| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
376
|
Fri Jun 14 13:32:13 2024 |
Liu | Update | Scripts/Programs | COMSOL simulation on rectangular heater elements design | I have been looking at the feasibility
of an alternative heater element design for
FROSTI that replaces the original ring-like |
6x |
|
380
|
Fri Jun 21 11:47:30 2024 |
Liu | Update | Scripts/Programs | COMSOL simulation on alternative straightened heater elements design | In the previous post, we saw
that for the heater element design with straight |
6x |
|
387
|
Thu Jun 27 11:09:14 2024 |
Liu | Update | Scripts/Programs | Straight edge STEP files and ray loss analysis | Drawings and CAD models of the straight-edge
designs are exported, and are visualized
in SOLIDWORKS. Two are attached. One is a |
|
|
447
|
Mon Sep 23 15:11:21 2024 |
Tyler | Update | Scripts/Programs | Effective Emissivity Analysis and RIN Update | A quick update on the effective emissivity
analysis for the CIT FROSTI testing:
I was able to (roughly) match |
|
|
521
|
Sun Feb 23 16:00:07 2025 |
Luke | Update | Scripts/Programs | Ringheater modeling Update | These are some plots:
The first shows the convergence of
the 02 mode reducing the size of the mesh. |
|
|
541
|
Sun Mar 23 15:39:06 2025 |
Luke Johnson | Update | Scripts/Programs | Ringheater Location optimization | Attached are some plots that show a new parameter
sweep with a finer mesh then before. I have
also been able to get a heatmap of power |
|
|
543
|
Mon Mar 31 11:26:45 2025 |
Luke Johnson | Update | Scripts/Programs | Heatmaps of power delivery performance | These plots show the required temperature
to release 100W of power and the efficiency
of a particular configuration with half-width |
|
|
550
|
Tue Apr 8 12:15:59 2025 |
Luke | Update | Scripts/Programs | Updated optimization plot | |
|
|
557
|
Tue Apr 22 08:00:39 2025 |
Luke | Update | Scripts/Programs | Thermal optimization modeling 40kg | I have redone the width and location optimization
with a 40kg test mass. This was to see where
the nominal ring heater would fall in this |
|
|
561
|
Fri Apr 25 09:09:03 2025 |
Luke | Update | Scripts/Programs | Update to optimization plots | I have calculated the curvature of the surface
plots and created a heat map out of the data.
I have also created a contour plot of them |
|
|
562
|
Fri Apr 25 19:18:10 2025 |
Luke | Update | Scripts/Programs | New optimization plots | I have created two more plots. One on the
transmitted power for a specific configuration.
This was done by taking the product of the |
|
|
569
|
Sun May 4 18:17:45 2025 |
Luke | Update | Scripts/Programs | Ringheater modeling Update | Slides
I have changed some properties
of the thermal model and am re-running the |
|
|
575
|
Sun May 11 19:36:42 2025 |
Luke | Update | Scripts/Programs | New optimization plots | Slides
I have re-run the optimization plots
with the changes mentioned last week. |
|
|
581
|
Mon May 26 11:15:28 2025 |
Luke | Update | Scripts/Programs | Update to optimization plots | I have created some new optimization plots.
I have also started on a model like the previous
Desmos model, but in python.
Slides |
|
|
584
|
Mon Jun 2 09:45:06 2025 |
Luke | Update | Scripts/Programs | Ringheater modeling Update | Slides
I have added some slides to my meeting
updates. The updates include: my choice in |
|
|
747
|
Mon Aug 31 14:01:54 2026 |
Xuesi Ma | Summary | Scripts/Programs | For loop to vectorization, speed up your run | From
double for-loops to vectorization —
a recipe anyone can use
Date: |
|
|
134
|
Tue Jun 27 14:04:42 2023 |
Sophia A. | Update | Measuring Noise in Interferometer | Interferometer set up and connection to red pitaya | Today we (Sophia and Tyler) constructed the
set-up for the electrical noise calculation
that I will be conducting this summer. I |
|
|
656
|
Thu Oct 23 11:09:16 2025 |
Xuesi Ma | Update | Measuring Noise in Interferometer | Scatter Noise Model | DetChar meeting presentation |
|
|
712
|
Thu May 14 12:37:17 2026 |
Cynthia | Update | Measuring Noise in Interferometer | O5 Test mass design | |
|
|
10
|
Wed Aug 17 16:04:30 2022 |
Phoebe Zyla | Summary | Lore | Testing the Cartridge Heater and Collecting FLIR Data | We have tested the heater to find emissivity,
mounted the heater system to the optical
table, and have taken irradiance maps of |
|
|
274
|
Tue Nov 21 14:47:24 2023 |
Tyler | Update | Lore | 1129 Workbench Assembly Update 1 |
[Tyler, Shane, Mohak, Cynthia, Luke,
Michael, Luis]
Started assembly of the workbench |
|
|
278
|
Mon Nov 27 14:22:30 2023 |
Tyler | Update | Lore | 1129 Assembly Update | [Tyler, Michael, Luke, Cynthia]
The
tabletops have been attached to the workbench
frames. Unfortunately, one of the tabletops |
|
|
281
|
Thu Nov 30 13:50:32 2023 |
Tyler | Update | Lore | Workbench Assembly Completed | [Tyler, Luke, Aiden]
The workbenches
are now completely assembled and put into
their final places. Additionally, the tool |
|
|
717
|
Mon Jun 15 22:30:09 2026 |
Cece Ochoa | Infrastructure | Inventory | Optics Inventory | Spreadsheet of all tabletop optical parts
in 1129 (Cabinet 1)
linked here
Note that a couple |
|
|
722
|
Thu Jun 25 13:21:31 2026 |
Cece | Update | Inventory | Optics Inventory Update | [Shane, Ma, Cece]
Updated optics inventory here.
Changes made: removed thrown out optics |
|
|
724
|
Thu Jul 2 11:09:09 2026 |
Cece Ochoa | Update | Inventory | PPE/Cleaning Supplies Inventory | [Shane, Cece]
Shane has made a Google Form
to take inventory of PPE
and cleaning supplies.
Additionally, |
|
|
728
|
Mon Jul 6 18:25:26 2026 |
shane | Update | Inventory | Cleaning/PPE inventory |
The cleaning
supply/PPE inventory has now been fully updated
and the spreadsheet can be viewed here. |
|
|
741
|
Sun Jul 26 13:07:04 2026 |
Cece | Update | Inventory | Vacuum Part Inventory | Took a more comprehensive inventory of the
vacuum chamber parts on the optical table
in 1129. Made note of scratches, chips, stains |
|
|
321
|
Tue Feb 13 01:26:30 2024 |
Peter | Update | Interferometer Simulations | CARM Power Simulations | Cao's simulations of the circulating power
and gouy phase through a single arm cavity
of the interferometer have been reproduced. |
|
|
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 |
|
|
324
|
Tue Feb 13 12:26:23 2024 |
Tyler | Update | Interferometer Simulations | BS Code Update | I reproduced Cao's CE beamsplitter code
(see below for example plots). I received
the current info on the beamsplitter parameters |
|
|
326
|
Tue Feb 13 13:02:41 2024 |
Pooyan | Update | Interferometer Simulations | Cacity sacn of Fabry-Perot | Created a simple model of Fabry-Perot cavity
in SIS, and did a cavity scan. Total power
in the cavity, 00 mode, and HOMs is measured. |
|
|
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 |
|
|
343
|
Tue Feb 27 09:06:29 2024 |
Cynthia | Update | Interferometer Simulations | cavity scan with higher order input laser | I performed a few cavity scan with the inputing
laser with a different mode (not pure 00).
For each laser I included a graph for just |
|
|
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 |
|
|
358
|
Mon Apr 8 14:43:29 2024 |
Pooyan | Update | Interferometer Simulations | SIS update single and coupled cavities | [Pooyan, Cynthia]
Attached is a brief
recap PDF file. A video file showing separate
HOMs plots for the cavity scan with ETM08 |
|
|
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. |
|