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ID Date Author Type Category Subject Text Attachments
  199   Thu Oct 26 10:45:44 2017 AidanComputingDAQBeam size EPICS channels added to TCS-WS softIocSee attached photo for how data is written
to frames ...

 FullSizeRender_10.jpg 
  198   Thu Oct 26 10:31:31 2017 AidanComputingDAQBeam size EPICS channels added to TCS-WS softIocThese are also being written to frames
on FB4.

  
  197   Thu Oct 26 10:21:28 2017 AidanComputing Beam size EPICS channels added to TCS-WS softIocI've added a softIoc to TCS-WS to capture
the beam size from the MAKO camera. The IOC
is run using ...
  
  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
  
  195   Tue Oct 24 15:05:57 2017 Jon RichardsonComputingElectronicsInstalled a Realtime Beam Profiler for the Mako CCD CameraAidan found a C demo code for acquiring
a single image from the Mako CCD camera and
saving it to disk (SynchronousGrab -- aliased
  
  194   Tue Oct 24 10:19:53 2017 Jon RichardsonComputingElectronicsInstalled Maku Ethernet CCD CameraThere is an SDK for the camera with compiled
examples. For a really quick image grab from
the command line, use the following:
  
  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.
  
  192   Fri Oct 13 18:35:29 2017 Jon RichardsonComputingElectronicsInstalled Maku Ethernet CCD CameraI installed the Maku Gigabit CCD camera
driver software on the hws-ws machine. The
camera viewer can be opened from the terminal
 IMG_2287.JPG 
  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 
  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 
  189   Wed Oct 11 19:14:16 2017 Jon RichardsonComputingElectronicsReplaced TCS MonitorI replaced the dead 24" monitor on
the work bench, which is connected to the
video multiplexer. Mike Pedraza was
  
  188   Thu Sep 21 18:56:53 2017 awadeMiscBorrowedBorrowed thorlabs power meterBorrowed thorlabs power meter on 21 Sep
2017.  It is on the south table of the
ATF lab.
  
  187   Thu Jul 13 10:11:57 2017 awadeElectronicsBorrowedBorrowed newport TrueRMS SupermeterI lent your fancy Newport TrueRMS Supermeter
with the thermocouple plugs on the top to
the SURF student Jordon.  He has it
 2017-07-13_10.06.28.jpg2017-07-13_10.06.29.jpg 
  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 
  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
  
  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
  
  183   Fri Dec 16 10:41:33 2016 AidanComputingNetwork architectureCorrect network settings for Ubuntu 14 in /etc/network/interfacesSpelt out in a searchable fashion:

auto <portname>

iface <portname> inet
  
  182   Thu Dec 15 14:02:01 2016 AidanComputingNetwork architectureCorrect network settings for Ubuntu 14 in /etc/network/interfacesThese settings work to get a computer onto
the TCS/ATF network.
 IMG_8148.JPG 
  181   Mon May 13 14:09:02 2013 ZachComputingDAQC2ATF model rebuilt ATF:1812   
  180   Mon Jul 9 16:54:17 2012 Alex MauneyMiscaLIGO Modeling7/9/12 SummaryMade a COMSOL model that can include CO2
laser heating, self heating, and ring heating
Figured out how to run SIS out of
  
  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 
  178   Thu Jun 28 16:27:37 2012 Alex MauneyMiscaLIGO Modeling6/28/12 Daily Summary- Finished the MatLab code that both combines
two fields and simulates the adjustment of
the beamsplitter to minimize the power out
  
  177   Wed Jun 27 16:43:56 2012 Alex MauneyMiscaLIGO Modeling6/27/12 Daily SummaryPlan for building the model
- Find the fields that would be incident
on the beam splitter from each arm (This
  
  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
  
  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
  
  174   Thu Jun 21 16:54:45 2012 Alex MauneyMiscaLIGO Modeling6/21/12 Daily Summary- Paper edits and more data generation
for the paper (lower resolution grid data)
- Attended a talk on LIGO
  
  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 
  172   Wed Jun 20 16:44:58 2012 Alex MauneyMiscaLIGO Modeling6/20/12 Daily Summary- Attended a lot of meetings (Safety, LIGO
Orientation)
- Finished draft of week 3 report
 TS_model_deformation_line_graph_2W_10%.pngTS_model_deformation_line_graph_2W_10%_sym.pngTS_model_deformation_line_graph_2W_10%_antisym.pngTS_model_deformation_contour_graph_2W_10%.pngHTSM_model_deformation_contour_graph_2W_10%.png 
  171   Tue Jun 19 16:24:52 2012 Alex MauneyMiscaLIGO Modeling6/19/12 Daily Summary- Did more modeling for different levels
of heating and different mesh densities for
the SIS input.
  
  170   Mon Jun 18 23:42:39 2012 Aditi MittalMiscLIGO 3GCryogenic Shielding -Read about blue team design for
maximum power budget.
-Read third generation talks to get
  
  169   Mon Jun 18 16:30:36 2012 Alex MauneyMiscaLIGO Modeling6/18/12 Daily Summary- Verified that the SIS output does match
satisfy the equations for Gaussian beam propagation
- Investigated how changing the amount
  
  168   Thu Jun 14 16:51:03 2012 Alex MauneyMiscaLIGO Modeling6/14/12 Daily Summary- Plugged the output of the model with
uniform heating into SIS using both modification
of the radius of curvature, and direct importation
 SIS_Outputs.txtAssymetric_Heating_Line_Graph.png 
  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
  
  166   Wed Jun 13 16:36:14 2012 Alex MauneyMiscaLIGO Modeling6/12 and 6/13 Daily Summary- Realized that the strange deformations
that we were seeing only occur on the face
nearest the ring heater, and not on the face
  
  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
  
  164   Mon Jun 11 17:11:01 2012 Alex MauneyMiscaLIGO Modeling6/11/12 Daily Summary- Fixed the (ts) model, got strange results
that indicate that the antisymmetric heating
mode is much more prominent than previously
  
  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
  
  162   Fri Jun 8 16:36:47 2012 Alex MauneyMiscaLIGO Modeling6/8/12 Daily Summary- Tried to fix COMSOL error using the (ts)
module, ended up emailing support as the
issue is new in 4.3
  
  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
  
  160   Thu Jun 7 16:50:16 2012 Alex MauneyMiscaLIGO Modeling6/7/12 Daily Summary- Created a COMSOL model with thermal deformations
- Added non-symmetrical heating to
cause astigmatism
  
  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
  
  158   Wed Jun 6 16:54:09 2012 Alex MauneyMiscaLIGO Modeling6/6/12 Daily Summary- Got access to and started working with
SIS on Rigel1
- Fixed SVN issues
  
  157   Tue Jun 5 17:25:43 2012 Alex MauneyMiscaLIGO Modeling6/5/12 Daily Summary- Had a meeting to talk about the basics
of LIGO (esp. TCS) and discuss the project
- Created COMSOL model for the test
  
  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
  
  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.
  
  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
  
  153   Thu Sep 1 15:51:38 2011 AidanLaserOrderingAccess Lasy50 50W laser arrived. The 50W Access Laser is now in the
lab. We need to wire up the interlock to
the laser, plumb the chiller lines to the
  
  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
  
  151   Mon May 30 10:53:00 2011 AidanLaserHartmann sensorDefocus vs time I've had the output from a fiber
projected about 400mm onto the Hartmann sensor
for around 5 days now. (The divergence angle
 HWS_defocus_vs_temperature.pdf 
  150   Thu May 26 11:56:46 2011 AidanElectronicsLaserGreen Laser Pointer beam profileThis measurement was made with the Thorlabs
DCC1545M-GL camera with an RG850 3mm long-pass
filter over the CCD.
 green_laser_pointer.bmpgreen_laser_pointer.pdfScreen_shot_2011-05-26_at_12.28.20_PM.png 
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