ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
527
|
Thu Feb 27 18:22:21 2025 |
Shane | Update | CDS | Ongoing work in server rack and desk area (1119) | As part of the vacuum communications debugging
process, there is ongoing work in the server
rack and desk area in 1119. Please be careful |
|
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 |
|
525
|
Tue Feb 25 10:02:32 2025 |
Xuesi Ma | Update | | | 1424039912.625576 2025/02/19 22:38:14 UTC Time
start
24V 2.8A right after start all 8 |
   |
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 |
|
522
|
Mon Feb 24 17:50:13 2025 |
Luis | Update | VAC | RGA Scan | [Ma, Luis]
February 24, 2025 - 1:00PM
Ma performed an RGA scan with |
|
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. |
 |
520
|
Sun Feb 23 12:11:43 2025 |
Luke | Summary | Cleanroom | Cleanroom cleaning | [Luke, Mary, Luis]
Particle Count Measurements:
Pre-cleaning (8:40 |
|
519
|
Thu Feb 20 17:07:36 2025 |
Luis | Update | VAC | RGA Scan | [Ma, Luis]
February 20, 2025 - 3:30
PM |
|
518
|
Wed Feb 19 13:44:48 2025 |
Shane | Update | CDS | Vac serial interfacing update |
[Jon, Shane]
Debugging update for vac system serial
communications: we were able to successfully |
|
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. |
|
516
|
Tue Feb 18 10:12:39 2025 |
Tyler | Update | TCS | Final RIN Plot Update |
Below is a preview of the final RIN figure
that will be included in the FROSTI instrument
paper. A quick summary of what is shown below:
|
   |
515
|
Tue Feb 18 10:02:16 2025 |
Xuesi Ma | Update | | Group Meeting Slides 2/18/2025 | https://docs.google.com/presentation/d/1WiV2VqS0BzXNCK6VYYQ-Ty8xlHnzXatQaFbMf1-0rsY/edit?usp=sharing |
|
514
|
Tue Feb 18 10:01:07 2025 |
Xuesi Ma | Update | | | [Ma, Pooyan, Tyler]
On Friday, we connected the vacuum
chamber with the Cymac. |
  |
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. |
   |
512
|
Fri Feb 14 12:15:23 2025 |
Luis | Update | VAC | Vacuum sytem staus |
[Luis, Luke, Ma]
February 12, 2025 - 4:00
PM |
 |
511
|
Fri Feb 14 11:57:50 2025 |
Luis | Update | VAC | Vacuum Update | [Luis]
Feb/11/25 9:30am
Pressure gages were connected. |
|
510
|
Tue Feb 11 08:07:02 2025 |
Luis | Update | VAC | Bake stopped | [Luis, Ma]
Feb/10/25 4:00pm
Bake was stopped. |
|
509
|
Fri Feb 7 12:25:56 2025 |
Luke | Summary | VAC | Started bake | [Luke, Luis]
The
vacuum chamber is currently baking. |
|
508
|
Mon Feb 3 13:17:21 2025 |
Xuesi Ma | Update | | | [Ma]
changed all zip ties to peek zip
ties, and grouped wires together. The setup |
 |
507
|
Sat Feb 1 17:25:52 2025 |
Luke | Summary | General | Cleanroom cleaning | [Luke, Cece, Luis]
Particle Count Measurements:
Pre-cleaning (12:15 |
|
506
|
Fri Jan 31 15:03:09 2025 |
Xuesi Ma | Update | | Heater Element Circuit Check |
table {
width:
100%;
border-collapse: collapse;
/* Merges borders into a single line */
|
|
505
|
Tue Jan 28 13:30:46 2025 |
shane | Update | CDS | Serial comms testing update | Attempted to communicate with the smaller
vac pump (TwissTor 74) via Agilent software
today. Was able to communicate with the pump |
|
504
|
Mon Jan 27 23:35:28 2025 |
Xuesi Ma | Update | | | [Ma]
Installed all the pins to the peek
DB 25 connectors |
  |
503
|
Mon Jan 27 11:29:38 2025 |
Xuesi Ma | Update | | Heater Element Test | [Ma, Cece, Luke, Mary, Shane]
On Friday (Jan 24), we installed
the heater elements on the stand. The heater |
  |
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. |
|
501
|
Wed Jan 22 10:50:08 2025 |
Tyler | Update | TCS | FROSTI Disassembly | [Tyler, Ma, Cece, Luis, Shane, Luke, Cynthia,
Liu, Jon]
On Tuesday (Jan 21), we took
the FROSTI apart in front of a filming crew. |
   |
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 |
|
499
|
Fri Jan 17 13:27:07 2025 |
Tyler | Update | TCS | FROSTI Pre-disassembly | [Tyler, Ma, Cece, Jon, Luke, Cynthia, Michael]
On
Tuesday, we prepared the FROSTI for disassembly
in anticipation of the APS filming that is |
 |
498
|
Tue Jan 14 10:27:14 2025 |
Tyler | Update | TCS | RIN Updates | [Tyler]
Attached below are updated
plots for the FROSTI RIN measurements for
Jan 14 group meeting.
|
|
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 |
|
496
|
Thu Jan 2 17:52:58 2025 |
Luis | Update | VAC | MR Testing Continuation | [Luis, Luke]
RGA Volume:
T = 22°C, P = 2.10e-9 Torr
Main Volume: |
  |
495
|
Mon Dec 23 14:33:36 2024 |
Tyler | Update | TCS | Latest RIN Measurement Results | Attached below are the measurements I took
from the FROSTI from 12/18-12/22. |
   |
494
|
Sun Dec 22 20:43:35 2024 |
Luis | Update | VAC | MR Testing | [Luis, Luke]
RGA Volume:
T = 23°C, P = 3.0e-9 Torr
Main Volume: |
 |
493
|
Thu Dec 19 12:00:44 2024 |
Luke | Update | VAC | End of bake | The
vacuum chamber has stopped baking.
Current state as of 11:40, 12/19/2024: |
|
492
|
Wed Dec 18 15:41:56 2024 |
Tyler | Update | TCS | FROSTI RIN | [Tyler]
I have begun the (hopefully)
final RIN measurements at 3:30 PM today.
If you need to go into the cleanroom at any |
|
491
|
Tue Dec 17 13:53:53 2024 |
Luis | Update | VAC | Vacuum system status | [Luis]
The vacuum system is being
baked. I disconnected the digital gages and
the magnets, opened the Ar leak and started |
|
490
|
Mon Dec 16 21:32:21 2024 |
Luis | Update | VAC | MR Testing | [Luis, Luke]
The MR material was
placed in the vacuum chamber following standard
procedures to ensure the vacuum remained |
|
489
|
Sat Dec 14 07:58:25 2024 |
Luis | Update | VAC | Vacuum sytem staus and Viton O-rings | [Luis]
RGA Volume:
T = 23°C, P = 1.71e-9 Torr
Main Volume: |
|
488
|
Thu Dec 12 13:06:39 2024 |
Luis | Update | VAC | RGA Scan and vacuum system updates | [Luis, Luke]
RGA Volume:
T = 21°C, P = 1.74e-9 Torr |
 |
487
|
Wed Dec 11 16:06:05 2024 |
Luis | Update | VAC | RGA Status | [Luis]
I rebooted Spica and I
was able to connect the RGA again. After
Connecting the RGA, I left the filament on. |
|
486
|
Wed Dec 11 13:39:30 2024 |
Tyler | Update | Electronics | RIN Update 12/11/2024 | [Tyler]
Attached below are updated
ASD plots for the FROSTI RIN measurements.
The parameters set for this are the following: |
|
485
|
Thu Dec 5 10:31:13 2024 |
Luis | Update | VAC | RGA Scan and RGA updates |
|
|
484
|
Wed Dec 4 16:01:23 2024 |
Shane | Update | CDS | Vac serial interfacing troubleshooting update | Update on the issue with serial interfacing
for the TV 551 turbo pump: Tried a new test
today, to see if the commands being sent |
|
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 |
|
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, |
|
481
|
Sat Nov 30 12:41:42 2024 |
Luke | Update | VAC | Vacuum bake end | The
vacuum chamber has stopped bakeing.
Current state as of 12:10, 11/30/2024: |
|
480
|
Wed Nov 27 16:23:58 2024 |
Luke | Update | VAC | Started bake | [Luke, Luis]
The
vacuum chamber is currently baking. |
|
479
|
Wed Nov 27 13:48:01 2024 |
Tyler | Update | Electronics | RIN Update | [Tyler]
I downgraded the Red Pitaya
back to OS 2.00-18 due to runtime errors
during measurement. Once I did this, the |
|
478
|
Wed Nov 27 12:27:45 2024 |
Luke | Summary | VAC | Summary of vacuum work | [Luke, Luis]
Update of current state of vacuum
chamber |
|
477
|
Wed Nov 20 12:59:37 2024 |
Tyler | Update | Electronics | RIN Update | I went ahead and compared the noise spectrum
of the ADC to those of the photodetectors
with the FROSTI on and off. As discussed |
|