ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
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 |
|
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 |
|
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 |
|
293
|
Sun Dec 17 19:43:18 2023 |
Aiden | Update | VAC | Vac Heating Update | [Aiden]
I measured the temperature of
the flanges where some of the electronics
will go and I found that the RGA flange was |
|
242
|
Mon Oct 23 07:28:57 2023 |
Peter | Update | VLC Update | VLC Mode Matching | I have attached a pdf with slides of my latest
updates. |
|
256
|
Mon Nov 6 11:31:25 2023 |
Peter | Update | VLC Update | VLC Mode Matching | See Update Attached |
|
263
|
Mon Nov 13 06:15:45 2023 |
Peter | Update | VLC Update | VLC Mode Matching | Weekly Updates Attached in pdf |
|
221
|
Thu Sep 7 19:24:25 2023 |
Peter | Update | VLC Update | VLC Launch Chain | The launch optics up to the Faraday Isolator
have been added to the breadboard. In the
first image, the optics are (from L to R) |
 |
234
|
Mon Oct 9 11:06:17 2023 |
Peter | Update | VLC Update | VLC Launch Chain | Implemented the new stage for the EOM. Took
power data at different positions in the
launch chain. Beam waist: 0.066mm (beam waist |
   |
304
|
Tue Jan 16 10:01:21 2024 |
Peter | Update | VLC Update | VLC Faraday Isolator and Mode Matching | Attached is a PDF of my weekly updates. |
|
288
|
Fri Dec 8 11:15:21 2023 |
Peter | Update | VLC Update | VLC Assembly | The optics of the visible light cavity have
been assembled. The mode matching telescope
is folded through the two stirring mirrors |
   |
360
|
Mon Apr 15 11:51:03 2024 |
Peter | Update | VLC Update | VLC | An update on the VLC project is attached below: |
|
368
|
Mon May 13 14:53:29 2024 |
Peter | Update | VLC Update | VLC | VLC Update WEEK 7 attached below |
|
301
|
Tue Jan 9 16:35:09 2024 |
Aiden | Update | VAC | VAC System Leak and Heating | [Luis, Luke, Aiden]
Leak tested each
flange and weld and only found two flanges
to have noticeable leaks with the electron |
|
150
|
Fri Jul 7 15:11:39 2023 |
Aiden | Update | VAC | VAC System Heating Update |
The temperature of the flange connecting
to the turbo pump after reaching equilibrium
is 74 degC. This means that it is safe to |
|
152
|
Mon Jul 10 13:23:23 2023 |
Aiden | Update | VAC | VAC System Heating Update |
Checked on the system today.
The
flange on the turbo pump has reached an equilibrium
temperature of 87 degC when set at 150 degC. |
|
153
|
Thu Jul 13 14:56:43 2023 |
Aiden | Update | VAC | VAC System Heating Update |
Checked on the vacuum system today to
change the PID controls back to their default
values in order to try and get the temperature |
|
156
|
Fri Jul 14 14:37:25 2023 |
Aiden | Update | VAC | VAC System Heating Update |
Checked on the vacuum system and it looks
like it will either need to be increased
in temperature or baked for a longer time. |
|
160
|
Mon Jul 17 13:50:41 2023 |
Aiden | Update | VAC | VAC System Heating Update |
Started to cool down the chamber today.
Final temperature readings of the chamber
were 146C and 91C for the body and cross |
|
161
|
Mon Jul 17 14:01:41 2023 |
Aiden | Update | VAC | VAC System Heating Update |
The insulation on the lid of the vacuum
chamber has some discoloration and it may
be wise to place a sensor closer to this |
|
188
|
Wed Aug 2 17:02:38 2023 |
Aiden | Update | VAC | VAC System Heating Update |
Moved the temperature sensor on the PID
controller to one of the switch backs on
the lid.
Also started the next |
|
189
|
Thu Aug 3 16:00:25 2023 |
Aiden | Update | VAC | VAC System Heating Update | Check on the temperature of the bake today
to see the equilibrium temperatures. With
both of the PID controllers set to 150 C, |
|
192
|
Fri Aug 4 15:21:33 2023 |
Aiden | Update | VAC | VAC System Heating Update | Checked on Bake 3 today and the temperature
sensors read 126 C and 91 C for the chamber
barrel and turbo pump flange respectively. |
|
201
|
Thu Aug 10 14:36:00 2023 |
Aiden | Update | VAC | VAC System Heating Update | Came in to install one of the Full range gauges.
Checked the temperature first of the cross
and it was reading 30 C. After installing |
|
202
|
Thu Aug 10 15:10:12 2023 |
Jon | Update | VAC | VAC System Heating Update | I shut down the turbo pump since this is evidently
a large leak. We CANNOT turn on the RGA for
leak checking with the pressure above 1E-5 |
|
203
|
Thu Aug 10 18:32:39 2023 |
Aiden | Update | VAC | VAC System Heating Update |
[Dr. Richardson, Aiden]
DO NOT TOUCH ANY VALVES ON THE
CHAMBER. THERE IS A PRESSURE DIFFERENTIAL |
|
205
|
Fri Aug 11 18:32:00 2023 |
Aiden | Update | VAC | VAC System Heating Update |
[Dr. Richardson, Aiden] Large Update
Removed
most of the insulation on the chamber in
order to pull back some of the heater tape |
11x |
219
|
Fri Sep 1 19:21:19 2023 |
Aiden | Update | VAC | VAC System Heating Update | Started bake 5 today. This will hopefully
be a longer and hotter bake with it lasting
6-7 days at around 150 C. The pressure in |
|
220
|
Tue Sep 5 16:43:19 2023 |
Aiden | Update | General | VAC System Heating Update | Checked on bake 5 today after 3 days of equilibrium.
The RGA cross is at 106 C and the turbo pump
cross is at 74 C. This was reached while |
|
222
|
Fri Sep 8 16:10:43 2023 |
Aiden | Update | VAC | VAC System Heating Update | Turned off the PID controllers to let the
chamber cool down. Final temperatures for
the RGA cross and Turbo pump cross were 113 |
|
223
|
Mon Sep 11 16:02:42 2023 |
Aiden | Update | VAC | VAC System Heating Update | The chamber has cooled down from bake 5 and
I took the first set of data. The pressure
measured during the RGA measurements reached |
 |
251
|
Tue Oct 31 19:46:35 2023 |
Aiden | Update | VAC | VAC System Heating Update | Started bake 7 on Monday but found issues
with the heating as the cross in front of
the RGA got way too hot too quickly. This |
 |
253
|
Wed Nov 1 20:22:07 2023 |
Aiden | Update | VAC | VAC System Heating Update | Raised the PID controller temperature to 105C
today as at that temperature the lid and
the barrel temperature sensors were reading |
|
280
|
Wed Nov 29 21:13:32 2023 |
Aiden | Update | VAC | VAC System Heating Update | Started Bake 8 today. Set the PID controllers
to 120 C and will check in the morning for
equilibrium temperatures for the lid and |
|
282
|
Thu Nov 30 13:58:18 2023 |
Aiden | Update | VAC | VAC System Heating Update | [Aiden]
Came into the lab in the morning
to check on the chamber heating. I decided
to set the PID controllers to 110C rather |
|
283
|
Sat Dec 2 18:10:23 2023 |
Aiden | Update | VAC | VAC System Heating Update | [Aiden]
Turned off the heating tape
today in anticipation to take more RGA data
on Sunday or Monday morning before the meeting. |
|
295
|
Mon Dec 18 15:51:49 2023 |
Aiden | Update | VAC | VAC System Heating Update | After letting the chamber cool down I put
the electronics back on and turned the RGA
element back on. No data has been taken yet |
|
190
|
Thu Aug 3 17:47:51 2023 |
Aiden | Update | VAC | VAC Heating System Update |
Did some further testing to determine
if it was within reason to increase the temperature
of the chamber. I used a thermometer and |
|
195
|
Tue Aug 8 15:31:26 2023 |
Aiden | Update | VAC | VAC Heating System Update |
Vacuum Chamber equilibrium temperature
for bake 3 are 126 C and 88 C for the chamber
wall and turbo pump flange respectively. |
10x |
208
|
Tue Aug 15 16:04:23 2023 |
Aiden | Update | VAC | VAC Heating System Update |
Pulled off the rest of the heater tape
along with the aluminum tape left behind.
The aluminum tape adhesive left behind a |
6x |
212
|
Thu Aug 17 15:02:44 2023 |
Aiden | Update | VAC | VAC Heating System Update |
Put the heating tape back on and made
sure to have 4 coils around the barrel of
the chamber. To make this happen I did not |
11x |
213
|
Thu Aug 17 15:18:48 2023 |
Aiden | Update | VAC | VAC Heating System Update | Relocated the PID controllers so that the
heating tape could be plugged in. In the
picture the left one controls the top half |
|
308
|
Thu Jan 18 15:13:37 2024 |
Aiden | Update | VAC | VAC Heating System Update | [Aiden]
Took more data today and the
chamber and elements are showing an even
lower HC level than we have gotten before. |
 |
325
|
Tue Feb 13 12:34:04 2024 |
Aiden | Update | VAC | VAC Heating System Update | Here is an overlay with for all the heating
steps done with the heater elements. |
|
269
|
Thu Nov 16 19:32:31 2023 |
Aiden | Update | VAC | VAC HC Levels Update | Took some more RGA data today and overlaid
it with data taken from October 19. I added
a red line that symbolizes where all amu |
 |
140
|
Fri Jun 30 16:43:14 2023 |
Pamella | Update | FLIR | Updates: Small moving the FLIR camera | [Pamella]
Today, I was able to
make some adjustments to the FLIR camera
angle, suggested by Dr. Richardson, and |
    |
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 |
|
453
|
Wed Oct 2 12:20:43 2024 |
Tyler | Update | TCS | Updated FROSTI Analysis 10/02/2024 | Attached below are updates on current FROSTI
prototype analysis. |
|
414
|
Mon Jul 29 12:20:56 2024 |
Liu | Update | Interferometer Simulations | Update on wavefront actuation with astigmatically driven RH for CE | Update on wavefront actuation with astigmatically
driven RH for CE is attached. |
|
425
|
Fri Aug 16 12:51:46 2024 |
Luis Martin | Update | VAC | Update on vacuum chamber status | [Luis, Luke, Tyler]
Vacuum chamber parts were finally
received and assembled. After whipping down |
   |