| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
359
|
Mon Apr 8 14:57:41 2024 |
Cynthia, Pooyan | Update | Interferometer Simulations | performed cavity scans for O4 O5, and coupled cavity | |
|
|
361
|
Mon Apr 15 15:25:10 2024 |
Cynthia | Update | Interferometer Simulations | progress on simulation so far | |
|
|
363
|
Mon Apr 22 15:06:33 2024 |
Cynthia | Update | Interferometer Simulations | cavity scan update | [Cynthia,Pooyan]
Completed some simulations
injecting 0-10th order modes. Some graphs
will be used for the poster after some further |
|
|
374
|
Mon Jun 3 14:59:44 2024 |
Cynthia | Update | Interferometer Simulations | Created cavity scan with LG modes | |
|
|
381
|
Mon Jun 24 14:28:51 2024 |
Cynthia | Update | Interferometer Simulations | SIS cavity with thermal effect | tried to run a cavity scan with thermal deformation
and ring heater for ITM04 ETM08 (aLIGO mirrors).
Not sure about the accuracy of the graph |
|
|
391
|
Mon Jul 1 11:45:45 2024 |
Sid | Update | Interferometer Simulations | | Progress update: Most of last week was spent
getting set up with SIS, and learning how
to do basic simulations. The goal for this |
|
|
392
|
Mon Jul 1 15:19:42 2024 |
Cynthia | Update | Interferometer Simulations | O4 and O5 mirror cavity scans with thermal effect | |
|
|
393
|
Fri Jul 5 13:17:44 2024 |
Liu | Update | Interferometer Simulations | Four-quadrant FROSTI-like RH for astigmatic thermal actuation for CE optics | In the CE corner layout design and down selection
study, interferometer layouts with large
incidence angles on some of the curved optics |
7x |
|
394
|
Fri Jul 5 14:12:32 2024 |
Liu | Update | Interferometer Simulations | CE BS Mechanical Resonances | The butterfly and drumhead mechanical modes
for the aLIGO BS were calculated in COMSOL.
The resonant frequencies for the two acoustic |
|
|
395
|
Fri Jul 5 14:23:13 2024 |
Liu | Update | Interferometer Simulations | Engineering drawings for straight edge heater element designs for FROSTI | Step files and engineering drawings for the
straight edge heater element designs have
been created in COMSOL and SolidWorks. They |
|
|
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 |
|
|
404
|
Mon Jul 15 09:36:44 2024 |
Liu | Update | Interferometer Simulations | ETM Profile Optimization for FROSTI | This is to optimize the FROSTI heating
profile for ETM, by minimizing the residual
RMSE of the HR surface deformation after |
|
|
406
|
Mon Jul 15 14:28:32 2024 |
Pooyan | Update | Interferometer Simulations | aLIGO test mass surface profiles | Created a Google Slides presentation to
summarize all the mirror surface map information
that we use for simulating interferometers. |
|
|
408
|
Mon Jul 15 15:44:52 2024 |
Cynthia | Update | Interferometer Simulations | performed cavity scans with thermal effects and ring heater | |
|
|
409
|
Mon Jul 15 15:52:40 2024 |
Michael | Update | Interferometer Simulations | aLIGO locking with varying SRC mirrors and measuring mode mismatch | |
|
|
413
|
Mon Jul 29 12:18:52 2024 |
Liu | Update | Interferometer Simulations | Update on FROSTI O5 ETM profile optimization | Update on FROSTI O5 ETM profile optimization
is attached. |
|
|
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 |
|
|
616
|
Tue Jul 29 11:27:57 2025 |
Liu | Update | Interferometer Simulations | Multi-ring FROSTI optimization for A# | |
|
|
622
|
Tue Aug 5 12:21:04 2025 |
Liu | Update | Interferometer Simulations | FROSTI A# optimization | A# multi-ring FROSTI optimization |
|
|
625
|
Tue Aug 12 12:16:21 2025 |
Liu | Update | Interferometer Simulations | Multi-ring FROSTI optimization for A# | Multi-ring FROSTI optimization for A# with
static polishing |
|
|
628
|
Tue Aug 12 13:32:43 2025 |
Liu | Update | Interferometer Simulations | | Differences in Fused Silica parameters. |
|