| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
468
|
Tue Nov 5 11:08:40 2024 |
Luis Martin | Update | VAC | ISO Test |
[Luis, Luke, Ma Michael]
The isolation test
was conducted on the vacuum system. Every |
|
|
6
|
Tue Jun 21 18:31:49 2022 |
Cassidy and Phoebe | Update | Cameras | IR Absorbing Screen and FLIR Camera Setup | Today we set up the IR absorbing screen and
the camera on the optical table, as well
as tested that the camera was functioning |
|
|
60
|
Mon Apr 3 17:04:05 2023 |
Aiden | Summary | General | IDP Scroll Pump Assembly | Aiden installed the isolation valve and the
exhaust silencer kits on the IDP-3 Scroll
pump. The entire assembly still needs to |
|
|
1
|
Sun Apr 10 15:39:49 2022 |
Rutuja Gurav | HowTo | Computer Scripts/Programs | HowTo: Renew the Let's Encrypt SSL certificate using certbot | Port 80 is kept closed by default. This
might be causing the certbot auto-renewal
cronjob to fail. Therefore we must renew |
|
|
98
|
Sun May 14 15:50:48 2023 |
Cao | Infrastructure | Computers | High resolution display of logrus machine | [Cao]
The display resolution of the
logrus has been 1064x768 and has been the
only option, which is not great. While remote |
|
|
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 |
|
|
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 |
|
|
124
|
Wed Jun 14 15:35:36 2023 |
Pamella | Update | VAC | Heating system installation | [Pamella and Cao]
Heating system
installation - Second day.
Today we kept installing the equipment |
|
|
433
|
Tue Sep 3 15:52:56 2024 |
Luke | Update | VAC | Heater tape initilization | [Luke, Tyler, Jon]
On the 3rd we set up the pid controllers
for the heater tapes and after putting on |
|
|
119
|
Mon Jun 12 18:52:00 2023 |
Pamella | Update | General | Heater system parts - Wiped and bagged | [Pamella]
Cleaning the heater system
parts.
04:32 pm: Started wiping the
heater system parts.
06:38 pm: |
|
|
128
|
Tue Jun 20 17:28:23 2023 |
Pamella | Update | Electronics | Heater system parts - Wiped | [Pamella]
Heating system
Wiping the heater system parts.
04:37 pm: Started wiping the electronic |
|
|
122
|
Tue Jun 13 21:08:46 2023 |
Pamella | Infrastructure | VAC | Heater system - Installation | [Pamella, Cao and Jon]
Heating system
installation
Today we
started installing the equipments for the |
|
|
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 |
|
|
316
|
Mon Feb 5 14:17:52 2024 |
Aiden | Update | VAC | Heater Element RGA Scan | Here are the new RGA scans for the powered
Heater elements. The pressure at the time
of taking data was 2.88 e-8 torr. The HC |
|
|
319
|
Thu Feb 8 17:37:48 2024 |
Aiden | Update | VAC | Heater Element RGA Scan | Took more RGA data now that the heaters are
powered by 18V. The pressure of the system
during the data taking was 3.8 e-8 torr. |
|
|
320
|
Mon Feb 12 17:35:47 2024 |
Aiden | Update | VAC | Heater Element RGA Scan | Took more RGA data before and after increasing
the heater elements to 300 degC and before
heating them up.
|
|
|
328
|
Mon Feb 19 14:17:50 2024 |
Aiden | Update | VAC | Heater Element RGA Scan | Three days after the completion of Bake 11,
the Heater elements RGA scan looks much cleaner.
The HC level is back down to 33 e-10 torrl/s |
|
|
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 */
|
|
|
7
|
Mon Jul 11 14:29:45 2022 |
Jon | Omnistructure | General | HEPA filter installed | Today I unpacked and installed the new HEPA
filter for the lab. It is an Omni CleanAir
OCA1210 capable of 1200 CFM. This flow rate |
|
|
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 |
|
|
451
|
Wed Oct 2 10:31:46 2024 |
Xuesi Ma | Configuration | | Group Meeting Slides 10/2/2024 |
Group Meeting slides for Non-deterministic
Heater Response.
|
|
|
82
|
Thu Apr 27 21:43:07 2023 |
Jon | Physics | VAC | Grounding vacuum system | This afternoon I made up a green 10 AWG
grounding cable and connected it to the vacuum
system. |
|
|
84
|
Fri Apr 28 18:16:57 2023 |
Cao | Physics | VAC | Grounding vacuum system |
|
|
|
187
|
Tue Aug 1 16:22:35 2023 |
Celeste | Update | TCS | Graphical Updates to HOM RH Modification, Tuesday 8/1 | Slides 20-33 are newly added (data/graphs
from parameter sweep feature-1/8th heater
unit length varied from 10% of original to |
|
|
180
|
Fri Jul 28 17:45:45 2023 |
Celeste | Update | TCS | Graphical Updates to HOM RH Modification, Friday 7/28 | Updated 1/8th Heater simulation modification
graphs. Slides 7, 10, 16-19 are new additions. |
|
|
173
|
Thu Jul 27 10:18:43 2023 |
Celeste | Update | TCS | Graphical Updates to HOM RH Modification | Attached are updated graphs of the irradiance
distribution from the 1/8th ring heater units
(extruded and reduced in length). |
|
|
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 |
|
|
331
|
Tue Feb 20 11:31:49 2024 |
Tyler | Update | Cleanroom | Garment Cabinet Door Replacement | [Luis, Luke, Pooyan, Tyler]
The replacement
door for the HEPA garment cabinet arrived
last week, and was installed on Thursday. |
|
|
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 |
|
|
389
|
Fri Jun 28 10:43:13 2024 |
Xuejun | Update | Cleanroom | Frosti | [Xuejun, Tyler]
We moved Frosti into
the cleanroom and debugged it to make sure
everything was working. One of the DB25 pins |
|
|
393
|
Fri Jul 5 13:17:44 2024 |
Liu | Update | Interferometer Simulations | Four-quadrant FROSTI-like RH for astigmatic thermal actuation for CE optics | In the CE corner layout design and down selection
study, interferometer layouts with large
incidence angles on some of the curved optics |
7x |
|
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 |
|
|
90
|
Tue May 2 17:03:14 2023 |
Jon, Cao | Physics | VAC | First pump-down test of vacuum chamber | [Jon, Cao]
1. Re-routing of cables
|
|
|
554
|
Tue Apr 15 11:37:17 2025 |
Cynthia | Update | Interferometer Simulations | Finishing up mirror coating map step | |
|
|
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." |
|
|
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:
|
|
|
460
|
Wed Oct 16 14:13:31 2024 |
Liu | Update | | FROSTI with non uniform absorption scattering sources | Slides |
|
|
347
|
Wed Mar 6 09:57:52 2024 |
Tyler | Update | TCS | FROSTI Wiring | Upon finishing the FROSTI assembly last
week, we ran into some electrical issues.
An electrical short was found between two |
|
|
600
|
Fri Jun 27 15:38:22 2025 |
Christina | Update | TCS | FROSTI Reconstruction | [Tyler, Ma, Christina, Luke]
We threaded the wiring of the
heater elements through the reflective surfaces |
|
|
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 |
|
|
352
|
Sun Mar 24 11:49:27 2024 |
Aiden | Update | General | FROSTI RGA Scan | Took RGA data 1 day after the conclusion of
Bake 13. Bake 13 ended on Saturday March
23, the RGA data shown was taken on Sunday |
|
|
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 |
|
|
350
|
Tue Mar 19 15:22:27 2024 |
Aiden | Update | Clean & Bake | FROSTI Legs Clean and Bake | [Aiden, Luke]
Cleaned and baked the
Cal Tech FROSTI legs and showed Luke the
procedure on how to clean parts. |
|
|
455
|
Wed Oct 2 14:49:59 2024 |
Liu | Update | | FROSTI ETM actuation | Proposed FROSTI ETM actuation on the HOM7
resonance.
Animation |
|
|
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. |
|
|
291
|
Mon Dec 11 16:20:17 2023 |
Jon | Summary | TCS | FROSTI Assembly Procedure | Below is the procedure we will follow to
assemble the FROSTI prototype.
Install SS guide rods and |
|
|
345
|
Wed Feb 28 17:49:18 2024 |
Tyler | Update | TCS | FROSTI Assembly - Days 2-3 | [Aiden, Jon, Luis, Luke, Michael, Tyler]
FROSTI
assembly was completed today. The RTD and
power wires were terminated at the DB-25 |
|
|
341
|
Mon Feb 26 21:23:27 2024 |
Jon | Update | TCS | FROSTI Assembly - Day 1 | [Jon, Tyler, Luis, Luke, Mohak, Cynthia, Michael,
Aiden]
FROSTI assembly began today. After
a final set of RGA scans were taken, the |
7x |
|
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 |
|
|
118
|
Mon Jun 12 12:15:10 2023 |
Pamella | Update | FLIR | FLIR- Take data in the closest point. | [Pamella]
Used the closest point
possible for the reflector in front of the
FLIR camera.
11:32 am : Turned |
|