| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
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." |
|
|
536
|
Mon Mar 10 21:13:12 2025 |
Nathan | Update | VLC Update | PDH Lock Progress and Next Steps | Progress update: Photodiode is set up, need
to set up DC bias tee, EOM has 400-600nm
wavelength range with a resonance frequency |
|
|
537
|
Mon Mar 10 21:32:29 2025 |
Nathan | Physics | Electronics | Beam Profiling and PBS Measurements | Beam wasn't diverging, however maybe was about
to diverge when measurements stopped? Will
discuss the PBS measurements and how the |
|
|
551
|
Tue Apr 8 20:04:35 2025 |
Nathan | Update | VLC Update | PDH Lock Progress | Connected the DC bias and mixer. Need to connect
signal generator now to RF Amp and mixer,
and also need to connect power supply. After |
|
|
560
|
Tue Apr 22 13:00:04 2025 |
Nathan | Update | VLC Update | Photodiode signal check and additional signal check due to 20Mhz signal and amplifier | In general, photodiode was able to achieve
signal. Below are the voltage signals and
frequency measurements of the photodiode |
|
|
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" |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
634
|
Tue Aug 26 12:18:36 2025 |
Michael | Update | Interferometer Simulations | Squeezing Plots for SRC Parameter Space | I've run a few plots of observed squeezing
in the LIGO interferometer to fully ensure
that the point we have selected is the optimal |
|
|
Draft
|
Thu Oct 23 11:34:05 2025 |
Michael | Update | Interferometer Simulations | Updated Exploration into Different SRC Mirror Configurations for Improved Squeezing | |
|
|
680
|
Thu Feb 5 13:49:31 2026 |
Michael | Update | Interferometer Simulations | Updating Squeezing Mode Matching Logic | After some tests, I have determined that the
squeezer in the aLIGO katscript is currently
being matched to the SRC. This logic will |
|
|
621
|
Tue Aug 5 11:25:17 2025 |
Mary | Update | | point absorber and coated aperture in A# | Simulating how point absorber defects on
Advanced LIGO mirrors affect cavity performance
by modeling a 4km LIGO-like arm cavity with |
|
|
630
|
Tue Aug 12 13:49:24 2025 |
Mary | Update | | point absorber and coated aperture in A# | |
|
|
660
|
Thu Nov 13 12:39:01 2025 |
Mary | Update | Interferometer Simulations | | |
|
|
671
|
Thu Jan 22 13:12:29 2026 |
Mary | Update | | | |
|
|
681
|
Thu Feb 5 13:59:42 2026 |
Mary | Update | Interferometer Simulations | | |
|
|
684
|
Thu Feb 12 12:59:29 2026 |
Mary | Update | | | |
|
|
606
|
Tue Jul 8 11:46:55 2025 |
Maple Matzner | Update | TCS | Update on SURF progress for Jul 8 | |
|
|
617
|
Tue Jul 29 11:45:19 2025 |
Maple | Update | TCS | Meeting update | |
|
|
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 |
|
|
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 |
|
|
478
|
Wed Nov 27 12:27:45 2024 |
Luke | Summary | VAC | Summary of vacuum work | [Luke, Luis]
Update of current state of vacuum
chamber |
|
|
480
|
Wed Nov 27 16:23:58 2024 |
Luke | Update | VAC | Started bake | [Luke, Luis]
The
vacuum chamber is currently baking. |
|
|
483
|
Mon Dec 2 13:35:45 2024 |
Luke | Update | General | Clean and bake of Viton O-rings | [Luke, Luis]
We couldn't access the bake log on
the wiki. (see attached) So we looked in |
|
|
497
|
Wed Jan 8 17:35:57 2025 |
Luke | Summary | Cleanroom | Cleanroom cleaning | [Luke, Tyler, Cynthia, Shane, Michael]
Summary of Cleaning Activities:
We began cleaning Room 1119 at 2:00 |
|
|
500
|
Tue Jan 21 10:12:02 2025 |
Luke | Summary | General | Frosti toy model | [Luke, Liu]
Over the winter break I have been
working on this |
|
|
502
|
Sat Jan 25 18:19:39 2025 |
Luke | Update | General | Ringheater modeling Update | Here
is a quick update on some of the things I
have been working on regarding my project. |
|
|
507
|
Sat Feb 1 17:25:52 2025 |
Luke | Summary | General | Cleanroom cleaning | [Luke, Cece, Luis]
Particle Count Measurements:
Pre-cleaning (12:15 |
|