| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
90
|
Tue Aug 17 16:31:55 2010 |
Aidan | Things to Buy | Laser | Bought a laser diode from Thorlabs for HWS | http://www.thorlabs.com/thorProduct.cfm?partNumber=CPS180
I bought this laser diode from Thorlabs
today to try the current modulation trick |
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93
|
Mon Aug 23 08:43:16 2010 |
Aidan | Things to Buy | Laser | Bought a laser diode from Thorlabs for HWS | It arrived on Friday.
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106
|
Fri Feb 18 13:26:23 2011 |
Aidan | Things to Buy | Delivery Note | First parts of Bosch framing have arrived from Valin | The first pieces of the Bosch framing have
arrived from Valin Corporation. These are
just small pieces such as the fasteners and |
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108
|
Wed Feb 23 18:04:38 2011 |
Aidan | Things to Buy | Delivery Note | First parts of Bosch framing have arrived from Valin |
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111
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Thu Feb 24 13:35:41 2011 |
Aidan | Things to Buy | Delivery Note | Bosch framing has arrived | The custom pieces of the Bosch framing
have arrived. Transportation is currently
moving them downstairs to the lab. The packing |
|
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117
|
Tue Mar 1 11:19:34 2011 |
Aidan | Things to Buy | Delivery Note | MFF001 flipper mirror has arrived | The Thorlabs MFF001 flipper mirror
recommended by Bram has arrived. The delivery
note is attached. |
|
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118
|
Tue Mar 1 11:21:37 2011 |
Aidan | Things to Buy | Delivery Note | More Bosch framing parts - angle connectors | Another box of Bosch framing parts
arrived today. The delivery note is attached. |
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124
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Tue Mar 8 18:57:50 2011 |
Aidan | Things to Buy | Delivery Note | Fiber optics cable and Bosch Fastener | |
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133
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Mon Apr 4 13:13:23 2011 |
Aidan | Things to Buy | Delivery Note | Newfocus 5102 mirrors and Firewire extension cable have arrived | See attached delivery note ... |
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136
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Sun Apr 17 14:59:36 2011 |
Aidan | Things to Buy | Delivery Note | L-Com patch panel, Newport lenses, Thorlabs fibers delivery notes | |
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139
|
Mon Apr 18 15:06:53 2011 |
Aidan | Things to Buy | Hartmann sensor | Ordered 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: |
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232
|
Mon Jul 22 18:44:53 2019 |
Edita Bytyqi | Things to Buy | General | Need to Order Gloves | Small/Medium size gloves need to be ordered
in order to handle the optics carefully. |
|
|
235
|
Thu Jul 25 09:13:36 2019 |
Jon | Things to Buy | General | Need to Order Gloves | New gloves are ordered for the TCS and
QIL labs. They arrive tomorrow (Friday).
|
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252
|
Fri May 20 16:42:47 2022 |
Stephen | Things to Buy | Ordering | Up to Air valve for IR Labs Cryostat | Purchased from Lesker, for venting of IR
Labs Cryostat:
- P/N C35103000 |
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9
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Thu Feb 4 19:45:56 2010 |
Aidan | Misc | Ring Heater | Ring heater transfer function - increasing collection area | I mounted the thinner Aluminium Watlow
heater inside a 14" long, 1" inner
diameter cylinder. The inner surface was |
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44
|
Wed May 26 14:58:04 2010 |
Aidan | Misc | Hartmann sensor | Hartmann sensor cooling fins added | 14:55 - Mindy stopped by with the
copper heater spreaders and the cooling fins
for the Hartmann sensor. We've set them all |
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49
|
Tue Jun 15 16:30:10 2010 |
Peter Veitch | Misc | Hartmann sensor | Spot displacement maps - temperate sensitivity tests | Results of initial measurement of temperature
sensitivity of Hartmann sensor
"Cold" images were taken |
|
|
50
|
Wed Jun 16 11:47:11 2010 |
Aidan | Misc | Hartmann sensor | Spot displacement maps - temperate sensitivity tests - PRISM | I 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 |
|
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51
|
Thu Jun 17 07:40:07 2010 |
James K | Misc | Hartmann sensor | SURF Log -- Day 1, Getting Started | For Wednesday, June 16: |
|
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52
|
Thu Jun 17 22:03:51 2010 |
James K | Misc | Hartmann sensor | SURF Log -- Day 2, Getting Started | For Thursday, June 17:
Today I attended a basic laser safety
training orientation, the second Introduction |
|
|
53
|
Sat Jun 19 17:31:46 2010 |
James K | Misc | Hartmann sensor | SURF Log -- Day 3, Initial Image Analysis | |
7x |
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54
|
Tue Jun 22 00:21:47 2010 |
James K | Misc | Hartmann sensor | Surf 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 K | Misc | Hartmann sensor | SURF 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 |
Aidan | Misc | Hartmann sensor | SURF Log -- Day 5, more Hartmann image preliminary analysis | Nice work!
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57
|
Wed Jun 23 22:57:22 2010 |
James K | Misc | Hartmann sensor | SURF 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 K | Misc | Hartmann sensor | SURF Log -- Day 7, SLED Beam Characterization |
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59
|
Fri Jun 25 10:47:08 2010 |
Aidan | Misc | aLIGO Modeling | Uploaded aLIGO axicon+ITM COMSOL model to the 40m SVN | I added a COMSOL model of the aLIGO ITM
being heated by an axicon-formed annulus
to the 40m SVN. The model assumes a fixed |
|
|
60
|
Fri Jun 25 10:59:43 2010 |
Aidan | Misc | aLIGO Modeling | Uploaded aLIGO axicon+ITM COMSOL model to the 40m SVN | Here are the results in the annulus thickness
vs annulus diameter space ...
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|
|
62
|
Thu Jul 1 09:40:13 2010 |
James Kunert | Misc | Hartmann sensor | SURF Log 8 -- more SLED characterization | As 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 Kunert | Misc | Hartmann sensor | SURF Log -- SLED fiber output temporal analysis | In 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 K | Misc | Hartmann sensor | SURF Log: Thermally Induced Defocus Experiments | A quick write-up on recent work can be
found at: Google
Docs |
|
|
69
|
Thu Jul 22 21:46:55 2010 |
James Kunert | Misc | Hartmann sensor | Hartmann Sensor Thermal Defocus Measurement Noise & Ambient Light Effects | As discussed during the teleconference,
a series of experiments have been conducted
which attempt to measure the thermally induced |
|
|
78
|
Mon Jul 26 18:47:12 2010 |
James K | Misc | Hartmann sensor | Hex Grid Analysis Errors and Thermal Defocus Noise | My previous eLog details how the noise
in Hartmann Sensor defocus measurements appears
to vary with ambient light. New troubleshooting |
|
|
91
|
Tue Aug 17 22:34:14 2010 |
rana | Misc | General | ETM temperature after a 1W step | This 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 |
|
|
112
|
Thu Feb 24 14:20:55 2011 |
Aidan | Misc | Ring Heater | aLIGO H2 Ring Heater Pics | Here are some pictures of the ring
heater segments destined for the H2 Y-arm
this year. |
|
|
116
|
Tue Mar 1 10:47:18 2011 |
Aidan | Misc | Hartmann sensor | Electron to Counts conversion efficiency | Using 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 |
rana | Misc | LIGO 3G | Switching 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 Mauney | Misc | aLIGO Modeling | 6/5/12 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 Mauney | Misc | aLIGO Modeling | 6/6/12 Daily Summary | - Got access to and started working with
SIS on Rigel1
- Fixed SVN issues |
|
|
159
|
Thu Jun 7 00:23:11 2012 |
Aditi Mittal | Misc | LIGO 3G | Summary 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 Mauney | Misc | aLIGO Modeling | 6/7/12 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 Mittal | Misc | LIGO 3G | Summary 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 Mauney | Misc | aLIGO Modeling | 6/8/12 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 Mittal | Misc | LIGO 3G | Summary 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 Mauney | Misc | aLIGO Modeling | 6/11/12 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 Mittal | Misc | LIGO 3G | Summary 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 Mauney | Misc | aLIGO Modeling | 6/12 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 Mittal | Misc | LIGO 3G | Summary 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 Mauney | Misc | aLIGO Modeling | 6/14/12 Daily Summary | - Plugged the output of the model with
uniform heating into SIS using both modification
of the radius of curvature, and direct importation |
|
|
169
|
Mon Jun 18 16:30:36 2012 |
Alex Mauney | Misc | aLIGO Modeling | 6/18/12 Daily Summary | - Verified that the SIS output does match
satisfy the equations for Gaussian beam propagation
- Investigated how changing the amount |
|