| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
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 |
|
|
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 |
|
|
357
|
Sun Apr 7 13:42:51 2024 |
Michael | Update | Interferometer Simulations | Update on status of gtrace project | [Pooyan, Michael]
After meeting and
discussing the current state of our work
with Prof. Fulda a few weeks ago, we have |
|
|
415
|
Mon Jul 29 12:23:10 2024 |
Liu | Update | Interferometer Simulations | Update on mechanical resonances of CE BS with stiffener ring | Update on mechanical resonances of CE BS with
stiffener ring is attached. |
|
|
Draft
|
Sun Aug 4 09:01:01 2024 |
Michael | Update | Interferometer Simulations | Update on SRC Mode Mismatch Analysis | An update on my analysis to minimize mode
mismatch/scattering by introducing toroidal
mirrors to the SRC. |
|
|
174
|
Thu Jul 27 11:28:36 2023 |
Sophia | Update | Scripts/Programs | Update on Laser Noise Data Collection and Analysis: Dynamic CSD and PSD Plots | This week I have successfully been able to
implement our dynamic CSD and PSD plotting
code, but along the way I encountered a few |
|
|
175
|
Thu Jul 27 14:11:42 2023 |
Sophia | Update | Scripts/Programs | Update on Laser Noise Data Collection and Analysis: Dynamic CSD and PSD Plots | Here's a screen recording of the dynamic raw
data and PSD/CSD plots as they are now. Will
begin working on implementing a code to generate |
|
|
183
|
Mon Jul 31 19:27:30 2023 |
Sophia | Update | Scripts/Programs | Update on Laser Noise Data Collection and Analysis: Dynamic CSD and PSD Plots | An update on the CSD/PSD code:
The code
is now taking a dynamic average of the points,
and that has significantly reduced the noise |
|
|
186
|
Tue Aug 1 15:44:31 2023 |
Sophia | Update | Scripts/Programs | Update on Laser Noise Data Collection and Analysis: Dynamic CSD and PSD Plots | We have identified two problems facing the
intensity noise calculations, which we are
working to solve.
The first of these |
6x |
|
194
|
Mon Aug 7 15:36:18 2023 |
Sophia | Update | Scripts/Programs | Update on Laser Noise Data Collection and Analysis: Dynamic CSD and PSD Plots | Today I was able to fix the red pitaya's plotting
problem, and get my code to recognize driving
frequencies from the function generator to |
7x |
|
206
|
Tue Aug 15 10:35:00 2023 |
Sophia | Update | Scripts/Programs | Update on Laser Noise Data Collection and Analysis: Dynamic CSD and PSD Plots | I have successfully added a button to my graphics,
but it has posed a strange issue with the
CSD and PSD values. When I plot my original |
|
|
207
|
Tue Aug 15 13:32:37 2023 |
Sophia | Update | Scripts/Programs | Update on Laser Noise Data Collection and Analysis: Dynamic CSD and PSD Plots | I have now fixed all issues that I was having
this morning, and have added text boxes which
show the peak values of both PSD's and the |
|
|
162
|
Tue Jul 18 14:13:46 2023 |
Sophia | Update | Scripts/Programs | Update on Laser Noise Data Collection and Analysis | We [Sophia and Tyler] have found a code which
will partition our data and generate PSD's
and CSD's automatically. We are now in the |
6x |
|
413
|
Mon Jul 29 12:18:52 2024 |
Liu | Update | Interferometer Simulations | Update on FROSTI O5 ETM profile optimization | Update on FROSTI O5 ETM profile optimization
is attached. |
|
|
196
|
Tue Aug 8 16:47:11 2023 |
Sophia | Update | Scripts/Programs | Update on Dynamic CSD and PSD Plots | We have fixed our rapid plotting error, and
realized that this has not been affecting
our data intake! Below is a video of the |
|
|
436
|
Mon Sep 9 12:36:45 2024 |
Michael | Update | Interferometer Simulations | Update on Analysis of Mode Mismatch Minimization in A# | I have taken a closer look at the solution
curve in the mirror parameter space which
I have searched, focusing on the "resilience" |
|