discussed the project outline for
next 6 weeks.
-made a write up for the tasks. (attached)
 pipelength_power.xlsx6week_plan.doc 
  175   Thu Jun 21 18:35:44 2012 Aditi MittalMiscLIGO 3GSummary June 21, 2012 -Updated 3 week progress report with
new additions and deletions.
-Attended LIGO lecture which was
  
  173   Thu Jun 21 11:16:27 2012 Aditi MittalMiscLIGO 3GSummary June 19 and 20, 2012 -Attented LIGO orientation meeting
and safety session.
-Prepared 3 week report
 temp_of_test_mass.png 
  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
  
  26   Mon May 3 17:43:48 2010 AidanComputingFrame GrabberSuccessful image capture with EDT frame grabberI noticed that when i ran /opt/EDTpdv/camconfig
and selected camera 331, which appeared to
 20100503_dalsa1m60_configuration_notes.txt2010-05-03_dalsa1m60_image_test_pattern_and_spots.tif2010-05-03_dalsa1m60_image_test_pattern_right_side.tifdalsa_1m60.cfg 
  223   Fri Oct 26 09:49:47 2018 AidanMiscOpticsStarting 80C cure of epoxyI've started an 80C cure of two materials
bonded by EPOTEK 353ND. The objective is
to see (after curing) how much the apparent glass
 IMG_7054.jpg 
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