ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
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 |
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
|
 |
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 |
|
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 |
|
112
|
Wed May 31 16:55:55 2023 |
Pamella | Update | FLIR | FLIR- Focus distance | [Pamella and Tyler]
We changed
the FLIR Focus Distance for around 0.55 m.
Note:
The old focus distance was 1.3 m.
We |
 |
117
|
Thu Jun 8 14:51:58 2023 |
Pamella | Update | FLIR | FLIR- Distance | [Pamella, Tyler]
Today we change
the distance between the FLIR camera and
reflector (3D-Mask with mirrors and light). |
 |
106
|
Wed May 24 14:06:27 2023 |
Pamella | Update | FLIR | FLIR project - Tests | [Pamella]
Initial tests
10:30 am : Started trying take some test
with the new position/configuration between |
  |
113
|
Thu Jun 1 14:41:36 2023 |
Pamella | Update | FLIR | FLIR project - Test without the black wall. | [Pamella]
Test without the black
wall.
General test:.
11:15 am : Started running the code. Parameters: |
  |
114
|
Fri Jun 2 14:28:40 2023 |
Pamella | Update | FLIR | FLIR project - Test without the black wall. | [Pamella]
Test without the black
wall.
Note: So today i collected
data for some positions in axis Y (height) |
|
105
|
Tue May 23 16:52:56 2023 |
Pamella | Update | FLIR | FLIR project - Reinstalling the mask and Reconfiguration FLIR position. | [Pamella]
Reinstalling the mask
and Reconfiguration FLIR position.
Today i change the aluminum foil inside the |
 |
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 |
   |
104
|
Mon May 22 17:08:50 2023 |
Pamella | Update | FLIR | FLIR project - Installing the mask. | [Pamella]
The new mask
for the reflector.
1:40
pm: Started reconfiguration on the FLIR camera |
  |
58
|
Wed Mar 29 16:00:36 2023 |
Pamella | Update | Cameras | FLIR project |
Today Pamella and Tyler started work in
the updates for the FLIR project.
We trie
for the first time cover the mirrors with |
|
73
|
Wed Apr 19 17:39:50 2023 |
Pamella | Update | FLIR | FLIR project |
FLIR project updates- Initial tests
10:00: Starting test
in position 2 cm to the black wall.
|
  |
143
|
Mon Jul 3 18:38:13 2023 |
Pamella | Update | FLIR | FLIR project | [Pamella]
I was able to work
on the python code to do analysis on the
FLIR-Reflector data.
I could plot |
   |
442
|
Mon Sep 16 14:59:51 2024 |
Tyler | Update | TCS | FLIR RIN Update 09/16 |
Below is the dark noise spectrum of the
Red Pitaya, which was measured over the course
of a weekend. Additionally, I have successfully |
|
3
|
Thu Jun 2 21:55:02 2022 |
Jon | Update | Cameras | FLIR Camera Setup | The new FLIR A70 infrared camera has arrived.
Tyler and I unpacked it in the lab yesterday.
In less than an hour, we succeeded in powering |
 |
4
|
Fri Jun 3 13:03:33 2022 |
Jon | Update | Cameras | FLIR Camera Setup | Summary
I have installed the
requisite software on chimay for interfacing
the FLIR A70 camera in Python. There are |
|
5
|
Mon Jun 6 17:11:48 2022 |
Jon | Update | Cameras | FLIR Camera Setup | Today I tested the Spinnaker/PySpin software
installations (detailed in ELOG
#4) with the FLIR camera connected to |
 |
243
|
Mon Oct 23 11:28:05 2023 |
Tyler | Update | Cameras | FLIR Camera Code Updates | The past week I've been spending time going
through the FLIR code on gitlab. Initially,
it had appeared that our measurements with |
|
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 |
    |
127
|
Mon Jun 19 11:20:57 2023 |
Pamella | Update | FLIR | FLIR - Fixed some problems | [Pamella]
08:59 am: Turned
on the electronic device (current on) for
started taking data.
09:37 |
|
125
|
Fri Jun 16 16:17:13 2023 |
Pamella | Update | FLIR | FLIR - Change the position | [Pamella]
Today I change the distance
between the FLIR camera and reflector (3D-Mask
with mirrors and light). Now the distance |
|
53
|
Wed Mar 22 12:16:20 2023 |
Jon | Infrastructure | Cleanroom | Experimenting with HEPA fan speeds | Jon, Cao
In effort to try to reduce the noise
level inside the cleanroom, we have dialed |
|
395
|
Fri Jul 5 14:23:13 2024 |
Liu | Update | Interferometer Simulations | Engineering drawings for straight edge heater element designs for FROSTI | Step files and engineering drawings for the
straight edge heater element designs have
been created in COMSOL and SolidWorks. They |
|
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: |
|
289
|
Sat Dec 9 12:34:12 2023 |
Jon | Update | General | Electronics workshop migrated to 1129 | [Jon, Tyler, Shane, Luis]
On Wednesday we completed the migration
of the electronics workshop from 1119 to |
 |
217
|
Tue Aug 29 22:07:38 2023 |
Aiden | Update | General | Electronic Bench | Dr Richardson is working on mounting more
power supplies in the server rack and is
using the electronics bench. Be aware to |
|
447
|
Mon Sep 23 15:11:21 2024 |
Tyler | Update | Scripts/Programs | Effective Emissivity Analysis and RIN Update | A quick update on the effective emissivity
analysis for the CIT FROSTI testing:
I was able to (roughly) match |
   |
404
|
Mon Jul 15 09:36:44 2024 |
Liu | Update | Interferometer Simulations | ETM Profile Optimization for FROSTI | This is to optimize the FROSTI heating
profile for ETM, by minimizing the residual
RMSE of the HR surface deformation after |
|
332
|
Tue Feb 20 18:08:24 2024 |
Aiden | Update | General | Degassing the RGA | I took an RGA measurement before and after
degassing the RGA. Both data was taken with
the Argon open. The pressure before taking |
 |
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 |
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 |
    |
139
|
Fri Jun 30 15:57:28 2023 |
Pamella | Update | FLIR | Data and python code update |
[Pamella]
Updates: Problems
with the emission intensity and python code.
Yesterday I was working on get |
   |