| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
546
|
Thu Apr 3 13:23:37 2025 |
shane | Update | CDS | UPS interfacing | Update on UPS serial interfacing: the driver
for the UPS webcard has been installed on
spica (for UPS1 in room 1119) and logrus |
|
|
545
|
Tue Apr 1 11:47:08 2025 |
Liu | Update | | | |
|
|
544
|
Mon Mar 31 15:41:56 2025 |
Xuesi Ma | Update | | | The result from AI Chassis bypass test
showed that the AI Chassis may be the problem.
There are no spikes from DAC's direct output. |
|
|
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 |
|
|
542
|
Tue Mar 25 12:56:47 2025 |
Tyler | Update | TCS | FROSTI Analysis Finalization | Upon final review of the FROSTI analysis
included in the (hopefully) soon-to-be submitted
instrument paper, I've made some adjustments |
|
|
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 |
|
|
540
|
Tue Mar 11 11:28:52 2025 |
Cynthia | Update | Interferometer Simulations | flattening mirror to study power discrepency | |
|
|
539
|
Tue Mar 11 10:43:57 2025 |
Xuesi Ma | Update | | | Continue investigation in the spikes
Pulsed ADC with a function generator
and find no spikes. Rules out ADC for causing |
|
|
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 |
|
|
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 |
|
|
535
|
Mon Mar 10 17:03:52 2025 |
Shane | Update | CDS | Pressure Gauge successful connect | Vac system serial interfacing update: the
pressure gauge is now able to communicate
successfully through the code. It's been |
|
|
534
|
Wed Mar 5 18:13:20 2025 |
Shane | Update | CDS | vac system comms |
[Shane, Jon]
Update on the serial interfacing with
the Inficon VGC503 pressure gauge: We began |
|
|
533
|
Wed Mar 5 12:16:28 2025 |
Shane | Update | CDS | Vac system communications update |
[Shane, Jon]
Update on the serial interfacing
with the vacuum system: both turbo pumps |
|
|
532
|
Tue Mar 4 10:47:03 2025 |
Shane | Update | CDS | Vac system pinouts | Attached here are the pinouts, as we currently
know them, for the vacuum system. The three
items focused on here are the Agilent TwissTorr |
|
|
531
|
Tue Mar 4 10:28:58 2025 |
Tyler | Update | TCS | RIN Plot Updates | |
|
|
530
|
Tue Mar 4 10:18:43 2025 |
Cynthia | Update | Interferometer Simulations | attempted to remove curvature and tilt for the coating | |
|
|
529
|
Tue Mar 4 03:33:18 2025 |
Xuesi Ma | Update | | Update | Spikes Appear Again, need to address it
systematically.
Power on and off before reaching |
6x |
|
528
|
Tue Mar 4 03:05:42 2025 |
Xuesi Ma | Update | ELOG | LOG | 1424564097.243212 2025/02/26 00:14:39 UTC Time
start
12V 2A right after start all 8 elements |
|
|
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. |
|