| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
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 |
|
|
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# | |
|
|
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 |
|
|
509
|
Fri Feb 7 12:25:56 2025 |
Luke | Summary | VAC | Started bake | [Luke, Luis]
The
vacuum chamber is currently baking. |
|
|
513
|
Sun Feb 16 16:45:18 2025 |
Luke | Update | General | Ringheater position optimization | Over the last couple weeks I have been
working on finding the optimal position of
the ringheater's thermal profile. |
|
|
517
|
Tue Feb 18 11:19:13 2025 |
Luke | Configuration | VAC | Repositioning of the lid's temperature probe | Before the recent bake I slightly repositioned
the temperature probe on the lid from beside
the heater tape to under the heater tape. |
|
|
520
|
Sun Feb 23 12:11:43 2025 |
Luke | Summary | Cleanroom | Cleanroom cleaning | [Luke, Mary, Luis]
Particle Count Measurements:
Pre-cleaning (8:40 |
|
|
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. |
|
|
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 |
|
|
574
|
Fri May 9 20:06:27 2025 |
Luke | Summary | Cleanroom | Cleanroom cleaning | [Luke, Mohak, Luis]
We were also able to remove the residue
that has built up on the soft walls by donning |
|
|
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. |
|
|
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 |
|
|
599
|
Wed Jun 25 15:44:47 2025 |
Luke | Update | Cleanroom | Cleanroom cleaning | [Luke, Luis, Tyler, Ma, Christina, Maple]
We started by cleaning outside of
the cleanroom wiping down the cable channel |
|
|
609
|
Mon Jul 14 20:45:20 2025 |
Luke | Summary | Cleanroom | HEPA filter performance metrics | [Luke, Luis]
We’ve been looking into methods
for evaluating the performance of the HEPA |
|
|
371
|
Fri May 31 19:37:47 2024 |
Luke | Update | | Vacuum chamber Disassembly | [Luke, Aiden, Jon, Michel, Tyler]
Work
done:
On Tuesday (5/28) we removed the RGA
line with minimal difficulty. On Wednesday |
|
|
378
|
Wed Jun 19 18:45:14 2024 |
Luke | Update | | Vacuum chamber reassembly | [Luke, Aiden, Mohak , Tyler]
On Tuesday
we had the silver screws for the spherical
cube shortened by a quarter of an inch so |
|
|
384
|
Tue Jun 25 17:19:42 2024 |
Luke | Update | VAC | Vacuum chamber leak checking | Currently our main leak is in the RGA line.
We found this by closing the gate valve from
the main volume to see if which side was |
|
|
386
|
Wed Jun 26 16:39:34 2024 |
Luke | Update | VAC | Vacuum chamber leak checking | On Tuesday I had isolated the main volume
and let it pump down over-night. Today, Wednesday,
I checked it and it had only gone down by |
|
|
390
|
Fri Jun 28 18:15:16 2024 |
Luke | Update | VAC | Vacuum chamber | We will be configuring the RGA line to
remove the spherical cube from the system.
Currently our plan for the new design is |
|
|
400
|
Wed Jul 10 17:31:07 2024 |
Luke | Update | VAC | RGA line disassembly and upgrade | [ Luke, Cynthia, Michael, Xuesi, Anthony
]
Started work around 12:45 |
|
|
401
|
Thu Jul 11 15:53:39 2024 |
Luke | Update | VAC | RGA line upgrade | [ Luke, Jon ]
Started work at 11:00
As mentioned in my previous post |
|
|
403
|
Sat Jul 13 15:09:04 2024 |
Luke | Update | General | Ring heater COMSL model update | After the feedback from last meeting and
Liu's help narrowing down what I should do
to improve the model. I made some changes: |
|
|
411
|
Mon Jul 22 18:19:34 2024 |
Luke | Update | VAC | Zero length reducer stuck bolts | Today, I borrowed a bolt extractor drill
bit from the machine shop to remove some
stuck bolts from the zlr. Before starting, |
|
|
427
|
Fri Aug 23 16:08:32 2024 |
Luke | Update | VAC | RGA line leak testing | [Luke, Luis, Jon, Tyler]
On the 22nd Dr. Richardson showed
Luis, Tyler and I how to preform a leak test |
|
|
429
|
Tue Aug 27 15:01:26 2024 |
Luke | Update | VAC | RGA line leak testing | [Luke, Tyler]
On the 27th Tyler and I ran the RGA
leak test again with the electron multiplier |
|