| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
149
|
Thu Jul 6 18:03:19 2023 |
Pamella | Update | FLIR | FLIR project - New configuration | [Pamella]
Cao suggested using the project
without the reflector and mask because in
this case we probably got good images around |
|
|
151
|
Sat Jul 8 14:26:17 2023 |
Pamella | Update | FLIR | Data with the new configuration without the mask and reflector. | [Pamella]
I started collecting data by moving
the camera FLIR and covering all six positions
on the screen (2x3). I was looking and taking |
6x |
|
157
|
Fri Jul 14 16:49:42 2023 |
Pamella | Update | FLIR | New bridge and calibration data | [Pamella]
Aiden 3D printed a new
bridge for the heater and I installed the
new bridge yesterday.
I started |
|
|
158
|
Sun Jul 16 15:21:56 2023 |
Pamella | Update | General | General update about some problems in the lab. | [Pamella]
General information about
the lab facility.
Changed sticky floor mats, because close |
|
|
159
|
Mon Jul 17 11:46:24 2023 |
Pamella | Update | FLIR | Thermocouple plot. | [Pamella]
I collected data to plot
a calibration with the heater. I took measurements
with current and temperature (the thermocouple |
|
|
163
|
Tue Jul 18 16:04:26 2023 |
Pamella | Update | FLIR | Setup FLIR with black wall (black body) | [Pamella]
Today I tried get data
the heater with the black screen but doesn't
looks possible have just one "energy" point |
|
|
164
|
Tue Jul 18 16:12:27 2023 |
Pamella | Update | FLIR | Thermocouple plot. | I noticed that these measurements
have some issues with the weather on different
days. We can see in the photo attached below |
|
|
165
|
Tue Jul 18 16:35:06 2023 |
Pamella | Update | FLIR | Plot-Data with the new configuration without the mask and reflector. | [Pamella]
I was able to plot the
first graph for a result between the six
different positions on the screen, for now |
|
|
167
|
Wed Jul 19 19:10:31 2023 |
Pamella | Update | FLIR | Data plot FLIR and updates. | [Pamella]
Today I was able to plot
a graph for the isolation point on the center
of the heater. I got data from six different |
8x |
|
169
|
Thu Jul 20 21:00:23 2023 |
Pamella | Update | FLIR | Data plot FLIR and updates about the black body | [Pamella]
Today I got more data
to plot the Gaussian. So I took more snaps
in each position for the six different spots |
|
|
181
|
Fri Jul 28 18:03:07 2023 |
Pamella | Update | FLIR | Final plot - FLIR | [Pamella]
I was able to
plot the final result with the data to the
heater. I attached below the "3Combined_HighTemp_Gaussian_Plot." |
|
|
317
|
Tue Feb 6 22:40:25 2024 |
Michael | Update | Scripts/Programs | Long Crab 1 Design Created In Gtrace | Worked on and completed the python code for
the simulation of the Long Crab 1 layout
for Cosmic Explorer basing off of Pooyan's |
|
|
322
|
Tue Feb 13 04:05:32 2024 |
Michael | Update | Interferometer Simulations | Shoelaces 1 Layout Simulated in GTrace | I've worked on and have completed a first
simulation of Cosmic Explorer's Shoelaces
1 layout. This is based off of Pooyan's original |
|
|
334
|
Wed Feb 21 23:15:07 2024 |
Michael | Update | Interferometer Simulations | Long Shoelaces 1 Layout Created in Gtrace and Fixed Ghosting in Beamsplitter | I have created the long shoelaces 1 layout
for cosmic explorer using gtrace, a slight
modification from the shoelaces 1 layout |
|
|
342
|
Tue Feb 27 03:26:28 2024 |
Michael | Update | Interferometer Simulations | Reverse aLIGO Layout Created in Gtrace | I've created the simulation for reverse aLIGO
layout in gtrace. Attached are the desmos
model and the output dxf file. From here |
|
|
357
|
Sun Apr 7 13:42:51 2024 |
Michael | Update | Interferometer Simulations | Update on status of gtrace project | [Pooyan, Michael]
After meeting and
discussing the current state of our work
with Prof. Fulda a few weeks ago, we have |
|
|
397
|
Mon Jul 8 12:26:10 2024 |
Michael | Update | Interferometer Simulations | Minimizing Astigmatic Effects in the SRC of LIGO | This is the first look and analysis of the
effects of astigmatism in the aLIGO optical
layout which can lead to mode mismatch and |
|
|
409
|
Mon Jul 15 15:52:40 2024 |
Michael | Update | Interferometer Simulations | aLIGO locking with varying SRC mirrors and measuring mode mismatch | |
|
|
Draft
|
Sun Aug 4 09:01:01 2024 |
Michael | Update | Interferometer Simulations | Update on SRC Mode Mismatch Analysis | An update on my analysis to minimize mode
mismatch/scattering by introducing toroidal
mirrors to the SRC. |
|
|
436
|
Mon Sep 9 12:36:45 2024 |
Michael | Update | Interferometer Simulations | Update on Analysis of Mode Mismatch Minimization in A# | I have taken a closer look at the solution
curve in the mirror parameter space which
I have searched, focusing on the "resilience" |
|
|
405
|
Mon Jul 15 13:30:49 2024 |
Luke | Update | VAC | Problem with 2.75" to 1.33" zero length reducer | Last Friday while checking the depth of the
ZLR I got one of the screws stuck. Today
I tried a couple things to get it out. First |
|
|
423
|
Mon Aug 12 16:35:30 2024 |
Luke | Update | | Ringheater modeling Update | |
|
|
435
|
Fri Sep 6 14:34:52 2024 |
Luke | Update | VAC | Heating tape work | On the 5th I had tried to start baking
the vacuum chamber however certain parts
of the chamber were getting too hot and causing |
|
|
452
|
Wed Oct 2 12:05:42 2024 |
Luke | Update | | Ringheater modeling Update | Power
point slides |
|
|
Draft
|
Wed Oct 23 12:33:54 2024 |
Luke | Update | | Zernike calculation update | PowerPoint
slides new
PowerPoint |
|
|
471
|
Wed Nov 13 14:06:00 2024 |
Luke | Update | General | | slides |
|
|
472
|
Thu Nov 14 10:46:20 2024 |
Luke | Summary | Cleanroom | Cleanroom cleaning |
[Luke, Luis, Michael]
cleaning cleanroom and particle count |
|
|
474
|
Tue Nov 19 17:10:34 2024 |
Luke | Update | VAC | Leak check | Chamber temperature: 23C
Chamber Initial Pressure: ~1.8e-8
main, ~3.5e-8 rga |
|
|
371
|
Fri May 31 19:37:47 2024 |
Luke | Update | | Vacuum chamber Disassembly | [Luke, Aiden, Jon, Michel, Tyler]
Work
done:
On Tuesday (5/28) we removed the RGA
line with minimal difficulty. On Wednesday |
|
|
378
|
Wed Jun 19 18:45:14 2024 |
Luke | Update | | Vacuum chamber reassembly | [Luke, Aiden, Mohak , Tyler]
On Tuesday
we had the silver screws for the spherical
cube shortened by a quarter of an inch so |
|
|
384
|
Tue Jun 25 17:19:42 2024 |
Luke | Update | VAC | Vacuum chamber leak checking | Currently our main leak is in the RGA line.
We found this by closing the gate valve from
the main volume to see if which side was |
|
|
386
|
Wed Jun 26 16:39:34 2024 |
Luke | Update | VAC | Vacuum chamber leak checking | On Tuesday I had isolated the main volume
and let it pump down over-night. Today, Wednesday,
I checked it and it had only gone down by |
|
|
390
|
Fri Jun 28 18:15:16 2024 |
Luke | Update | VAC | Vacuum chamber | We will be configuring the RGA line to
remove the spherical cube from the system.
Currently our plan for the new design is |
|
|
400
|
Wed Jul 10 17:31:07 2024 |
Luke | Update | VAC | RGA line disassembly and upgrade | [ Luke, Cynthia, Michael, Xuesi, Anthony
]
Started work around 12:45 |
|
|
401
|
Thu Jul 11 15:53:39 2024 |
Luke | Update | VAC | RGA line upgrade | [ Luke, Jon ]
Started work at 11:00
As mentioned in my previous post |
|
|
403
|
Sat Jul 13 15:09:04 2024 |
Luke | Update | General | Ring heater COMSL model update | After the feedback from last meeting and
Liu's help narrowing down what I should do
to improve the model. I made some changes: |
|
|
411
|
Mon Jul 22 18:19:34 2024 |
Luke | Update | VAC | Zero length reducer stuck bolts | Today, I borrowed a bolt extractor drill
bit from the machine shop to remove some
stuck bolts from the zlr. Before starting, |
|
|
427
|
Fri Aug 23 16:08:32 2024 |
Luke | Update | VAC | RGA line leak testing | [Luke, Luis, Jon, Tyler]
On the 22nd Dr. Richardson showed
Luis, Tyler and I how to preform a leak test |
|
|
429
|
Tue Aug 27 15:01:26 2024 |
Luke | Update | VAC | RGA line leak testing | [Luke, Tyler]
On the 27th Tyler and I ran the RGA
leak test again with the electron multiplier |
|
|
430
|
Tue Aug 27 18:37:40 2024 |
Luke | Update | Interferometer Simulations | Ringheater model update | Updated the model to produce a more circular
deformation in the HR surface. The first
three attachments are from irradiance patterns |
|
|
431
|
Thu Aug 29 16:39:34 2024 |
Luke | Update | VAC | Photos of heater tape | |
6x |
|
432
|
Sun Sep 1 16:17:40 2024 |
Luke | Update | VAC | Vacuum chamber leak checking and re-applying heating tape | [Luke, Luis, Cinthia, Michal, Tyler]
On the 26th Cinthia, Michal, and
I took off the insolation on the vacuum chamber |
|
|
433
|
Tue Sep 3 15:52:56 2024 |
Luke | Update | VAC | Heater tape initilization | [Luke, Tyler, Jon]
On the 3rd we set up the pid controllers
for the heater tapes and after putting on |
|
|
438
|
Mon Sep 9 21:02:37 2024 |
Luke | Update | VAC | Steadystate temperature of flanges | I measured the temperature of the flanges
and reconnected the RGA turning on its filament.
I then turned off the PID controllers. |
|
|
439
|
Mon Sep 16 07:28:16 2024 |
Luke | Update | Interferometer Simulations | Ring heater update | |
|
|
444
|
Mon Sep 23 08:29:49 2024 |
Luke | Update | Interferometer Simulations | Ringheater update |
Ringheater
Update
If the link does not work here is |
|
|
268
|
Thu Nov 16 17:12:42 2023 |
Luis, Shane, Mohak | Update | Cleanroom | Cleanroom cleaning and particle count |
[Shane, Luis,
Mohak]
cleaning cleanroom and
particle count |
|
|
425
|
Fri Aug 16 12:51:46 2024 |
Luis Martin | Update | VAC | Update on vacuum chamber status | [Luis, Luke, Tyler]
Vacuum chamber parts were finally
received and assembled. After whipping down |
|
|
440
|
Mon Sep 16 13:51:23 2024 |
Luis Martin | Update | VAC | RGA Scans |
|
|
|
448
|
Wed Sep 25 09:06:09 2024 |
Luis Martin | Update | VAC | RGA Scans |
|
|