ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
321
|
Tue Feb 13 01:26:30 2024 |
Peter | Update | Interferometer Simulations | CARM Power Simulations | Cao's simulations of the circulating power
and gouy phase through a single arm cavity
of the interferometer have been reproduced. |
|
|
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.
|
|
|
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. |
|
|
318
|
Wed Feb 7 12:43:22 2024 |
shane | Update | Cleanroom | cleanroom particle counts (full 5 zone measurement) | Here's today's full 5 zone measurement of
the cleanroom. Everything is back under the
requirement. |
|
|
317
|
Tue Feb 6 22:40:25 2024 |
Michael | Update | Scripts/Programs | Long Crab 1 Design Created In Gtrace | Worked on and completed the python code for
the simulation of the Long Crab 1 layout
for Cosmic Explorer basing off of Pooyan's |
|
|
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 |
|
|
315
|
Fri Feb 2 19:18:24 2024 |
shane | Update | Cleanroom | cleanroom cleaning and particle count |
[Aiden, Shane,
Luis, Luke]
cleaning cleanroom
and particle count |
|
|
314
|
Fri Feb 2 19:08:20 2024 |
Aiden | Update | VAC | 1st Hot Element RGA Scan | Here are the measurements for the RGA scan
of the elements while on at around 160C.
The pressure of the chamber during the test |
|
|
313
|
Fri Feb 2 16:56:56 2024 |
Jon | Update | CDS | RTS model implemented for FROSTI RTD readouts | Summary
Today I finished implementing
an RTS model to read out the integrated FROSTI
RTDs (temperature sensors) via the CyMAC. |
|
|
312
|
Wed Jan 31 14:37:26 2024 |
Shane | Summary | CDS | path directions for CyMAC model and parts library | Path to cds parts library in Matlab simulink:
/usr/share/advligorts/src/src/epics/simLink.
File name CDS_PARTS.mdl
Path to user models: |
|
|
311
|
Tue Jan 30 11:36:19 2024 |
Tyler | Update | Electronics | RTD Chassis |
|
|
|
310
|
Tue Jan 23 12:17:41 2024 |
Tyler | Update | Electronics | RTD Chassis |
After updating the wiring in the RTD
Chassis, a signal is now seen at each ADC
input. However, there seems to be a discrepancy |
|
|
309
|
Thu Jan 18 18:06:49 2024 |
shane | Update | Cleanroom | cleanroom 5 zone particle count measurement | Here's today's full five zone measurement
of the cleanroom |
|
|
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. |
|
|
307
|
Wed Jan 17 15:47:49 2024 |
Aiden | Update | General | Resistors for Heater Elements | Power Res (Ohm) RTD Res (Ohm)
Heater
1= 73.6; 81.8
Heater 2= 70.4; 82.1
Heater
3= 71; 84.5
Heater 4= 71.5; 80
Heater |
|
|
306
|
Tue Jan 16 16:11:41 2024 |
Aiden | Update | VAC | | [Aiden,Luis]
Below is the data for the
most recent bake. I believe the chamber is
cleaner than it is actually showing as the |
|
|
305
|
Tue Jan 16 12:20:21 2024 |
Tyler | Configuration | Electronics | RTD Readout Chassis Update 2 |
I performed another continuity test on
the RTD chassis wiring, and everything seems
to be set up correctly. The chassis should |
|
|
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. |
|
|
303
|
Mon Jan 15 22:29:34 2024 |
Jon | Infrastructure | General | Cabinet installation & lab clean-up completed | [Jon, Tyler, Aiden, Shane, Pooyan, Michael,
Cynthia, Luke]
On Wednesday, we completed long list |
|
|
302
|
Wed Jan 10 15:27:18 2024 |
Shane | Update | Cleanroom | cleanroom cleaning and particle count |
[Aiden, Shane]
cleaning
cleanroom and particle count
2:03 pm: changed sticky |
|
|
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 |
|
|
300
|
Tue Jan 9 12:08:59 2024 |
Tyler | Configuration | Electronics | RTD Readout Chassis Update |
Below is the current state of the RTD
readout chassis wiring. Initial continuity
tests seem good, will run through one more |
|
|
299
|
Mon Jan 8 20:24:53 2024 |
Aiden | Update | General | | [Jon, Aiden]
Installed the heater elements
into their fixture and prepped the cables
by twisting the wires into pairs. We also |
|
|
298
|
Fri Dec 29 16:02:27 2023 |
Jon | Configuration | Electronics | RTD Readout Chassis | The custom front and rear panels for the
RTD readout chassis arrived last Friday.
I installed them in the chassis frame to |
|
|
297
|
Wed Dec 20 10:33:34 2023 |
Jon | Infrastructure | Clean & Bake | Clean and bake lab migrated to 1129 | Update: I
have completed permanent routing of the electrical
cables. I also ran the ultrasonic washer's |
|
|
296
|
Tue Dec 19 15:45:05 2023 |
Aiden | Update | VAC | Vacuum Chamber Baking Update | Took RGA data for the macor parts inside of
the chamber. With the Ar open the HC levels
read 30 torrl/s which is around where it |
|
|
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 |
|
|
294
|
Sun Dec 17 21:04:15 2023 |
Jon | Infrastructure | Clean & Bake | Clean and bake lab migrated to 1129 | [Jon, Tyler, Aiden, Luke]
On Friday we completed assembly of
the new stainless steel-topped benches in |
|
|
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 |
|
|
292
|
Fri Dec 15 14:03:02 2023 |
Aiden | HowTo | VAC | Vacuum Chamber Opening | [Aiden]
1. Turn off the RGA filament
and disconnect it.
2. Record the pressure
and then close the angle valve and gate valve |
|
|
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 |
|
|
290
|
Mon Dec 11 12:58:57 2023 |
Shane, Luis | Update | CDS | DAC-ADC loopback test debugging | [Luis, Shane]
Working on debugging last
week's weird results for the ADC-DAC loopback
test for channels 14 and 15. With DAC output |
|
|
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 |
|
|
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 |
|
|
287
|
Thu Dec 7 14:13:15 2023 |
Shane | Update | Cleanroom | cleanroom cleaning and particle count |
[Aiden, Shane,
Michael, Luke, Cynthia]
cleaning
cleanroom and particle count |
|
|
286
|
Thu Dec 7 12:42:42 2023 |
Aiden | Update | VAC | Vacuum Chamber Baking Update | After leaving the RGA on for a few days the
chamber has settled at 2.01 e-8 torr. I also
have good news that the chamber looks to |
|
|
285
|
Mon Dec 4 21:27:53 2023 |
Shane | Update | CDS | ADC-DAC loopback test results | Here are the test results from today's ADC-DAC
loopback tests. Channels 14 and 15 were the
only ones behaving abnormally. Not sure what |
|
|
284
|
Mon Dec 4 11:19:50 2023 |
Aiden | Update | VAC | Vacuum Chamber Baking Update | [Aiden]
Took some RGA data of the chamber
after it has been cooling down. I do not
believe that this data accurately shows the |
|
|
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. |
|
|
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 |
|
|
281
|
Thu Nov 30 13:50:32 2023 |
Tyler | Update | Lore | Workbench Assembly Completed | [Tyler, Luke, Aiden]
The workbenches
are now completely assembled and put into
their final places. Additionally, the tool |
|
|
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 |
|
|
279
|
Mon Nov 27 19:34:50 2023 |
Aiden | Update | Clean & Bake | Clean and Bake Batch 20 Bagging | Bagged and tagged bath 20 which included the
macor hardware and place it inside the clean
room on the table. |
|
|
278
|
Mon Nov 27 14:22:30 2023 |
Tyler | Update | Lore | 1129 Assembly Update | [Tyler, Michael, Luke, Cynthia]
The
tabletops have been attached to the workbench
frames. Unfortunately, one of the tabletops |
|
|
277
|
Thu Nov 23 12:34:44 2023 |
Jon | Update | CDS | DB25 signal connections for FROSTI heaters | Update: I was able to put the
FROSTI power controller on the lab network.
It is connected to the switch in the top |
|
|
276
|
Wed Nov 22 15:46:50 2023 |
Shane | Update | CDS | DB25 signal connections for FROSTI heaters |
[Shane,
Jon]
Installed new DC smart switch in electronics |
|
|
275
|
Tue Nov 21 22:09:44 2023 |
Aiden | Update | General | Testing Parts | [Aiden, Luis]
Luis and Aiden vented
the chamber today. We closed off the RGA
section and then proceeded to open the the |
8x |
|
274
|
Tue Nov 21 14:47:24 2023 |
Tyler | Update | Lore | 1129 Workbench Assembly Update 1 |
[Tyler, Shane, Mohak, Cynthia, Luke,
Michael, Luis]
Started assembly of the workbench |
|
|
273
|
Mon Nov 20 20:45:16 2023 |
Aiden | Update | VAC | Leak Test |
[Aiden, Luis]
Tested every weld
and flange to find leaks. Only found that
the flange on the turbo pump and reducing |
|
|
272
|
Mon Nov 20 20:37:45 2023 |
Aiden | Update | VAC | Clean and Bake Batch 20 | [Aiden, Luis]
Started to clean and bake the
macor parts for the FROSTI reflector. Per
LIGO documentation cleaned the macor in liquinox |
|