| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
144
|
Tue Jul 4 15:35:38 2023 |
Pamella | Update | FLIR | FLIR - reflexion problem | [Pamella]
I was testing all the positions
we need to cover when moving the FLIR camera
or the reflector. I tried to find out more |
|
|
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." |
|
|
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 |
|
|
695
|
Thu Apr 2 12:23:40 2026 |
Michael | Update | Interferometer Simulations | Update Plots and Squeezing Behavior With Toroidal Mirrors | |
|
|
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 | | | |
|
|
700
|
Thu Apr 16 14:04:46 2026 |
Mary | Update | Interferometer Simulations | Beam position optimization algorithm | |
|
|
705
|
Thu Apr 30 12:08:02 2026 |
Mary | Update | VAC | New Vacuum design | https://autode.sk/3QFUGF8 |
|
|
706
|
Thu Apr 30 12:52:26 2026 |
Mary | Update | Interferometer Simulations | Full interferometer simulation | |
|
|
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 | |
|