ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
238
|
Wed Oct 11 20:47:11 2023 |
Jon | Update | VAC | Vacuum upgrade begins | [Jon, Tyler, Aiden, Peter]
Upgrade of the UHV system to a larger
turbo pump began today. After obtaining a |
  |
237
|
Mon Oct 9 21:41:24 2023 |
Aiden | Update | Clean & Bake | Clean and Bake Batch 19 | Bagged and tagged the parts from batch 18.
Started the Copper batch that includes all
the gaskets needed to start the vacuum chamber |
|
236
|
Mon Oct 9 16:59:21 2023 |
Shane, Jon | Update | CDS | timing chassis power cable and AI chassis testing for CyMAC |
[Shane, Jon]
Today's
CyMAC work:
Finished assembling
external power supply cable for the timing |
|
235
|
Mon Oct 9 11:29:37 2023 |
Tyler | Update | Electronics | PSD/CSD Plot Updates | Continuing from Sophia's SURF Project this
summer: Plotting the Power-Spectral Densities
(PSDs) and Cross-Spectral Densities of two |
 |
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 |
   |
233
|
Sat Oct 7 17:10:27 2023 |
Aiden | Update | Clean & Bake | Clean and Bake Batch 18 | Bagged and tagged the parts from Batch 17
and placed them in the clean room on the
optic table. Also started an aluminum batch |
|
232
|
Tue Oct 3 15:07:48 2023 |
Aiden | Update | Clean & Bake | Clean and Bake Batch 17 | Cleaned and baked all the stainless steel
parts in Batch 17. Check data base for more
details on this. |
|
231
|
Fri Sep 29 17:27:30 2023 |
Shane, Jon | Update | CDS | Timing chassis assembly progress (CyMAC) | Worked on timing chassis assembly today for
the CyMAC, settled on layout (see attachment
1). Frequency synthesizer and frequency divider |
 |
230
|
Fri Sep 29 11:53:54 2023 |
Shane | Update | Cleanroom | 5 zone particle count measurement in cleanroom | Today's 5 zone measurement of cleanroom particulate
concentration is attached |
 |
228
|
Fri Sep 29 11:22:33 2023 |
Shane, Aiden | Update | Cleanroom | cleaning and particle count |
[Aiden, Shane]
cleaning
cleanroom and particle count
10:06 am: ran zero count |
|
227
|
Thu Sep 28 15:17:13 2023 |
Aiden | Update | Clean & Bake | Clean and Bake Batch 16 | Bagged and Tagged the parts from batch 15
and started baking batch 16 which includes
the 6" to 8" reducer. |
|
226
|
Fri Sep 15 17:33:35 2023 |
Aiden | Update | VAC | Vacuum Chamber Baking Update | Took some more RGA data and see that the chamber
has gotten much cleaner since monday. Next
step would be another bake with some focus |
 |
225
|
Thu Sep 14 17:05:38 2023 |
Shane, Jon | Update | CDS | Timing chassis setup and testing | Tested the setup today for the timing chassis
(intended to provide the timing reference
for the CyMAC). Was able to read the correct |
|
224
|
Tue Sep 12 15:31:31 2023 |
Aiden | Update | Clean & Bake | Clean and Bake Batch 15 | Cleaned and Baked the SS screws for the heater
mount. Check the Clean and Bake data base
on the website to get a precise list of the |
|
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 |
 |
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 |
|
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) |
 |
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 |
|
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 |
|
218
|
Thu Aug 31 12:56:29 2023 |
Aiden | Update | VAC | Vacuum Chamber Baking Update | Took some more RGA data to see if the HC levels
have further declined since bake 4 and it
seems that it has started to plateau with |
  |
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 |
|
216
|
Tue Aug 29 19:09:21 2023 |
Aiden | Update | VAC | Vacuum Chamber Baking Update | Here are some more plots with the RGA data
take August 29. It seems that more pumping
time has led to the HC levels being dramatically |
 |
215
|
Mon Aug 28 14:43:50 2023 |
Aiden | Update | VAC | Vacuum Chamber Baking Update | The PID controllers were turned off on Friday
and the chamber was left to cool over the
weekend. Just took data and it looks like |
 |
214
|
Mon Aug 21 17:13:25 2023 |
Aiden | Update | VAC | Vacuum Chamber Baking Update |
Came in to take RGA data and found the
turbo pump drawing .38 Amps. This was much
higher than what it was on Friday. I investigated |
 |
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 |
|
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 |
211
|
Wed Aug 16 17:17:02 2023 |
Shane, Jon | Update | CDS | Binary input chassis powering correctly | Binary input chassis passed power-on test,
and is lighting up as expected. Binary output
chassis also successfully powered on. AA |
|
210
|
Wed Aug 16 16:55:40 2023 |
Shane, Jon | Update | CDS | external power supply cables finished | All four external power supply cables for
the CyMAC chassis are now assembled. Using
them now to test if chassis power up correctly. |
|
209
|
Tue Aug 15 16:10:06 2023 |
Celeste | Update | TCS | 8/15/2023 Simulation Progress | |
|
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 |
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 |
  |
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 |
    |
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 |
204
|
Fri Aug 11 10:57:20 2023 |
Celeste | Update | TCS | 8/11/23 Simulation Progress | |
|
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 |
|
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 |
|
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 |
|
200
|
Thu Aug 10 14:13:38 2023 |
Celeste | Update | TCS | 8/10/23, Simulation Graphical Progress | |
|
199
|
Wed Aug 9 17:35:26 2023 |
Shane | Update | CDS | Binary output chassis finished | Finished the internal wiring for the binary
output chassis today, which completes its
assembly. Also secured ribbon cables and |
 |
198
|
Wed Aug 9 11:32:56 2023 |
Jon | Infrastructure | General | New power cables | I delivered new NEMA 5-15 (120V / 15 A)
power cables to the lab for the following
items: |
|
197
|
Tue Aug 8 17:03:22 2023 |
Shane, Jon | Update | CDS | Binary input chassis finished | Finished assembly of the binary input chassis
today, including DC on/off switch and LED
installation. external cable assemblies still |
|
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 |
  |
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 |
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 |
193
|
Mon Aug 7 13:58:46 2023 |
shane | Update | CDS | internal power supply cables done for AI chassis | Finished assembling and installing the aLigo
chassis internal power supply cables in the
anti-imaging chassis today. Tested for continuity |
|
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. |
|
191
|
Thu Aug 3 18:03:42 2023 |
Shane, Jon | Update | CDS | Anti-Aliasing chassis complete | We finished installing the internal power
supply cables in the anti-aliasing chassis
today, which concludes its assembly. Work |
|
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 |
|
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, |
|
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 |
|