| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
651
|
Wed Oct 8 14:45:12 2025 |
Xuesi Ma | Infrastructure | VAC | RGA Chamber Pressure | RGA Chamber pressure is currently at 3.68e-4
torr. |
|
|
662
|
Thu Nov 20 12:40:47 2025 |
Xuesi Ma | Infrastructure | General | Room 1125 Optical Table | Cleaned off the tapes on the optical table
with acetone. |
|
|
670
|
Thu Jan 22 10:10:31 2026 |
Jon | Infrastructure | General | Lab floor plans | Attached are the starting and final floor
plans for the February 2026 expansion into
the Physics 1125 lab. |
|
|
672
|
Thu Jan 22 13:18:12 2026 |
Pooyan | Infrastructure | General | Lab floor plans | The working document of tasks regarding
moving the clean room is attached. Needs
LIGO account to access and edit.
|
|
|
676
|
Thu Feb 5 11:42:47 2026 |
Jon | Infrastructure | General | Lab floor plans | [Audrey, Cece, Jon, Ma, Mary, Michael,
Pooyan, Tyler, Shane]
We have completed the preliminary |
|
|
682
|
Thu Feb 12 12:25:38 2026 |
Xuesi Ma | Infrastructure | General | Lab floor plans | [Cece, Ma, Mary, Pooyan, Tyler, Paul]
We have continued the reorganization |
8x |
|
689
|
Thu Mar 5 12:08:47 2026 |
Pooyan | Infrastructure | Cleanroom | Cleanroom HEPA fan defect | [Pooyan, Ma, Mary, Tyler]
While re-installing the clean-room
HEPA fan filters, we realized that one of |
|
|
691
|
Wed Mar 11 19:38:21 2026 |
Pooyan | Infrastructure | Cleanroom | Parts and things to get after the cleanroom move |
concrete Caulk to fill the drill
holes in 1119
Example [Pooyan:
I have a caulk gun and silicon caulk at home, |
8x |
|
701
|
Sun Apr 19 15:22:08 2026 |
Pooyan | Infrastructure | Cleanroom | HEPA fan air flow measurment | [Ma, Mary, Tyler, Pooyan]
HEPA fan air flow measurements are
done with the fans sitting on their side |
|
|
708
|
Sun May 3 21:13:14 2026 |
Pooyan | Infrastructure | Cleanroom | Cleanroom HEPA fan install | [Ma, Cece, Pooyan, Tyler]
We installed the repaired HEPA fans
on top of the cleanroom, and cleaned the |
|
|
717
|
Mon Jun 15 22:30:09 2026 |
Cece Ochoa | Infrastructure | Inventory | Optics Inventory | Spreadsheet of all tabletop optical parts
in 1129 (Cabinet 1)
linked here
Note that a couple |
|
|
718
|
Thu Jun 18 08:40:07 2026 |
Mary | Infrastructure | General | Fume hood | [Ma, Mary]
The tape residue on the fume hood
was cleaned using acetone; however, the acetone |
|
|
721
|
Thu Jun 25 12:48:29 2026 |
Xuesi Ma | Infrastructure | Cleanroom | | |
|
|
729
|
Tue Jul 7 13:54:37 2026 |
Xuesi Ma | Infrastructure | Cleanroom | | [Shane, Joshua, Cece, Ma, Mary, Abhi, Jacob]
The clean room (1119) was re-cleaned
on Thursday (7/2). All surfaces were wiped |
|
|
732
|
Thu Jul 9 12:46:49 2026 |
Xuesi Ma | Infrastructure | Cleanroom | Cleanroom cleaning | [Shane, Joshua, Cece, Ma, Mary, Abhi, Jacob]
The clean room (1119) was re-cleaned
on Tuesday (7/7). All surfaces were wiped |
|
|
734
|
Tue Jul 14 21:23:40 2026 |
Xuesi | Infrastructure | Cleanroom | Cleanroom cleaning | [Joshua, Cece, Ma, Mary, Abhi, Jacob, Dhatri]
The clean room (1119) was re-cleaned
on Tuesday (7/14). A particle count measurement |
|
|
735
|
Wed Jul 15 21:53:32 2026 |
Joshua | Infrastructure | Cleanroom | Cleanroom cleaning | [Joshua, Mary, Ma]
On Wednesday (7/15), a particle
count measurement was performed in the clean |
|
|
744
|
Mon Aug 3 12:23:03 2026 |
Pooyan | Infrastructure | CDS | Cymac backup schedule |
Backup plan for
the CyMAC machine: |
|
|
1
|
Sun Apr 10 15:39:49 2022 |
Rutuja Gurav | HowTo | Computer Scripts/Programs | HowTo: Renew the Let's Encrypt SSL certificate using certbot | Port 80 is kept closed by default. This
might be causing the certbot auto-renewal
cronjob to fail. Therefore we must renew |
|
|
2
|
Thu Jun 2 16:14:58 2022 |
Jon | HowTo | General | Custom conda environment on JupyterHub | Cross-linking instructions: How
to run a Jupyter notebook in your custom
Conda environment |
|
|
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 |
|
|
555
|
Thu Apr 17 12:12:29 2025 |
Liu | HowTo | Interferometer Simulations | Preventing Thread Contention in Multiprocessing with Finesse and Cython |
Avoiding Thread
Contention When Using Multiprocessing |
|
|
14
|
Wed Dec 14 18:34:33 2022 |
Jon | Configuration | Electronics | Adapter for 532 nm laser power supply | I installed an EU-to-US plug adapter for the
532nm laser's 9V power supply. I then re-measured
the laser's power with the correct supply |
|
|
271
|
Mon Nov 20 10:10:50 2023 |
Tyler | Configuration | Electronics | RTD Logic/Schematic Diagrams |
Below are a basic diagram of what the
RTD measurement circuit logically looks like
and an example schematic of the actual wiring. |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
323
|
Tue Feb 13 11:54:45 2024 |
Tyler | Configuration | FLIR | In-Air Optical Test Configuration |
Below is the proposed schematic for FROSTI
optical testing, chosen so enough space is
allotted for prototype assembly.
|
|
|
451
|
Wed Oct 2 10:31:46 2024 |
Xuesi Ma | Configuration | | Group Meeting Slides 10/2/2024 |
Group Meeting slides for Non-deterministic
Heater Response.
|
|
|
517
|
Tue Feb 18 11:19:13 2025 |
Luke | Configuration | VAC | Repositioning of the lid's temperature probe | Before the recent bake I slightly repositioned
the temperature probe on the lid from beside
the heater tape to under the heater tape. |
|
|
570
|
Tue May 6 12:25:03 2025 |
Tyler | Configuration | CDS | Cymac ADC CSD measurement | An initial measurement of the cymbal ADC CSD
is attached below. As of now, it seems that
the sensitivity limit is roughly the same |
|