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ID Date Author Type Categorydown Subject Text Attachments
  152   Mon May 30 20:11:27 2011 AidanLaserHartmann sensorHartmann sensor lever arm calibration I ran through the procedure to calibrate
the lever arm of the Hartmann sensor. The
beam from a 632.8nm HeNe laser was expanded
  
  154   Fri Sep 2 14:41:48 2011 AidanComputingHartmann sensorQFLD-950-3S long term test finishedI ran a test of the HWS with the QFLD-950-3S
for 5 days. The test was terminated as we
need to disconnect all the cabling and tidy
  
  155   Fri Sep 2 21:41:01 2011 AidanElectronicsHartmann sensorRestarting long term test of QFLD-950-3S9:40PM PDT - I've just restarted the long
term measurement of the Hartmann sensor noise
with the QFLD-950-3S.
  
  184   Wed Apr 26 15:29:25 2017 AidanElectronicsHartmann sensorLong term test of fiber launcherI've started a long-term measurement
of the HWS fiber-launcher. I'm interested
in seeing how stable the output is. The HWS
  
  186   Mon Jun 5 16:41:59 2017 AidanLaserHartmann sensorHWS long term measurement results.The data from the long-term measurement
of the HWS is presented here. The beam envelope
moves by, at most, about 0.3 pixels, or around
 HWS_envelope_long_term.pdfHWS_optical_parameters_long_term.pdfHWS_envelope_long_term_mm.pdfIMG_9836.JPG 
  190   Wed Oct 11 20:19:06 2017 Jon RichardsonLab InfrastructureHartmann sensorInitial Characterization of the SRM Adaptive Wavefront ControlToday I made the first characterization
measurements of the mocked-up adaptive wavefront
control system planned for the signal recycling
 thermal_lens.png 
  193   Mon Oct 23 19:02:42 2017 Jon RichardsonLaserHartmann sensorMitigated Heating Beam LossesThere were known to be huge (65%) heating
beam power losses on the SRM AWC table, somewhere
between the CO2 laser and the test optic.
  
  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 
  208   Fri May 11 12:32:21 2018 AidanLaserHartmann sensorHWS green LED fiber launcher [Aidan, Marie]

We tested the output of the fiber
launcher D1800125-v3. We were using a 6mm
 LED_test_01_20180511.pdf 
  209   Fri May 11 16:18:47 2018 AidanLaserHartmann sensorHWS green LED fiber launcherAnd here's the output of the fiber
launcher when I fixed it at 313mm from the
camera, attached an iris to the front and
 LED_test_02_20180511.pdf 
  210   Wed May 16 16:47:29 2018 AidanLaserHartmann sensorHWS green LED fiber launcher - D1800125-v5_SN01Here is the output from D1800125-v5_SN01.




 HWS_LED_D1800125_V5_sn01.pdfHWS_LED_D1800125_V5_sn01.mHWS_D1800125-v5_sn01_characterize_20180516.tar 
  211   Fri May 18 16:32:37 2018 AidanLaserHartmann sensorHWS green LED fiber launcher - D1800125-v5_SN01Title was wrong - this is actually config
[12,2,4,125]

  
  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 
  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
  
  66   Tue Jul 20 15:45:51 2010 AidanComputingGeneralAdd fixed IP addresses to local machines in TCS labhttp://nodus.ligo.caltech.edu:8080/AdhikariLab/859   
  67   Tue Jul 20 18:13:06 2010 AidanComputingGeneralAdded TCS channels to frame builder http://nodus.ligo.caltech.edu:8080/AdhikariLab/860
 contents of tcs_daq: /target/TCS_westbridge.db
  
  68   Thu Jul 22 11:02:59 2010 AidanComputingGeneralRestarted hartmann machinehartmann had started responding
to requests to log-in with the a request
to change the password. Attempts to change
  
  91   Tue Aug 17 22:34:14 2010 ranaMiscGeneralETM temperature after a 1W stepThis attachment is a Shockwave Flash animation
of the iLIGO ETM getting a 1 W beam with
a 3.5 cm radius getting fully absorbed onto
 etmt.swf 
  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.
  
  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
  
  191   Fri Oct 13 15:52:41 2017 AidanLab InfrastructureGeneralBroadband mirror BB2-E03 reflectivity at 532nmI measured the reflectivity of a possible
HWS replacement mirror at 532nm. Thorlabs
BB2-EO3
 IMG_1223.JPGIMG_1213.JPG 
  204   Thu Jan 18 10:09:50 2018 Jon RichardsonLaserGeneralRIN Measurement of 400 mW CO2 Laser in ProgressThe 400 mW CO2 laser on the Hartmann table
is currently configured for a measurement
of its relative intensity noise. It is aligned
  
  205   Mon Jan 22 10:39:32 2018 Jon RichardsonLaserGeneralRIN Measurement of 400 mW CO2 Laser in ProgressAttached for reference is the RIN measurement
from the initial data.

 SRM_CO2_RIN_v1.pdf 
  215   Tue Jul 10 17:49:13 2018 Aria ChaderjianLaserGeneralJuly 10, 2018Went down to the lab and showed Rana the
setup. He's fine with me being down there
as long as I let someone know. He also recommended
 IMG_4518.jpgIMG_4517.jpg 
  216   Thu Jul 12 18:48:21 2018 Aria ChaderjianLaserGeneralJuly 12, 2018The beam reflecting off the test mirror
was clipping the lens between gold mirror
and test mirror, so I reconfigured some of
  
  217   Fri Jul 13 16:42:50 2018 Aria ChaderjianLaserGeneralJuly 13, 2018The table is set up. The HWS and SLED were
moved slightly, and a minimal angle between
the test mirror and HWS was achieved.
  
  218   Mon Jul 23 10:04:19 2018 Aria ChaderjianLaserGeneralJuly 20, 2018With Jon's help, I changed the setup
to include a mode-matching telescope built
from the f=60mm (1 inch diameter) lens and
 37767216_2077953269190954_5080703241788850176_n.jpg 
  219   Tue Jul 24 16:52:44 2018 Aria ChaderjianLaserGeneralJuly 23, 2018 and July 24, 2018Attached the grid array of the HWS.

Applied voltage (5V, 7V, 9.9V,
14V) to the heater pad and took measurements
  
  220   Fri Aug 3 15:46:12 2018 Aria ChaderjianLaserGeneralAugust 3, 2018To the best of my ability, calculated the
magnification of the plane of the test optic
relative to the HWS (2.3) and input this
  
  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
  
  226   Fri Apr 12 17:40:58 2019 aaronLab InfrastructureGeneralMeasurements for Bake StationI drew up one way we could set up the three
available bake ovens in the TCS lab on the
single oil pump. 
 BakeStation_Page_1.jpgBakeStation_Page_2.jpg 
  227   Mon Apr 15 08:12:58 2019 aaronLab InfrastructureGeneralMeasurements for Bake StationMy preference is to have tubes back towards
the wall where possible. We might be able
to drill a large diameter hole in the table
  
  230   Tue Jun 18 19:05:16 2019 JonLab InfrastructureGeneralLarge optical table cleared and set up for point absorbersAidan and I continued the lab clean-up
today. There's still more to do, but
we did fully clear the large optical table
 IMG_3421.jpg 
  232   Mon Jul 22 18:44:53 2019 Edita BytyqiThings to BuyGeneralNeed to Order GlovesSmall/Medium size gloves need to be ordered
in order to handle the optics carefully.
  
  235   Thu Jul 25 09:13:36 2019 JonThings to BuyGeneralNeed to Order GlovesNew gloves are ordered for the TCS and
QIL labs. They arrive tomorrow (Friday).

  
  242   Tue Sep 3 10:49:57 2019 AidanLab InfrastructureGeneralExhaust duct added for new bake area in TCS labFacilities came in on Friday and teed off
a new duct to provide exhaust for the proposed
new vacuum bake area in the TCS Lab. Photos
 IMG_1627.jpgIMG_1629.jpgIMG_1628.jpgIMG_1626.jpg 
  244   Tue Jun 15 08:47:27 2021 AidanLab InfrastructureGeneralCleaned up HWS table in preparation for lab moveI cleaned up the HWS table in preparation
for replacement with the 4x10 table. We still
need to move the cabinet and get the enclosure
 IMG_3056.jpg 
  21   Wed Apr 21 06:49:51 2010 AidanComputingFrame GrabberInstalling CentOS 5.3 and the EDT frame-grabber - Part 1Yesterday, I installed CentOS 5.3 on the
Gateway GT5482 machine that housed the EDT
frame-grabber.
  
  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


   
        
            
  
  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 
  37   Mon May 17 19:41:13 2010 AidanComputingFrame GrabberC code that calls MATLAB engine and centroiding algorithmsThis is an amended version of simple_take.c.
 
 simple_hartmann.ccentroid_image.mget_defocus.mbuild_simple_hartmann.sh 
  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
  
  196   Wed Oct 25 15:34:14 2017 Jon RichardsonComputingFrame GrabberMako CCD Camera Code is FixedI fixed a bug in how the raw Mako CCD camera
images are being read into memory. The bmp
files turn out to have a block memory layout
  
  245   Mon Jul 26 16:23:03 2021 AidanMiscFloodLab flooded from broken pipe leading to sump room 



Koji: QIL/TCS entrance flooding.
 IMG_3881.MOV 
  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 
  247   Thu Aug 12 16:13:44 2021 AidanLab InfrastructureFloodCarpentry shop removed wet plaster sections from the wall - it's drying for a few daysThe carpentry shop removed wet plaster
sections from the wall following the flood
(process was gentle scraping of wet plaster
 IMG_4139.jpg 
  248   Wed Aug 25 11:28:56 2021 AidanMiscFloodLab flooded from broken pipe leading to sump room11:29AM - Lab has flooded again this morning.
I'm calling PMA. Looks to be the same
issue as before.
  
  249   Thu Aug 26 09:00:39 2021 AidanMiscFloodLab flooded from broken pipe leading to sump roomSome photos of water and clean-up.

Summary: I came into the lab around
11:30AM and found water on the floor in the
 20210825_-_TCS_Lab_Flood_-_compressed.pdf 
  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
  
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