40m QIL Cryo_Lab CTN SUS_Lab TCS_Lab OMC_Lab CRIME_Lab FEA ENG_Labs OptContFac Mariner WBEEShop
  TCS elog, Page 1 of 5  Not logged in ELOG logo
ID Date Author Typedown Category Subject Text Attachments
  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
  
  93   Mon Aug 23 08:43:16 2010 AidanThings to BuyLaserBought a laser diode from Thorlabs for HWSIt arrived on Friday.


  
  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 
  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 
  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 
  124   Tue Mar 8 18:57:50 2011 AidanThings to BuyDelivery NoteFiber optics cable and Bosch Fastener   deliveries_2011-03-08.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 
  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 
  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:
  
  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).

  
  9   Thu Feb 4 19:45:56 2010 AidanMiscRing HeaterRing heater transfer function - increasing collection areaI mounted the thinner Aluminium Watlow
heater inside a 14" long, 1" inner
diameter cylinder. The inner surface was
 low-emissivity-tube.jpg 
  44   Wed May 26 14:58:04 2010 AidanMiscHartmann sensorHartmann sensor cooling fins added14:55 -  Mindy stopped by with the
copper heater spreaders and the cooling fins
for the Hartmann sensor. We've set them all
 HWS_CONFIG1.jpg 
  49   Tue Jun 15 16:30:10 2010 Peter VeitchMiscHartmann sensorSpot displacement maps - temperate sensitivity testsResults of initial measurement of temperature
sensitivity of Hartmann sensor
"Cold" images were taken
 spot_displacements_same_temp_0611.jpgspot_displacements_diff_temp_0611.jpg 
  50   Wed Jun 16 11:47:11 2010 AidanMiscHartmann sensorSpot displacement maps - temperate sensitivity tests - PRISMI think that the second plot is just showing
PRISM and converting it to its radial components.
This is due to the fact that the sign of
 Prism_as_radial_vector.pdf 
  51   Thu Jun 17 07:40:07 2010 James KMiscHartmann sensorSURF Log -- Day 1, Getting Started For Wednesday, June 16:   
  52   Thu Jun 17 22:03:51 2010 James KMiscHartmann sensorSURF Log -- Day 2, Getting StartedFor Thursday, June 17:
Today I attended a basic laser safety
training orientation, the second Introduction
  
  53   Sat Jun 19 17:31:46 2010 James KMiscHartmann sensorSURF Log -- Day 3, Initial Image Analysis   7x 
  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 
  55   Tue Jun 22 22:30:24 2010 James KMiscHartmann sensorSURF Log -- Day 5, more Hartmann image preliminary analysis Today I spoke with Dr. Brooks and
got a rough outline of what my experiment
for the next few weeks will entail. I'll
 13x 
  56   Wed Jun 23 06:49:48 2010 AidanMiscHartmann sensorSURF Log -- Day 5, more Hartmann image preliminary analysisNice work!
 

  
  57   Wed Jun 23 22:57:22 2010 James KMiscHartmann sensorSURF Log -- Day 6, Centroiding So in addition to taking steps towards
starting to set stuff up for the experiment
in the lab, I spent a good deal of the day
 10x 
  58   Fri Jun 25 00:11:13 2010 James KMiscHartmann sensorSURF Log -- Day 7, SLED Beam Characterization 
 BeamData.xlsxbeam_pdfs.zipbeamdata.mgsbeam.m 
  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 
  62   Thu Jul 1 09:40:13 2010 James KunertMiscHartmann sensorSURF Log 8 -- more SLED characterizationAs I started setting up my next experiment,
I noticed that the beam size from the SLED
appeared to be larger than expected from
 8x 
  64   Tue Jul 6 21:57:19 2010 James KunertMiscHartmann sensorSURF Log -- SLED fiber output temporal analysisIn the previous log, I describe the direct
measurement of the fiber output beam using
the Hartmann sensor with the plate removed.
 6x 
  65   Thu Jul 15 20:06:37 2010 James KMiscHartmann sensorSURF Log: Thermally Induced Defocus ExperimentsA quick write-up on recent work can be
found at: Google
Docs
 pydefoc.mpyanalyze.mpyimportsingle.mpyimportM.mframesumexport2.py 
  69   Thu Jul 22 21:46:55 2010 James KunertMiscHartmann sensorHartmann Sensor Thermal Defocus Measurement Noise & Ambient Light EffectsAs discussed during the teleconference,
a series of experiments have been conducted
which attempt to measure the thermally induced
 72210b_ambient.png 
  78   Mon Jul 26 18:47:12 2010 James KMiscHartmann sensorHex Grid Analysis Errors and Thermal Defocus NoiseMy previous eLog details how the noise
in Hartmann Sensor defocus measurements appears
to vary with ambient light. New troubleshooting
 centerror.PNGcentinit.pnghexgrid.png72010a.png72010a_nohex.PNG 
  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 
  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 
  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).
  
  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
  
  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
  
  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
  
  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
  
  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
  
  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
  
  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
  
  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
  
  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
  
  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
  
  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
  
  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
  
  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 
  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
  
  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
  
ELOG V3.1.3-