ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
414
|
Mon Jul 29 12:20:56 2024 |
Liu | Update | Interferometer Simulations | Update on wavefront actuation with astigmatically driven RH for CE | Update on wavefront actuation with astigmatically
driven RH for CE is attached. |
|
415
|
Mon Jul 29 12:23:10 2024 |
Liu | Update | Interferometer Simulations | Update on mechanical resonances of CE BS with stiffener ring | Update on mechanical resonances of CE BS with
stiffener ring is attached. |
|
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. |
 |
421
|
Tue Aug 6 13:07:07 2024 |
Xuejun | Update | Interferometer Simulations | | [Xuejun]
The width and location of
the measured in-air change in temperature
profile has been determined to be 0.045m |
 |
424
|
Mon Aug 12 17:09:04 2024 |
Cynthia | Update | Interferometer Simulations | O4 vs O5 cavity scans with ITM plume guess or ETM | So far the proposed solution for what to use
for O5 ITM mirror for SIS simulations is
either the plume guess file or using the |
   |
426
|
Mon Aug 19 07:11:55 2024 |
Cynthia | Update | Interferometer Simulations | cavity scans with FROSTI effects | |
|
428
|
Mon Aug 26 14:42:04 2024 |
Cynthia | Update | Interferometer Simulations | current status on cavity scan with effects of FROSTI | I used the code and arm cavity model used
for previous O5 study on mirrors and HOM
(the pdf of the study and the result can |
|
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 |
   |
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" |
|
439
|
Mon Sep 16 07:28:16 2024 |
Luke | Update | Interferometer Simulations | Ring heater update | |
|
443
|
Mon Sep 16 15:18:59 2024 |
Cynthia | Update | Interferometer Simulations | a breakdown of FROSTI and thermal effects and the resulting cavity scan | |
|
444
|
Mon Sep 23 08:29:49 2024 |
Luke | Update | Interferometer Simulations | Ringheater update |
Ringheater
Update
If the link does not work here is |
|
446
|
Mon Sep 23 15:00:41 2024 |
Cynthia | Update | Interferometer Simulations | corrections on assumption for O5 coating | The document recording ETM07 and ETM08 coating
(T2300093) was discussed:
the current
plume files are not necessarily correct in |
|
454
|
Wed Oct 2 13:38:00 2024 |
Cynthia | Update | Interferometer Simulations | cavity scan with averaged O4 ETM coating as plume | |
  |
469
|
Wed Nov 6 13:48:55 2024 |
Liu | Update | Interferometer Simulations | QN modeling update | Slides |
|
482
|
Mon Dec 2 00:11:23 2024 |
Michael | Update | Interferometer Simulations | Status Update on Toroidal Mirrors Project Work | As it has been significant time from my last
update on this project, I compiled a few
notes about what I have been working on, |
|
523
|
Tue Feb 25 01:37:00 2025 |
Michael | Update | Interferometer Simulations | Updates and Current Next Steps for Toroidal Mirrors Project | Since the previous discussion of this project,
I've worked on building finesse models to
verify mathematical results which model the |
|
526
|
Tue Feb 25 10:56:25 2025 |
Cynthia | Update | Interferometer Simulations | mirror coating added for simulation rerun | I have tried to rerun the simulation on finesse
after adding the mirror coating. The result
has a large fluctuation in required input |
|
530
|
Tue Mar 4 10:18:43 2025 |
Cynthia | Update | Interferometer Simulations | attempted to remove curvature and tilt for the coating | |
|
540
|
Tue Mar 11 11:28:52 2025 |
Cynthia | Update | Interferometer Simulations | flattening mirror to study power discrepency | |
|
548
|
Tue Apr 8 00:17:01 2025 |
Michael | Update | Interferometer Simulations | Squeezing Performance Graphs for Case With and Without Toroidal Mirrors in LIGO | I've created some graphs for the frequency
dependent observed squeezing level in LIGO
for both the nominal case and the case where |
|
554
|
Tue Apr 15 11:37:17 2025 |
Cynthia | Update | Interferometer Simulations | Finishing up mirror coating map step | |
|
555
|
Thu Apr 17 12:12:29 2025 |
Liu | HowTo | Interferometer Simulations | Preventing Thread Contention in Multiprocessing with Finesse and Cython |
Avoiding Thread
Contention When Using Multiprocessing |
|
556
|
Mon Apr 21 16:56:42 2025 |
Michael | Update | Interferometer Simulations | Fixed Observed Squeezing Curve for Toroidal Mirror Case | We've resolved the issue with the observed
squeezing curve for the toroidal mirror case
showing worse performance at lower frequencies |
|
558
|
Tue Apr 22 11:04:31 2025 |
Liu | Update | Interferometer Simulations | Test Mass Thermal State Decoder Update with Interferometer Operation | |
|
564
|
Tue Apr 29 10:59:25 2025 |
Liu | Update | Interferometer Simulations | Test Mass Thermal State Decoder with Updated Comparison Cases | |
|
571
|
Tue May 6 13:07:34 2025 |
Michael | Update | Interferometer Simulations | Initial Convergence Plots for Toroidal Mirrors Project | |
  |
582
|
Mon May 26 23:24:33 2025 |
Michael | Update | Interferometer Simulations | Initial Monte Carlo Simulations for Toroidal Mirrors Project | I've run an initial Monte Carlo simulation
for statistical comparison of toroidal mirrors
for the dual FROSTI TCS case. Below is the |
|
587
|
Tue Jun 3 12:16:13 2025 |
Cynthia | Update | Interferometer Simulations | Point absorber simulation on radially averaged profile | |
|
598
|
Tue Jun 24 13:47:58 2025 |
Liu | Update | Interferometer Simulations | Alternative FROSTI A# optimization approach | Alternative FROSTI A# optimization approach |
|
2
|
Thu Jun 2 16:14:58 2022 |
Jon | HowTo | General | Custom conda environment on JupyterHub | Cross-linking instructions: How
to run a Jupyter notebook in your custom
Conda environment |
|
7
|
Mon Jul 11 14:29:45 2022 |
Jon | Omnistructure | General | HEPA filter installed | Today I unpacked and installed the new HEPA
filter for the lab. It is an Omni CleanAir
OCA1210 capable of 1200 CFM. This flow rate |
|
16
|
Mon Jan 23 17:26:15 2023 |
Peter Carney | Update | General | Oven cleaning | Aiden and Cao
Turned on the oven to 120
deg C for 12 hours. After 12 hours, put it
at 200 deg C for 48 hours. |
|
17
|
Thu Jan 26 18:58:25 2023 |
Aiden | Update | General | Oven Heating | Aiden cleaned the oven with methanol again
and set the oven to 260 degC for 12 hours. |
|
18
|
Fri Jan 27 18:44:31 2023 |
Julian | Update | General | Vacuum Chanmber Cleaning | I used the IPA wipes to wipe down the inside
of the chamber the best I could. I cleaned
the main chamber but not any of the connecting |
|
19
|
Fri Feb 3 13:04:04 2023 |
shane | Summary | General | clean room particle counts 1/25/23 | Clean room count graphs for each zone (as
of January 25, 2023) attached |
|
22
|
Mon Feb 6 20:02:32 2023 |
Julian | Update | General | Cleanroom Update | I wiped down the main table (including frame,
legs, and transparent shelf) and workbench
using alcohol wipes. Once I cleaned all of |
|
25
|
Fri Feb 10 15:15:30 2023 |
Aiden | Update | General | Bagging First Batch | Aiden Bagged and Tagged the first batch of
stainless steel parts shown on the google
spread sheet.
1. Removed two parts from |
|
27
|
Sat Feb 11 00:17:27 2023 |
Julian | Update | General | Vacuum Chamber Cleaning | Today I finished wiping down the rest of the
vacuum chamber, specifically focusing on
the connecting ports and outside surface |
   |
28
|
Sat Feb 11 17:09:29 2023 |
Shane | Update | General | clean room particle counts 2/10/23 | Took a round of clean room counts after the
latest clean of vacuum chamber on Feb 10.
Used 60 second sample time, 5 samples for |
  |
29
|
Mon Feb 13 18:57:53 2023 |
Aiden | Summary | General | Clean and Bake batch 2 | Cleaned second batch of SS parts with liquinox
for 20 min. Then put in oven for 5 steps;
1. Ramp, 100 degC, 15 min 2. Const, 100 degC, |
|
30
|
Fri Feb 17 19:12:39 2023 |
Aiden | Update | General | Clean and Bake batch 3 | Bagged and Tagged batch 2 parts by placing
no more than two parts per ESD bag then taped
them with kapton tape and tagged them with |
 |
31
|
Tue Feb 21 17:51:04 2023 |
Aiden | Summary | General | Clean and Bake batch 4 | Bagged and Tagged batch 3 parts by placing
no more than two part numbers per bag and
taped them with kapton tape and labeled them |
 |
32
|
Thu Feb 23 13:32:55 2023 |
Shane | Update | General | Clean room floor particle counts | Here are the counts from the clean room floor
today. The counts should be dated- the ones
from today (2/23/23) are the last 8 in the |
|
33
|
Thu Feb 23 21:12:33 2023 |
Julian | Update | General | Vacuum Chamber Cleaning | Today I was able to come in and wipe down
both sides of the vacuum chamber lid using
the regular alcohol wipes and also wipes |
  |
34
|
Mon Feb 27 17:09:04 2023 |
Pamella | Update | General | Vacuum Chamber Cleaning | Pamella and Julian finished cleaning the interior
of the chamber, chamber lid, and the table.
We found some black residue on the side of |
 |
35
|
Tue Feb 28 13:53:17 2023 |
Pamella | Update | General | Vacuum chamber cleaning | Pamella, Dr. Richardson and Dr.Cao finished
checking and cleaning the interior of the
chamber, chamber lid, and exterior of the |
   |
38
|
Tue Feb 28 19:37:22 2023 |
Aiden | Summary | General | Clean and Bake batch 5 | Bagged and Tagged batch 4 parts by placing
no more than two part numbers per bag and
taped them with kapton tape and labeled them |
  |
41
|
Thu Mar 2 20:53:56 2023 |
Julian | Update | General | Cleanroom Update | Today Pamella and Julian began the final cleaning
of the cleanroom, starting with the HEPA
vacuuming and mopping then wiping down every |
|
42
|
Fri Mar 3 19:13:33 2023 |
Aiden | Summary | General | Clean and Bake Batch 6 | Started to clean the dirtiest of the valves.
I could not finish but I definitely made
good progress on it. The MDC valve is very |
 |