| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
398
|
Mon Jul 8 17:01:45 2024 |
Shane | Update | CDS | New CyMAC internal layout | [Jon, Shane]
Internal layout of CyMAC has
been updated (labeled image attached) to
accommodate the replacement of the two ribbon |
|
|
399
|
Tue Jul 9 18:19:50 2024 |
Shane | Update | CDS | ADC-DAC loopback testing and IOLAN installation | [Shane, Jon]
Finished ADC-DAC loopback
testing today (see attached xlsx file or
access directly here). |
|
|
410
|
Tue Jul 16 18:43:07 2024 |
Shane | Update | CDS | ADC-DAC loopback testing and IOLAN installation |
UPDATE:
Follow up ADC-DAC loopback testing
now complete, matching all the ADC channels
to a single DAC channel, and then matching |
|
|
419
|
Fri Aug 2 13:50:22 2024 |
Shane | Update | CDS | Serial Comm. Test (Agilent Turbo Pump) | Did a brief communication test with the agilent
turbo pump today, to see if we could get
serial communications up and running for |
|
|
Draft
|
Tue Oct 1 19:41:23 2024 |
Shane | Update | CDS | CyMAC Timing Chassis Issue | [Shane, Luis]
Summary of the issue we've
been having with the timing chassis: when
we connect only the Valon 5015 to power, |
|
|
456
|
Thu Oct 3 19:35:04 2024 |
Shane | Update | Cleanroom | Cleanroom cleaning and particle count |
[Luke, Michael,
Cynthia, Mary]
cleaning cleanroom
and particle count |
|
|
461
|
Thu Oct 17 13:24:23 2024 |
Shane | Update | CDS | Timing Chassis issue identified |
[Ma,
Luis, Shane]
Working theory for the
timing chassis issues had been that the 1A |
|
|
465
|
Fri Oct 25 10:56:30 2024 |
Shane | Update | CDS | Timing Chassis fixed and reinstalled |
[Ma, Shane]
We
replaced the 1A breaker in the timing chassis
today with a 4A one, and tested that all |
|
|
473
|
Thu Nov 14 11:58:05 2024 |
Shane | Update | CDS | Turbo pump connection troubleshooting | Attempted connection to the TV551 turbo pump
through Varian/Agilent's software on spica.
Successful connection established, and we |
|
|
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 |
|
|
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 |
|
|
527
|
Thu Feb 27 18:22:21 2025 |
Shane | Update | CDS | Ongoing work in server rack and desk area (1119) | As part of the vacuum communications debugging
process, there is ongoing work in the server
rack and desk area in 1119. Please be careful |
|
|
532
|
Tue Mar 4 10:47:03 2025 |
Shane | Update | CDS | Vac system pinouts | Attached here are the pinouts, as we currently
know them, for the vacuum system. The three
items focused on here are the Agilent TwissTorr |
|
|
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 |
|
|
534
|
Wed Mar 5 18:13:20 2025 |
Shane | Update | CDS | vac system comms |
[Shane, Jon]
Update on the serial interfacing with
the Inficon VGC503 pressure gauge: We began |
|
|
535
|
Mon Mar 10 17:03:52 2025 |
Shane | Update | CDS | Pressure Gauge successful connect | Vac system serial interfacing update: the
pressure gauge is now able to communicate
successfully through the code. It's been |
|
|
565
|
Wed Apr 30 13:42:45 2025 |
Shane | Update | CDS | UPS comms successful | Update on UPS1 serial interfacing: communication
is now successful. On 4/15/25 we connected
to UPS1 via ethernet rather than USB, and |
|
|
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 |
|
|
748
|
Tue Sep 1 11:50:44 2026 |
Ruaraidh Dumbreck | Update | TCS | COMSOL modeling for the ring heater | I’ve set up the base COMSOL model for Cosmic
Explorer ITM optics (450 mm diameter × 300
mm thickness). I implemented the absorbed |
|
|
749
|
Thu Sep 3 10:14:21 2026 |
Ruaraidh Dumbreck | Update | TCS | COMSOL modeling for the ring heater + Shield | I had a bit of trouble with the deformation
model for the simulation but ive fixed it
now, although some of the scales are still |
|
|
750
|
Thu Sep 10 10:45:52 2026 |
Ruaraidh Dumbreck | Update | TCS | COMSOL modeling for the ring heater | Since last week, I have put the ring heater
on the correct side of the optic and found
that the thermal modelling is being limited |
|
|
752
|
Thu Sep 17 11:52:48 2026 |
Ruaraidh Dumbreck | Update | TCS | COMSOL modeling for the ring heater preliminary run | This week i have fixed the study to model
deformation and thermal expansion in 1 study
and corrected some errors in the system.
I |
6x |
|
753
|
Thu Sep 24 14:00:51 2026 |
Ruaraidh Dumbreck | Update | TCS | debugging and troubleshooting | I am in the process of comparing my model
to the pre existing model used for current
ligo parameters. the aim is to have 2 studies, |
|
|
754
|
Thu Oct 1 13:04:03 2026 |
Ruaraidh Dumbreck | Update | TCS | COMSOL Shield modeling (My model scaled to PRL model parmeters) | so i have managed to produce good results
for my model. I have managed to produce results
that agree withing ~0.2%. The metric im |
|
|
326
|
Tue Feb 13 13:02:41 2024 |
Pooyan | Update | Interferometer Simulations | Cacity sacn of Fabry-Perot | Created a simple model of Fabry-Perot cavity
in SIS, and did a cavity scan. Total power
in the cavity, 00 mode, and HOMs is measured. |
|
|
356
|
Wed Mar 27 00:03:57 2024 |
Pooyan | Update | Computers | Chimay relocation to Physics 1129 | [Jon, Pooyan]
Moved Chimay from
the server rack in Physics 1119 to a new
rack in Physics 1129. It is connected to |
|
|
358
|
Mon Apr 8 14:43:29 2024 |
Pooyan | Update | Interferometer Simulations | SIS update single and coupled cavities | [Pooyan, Cynthia]
Attached is a brief
recap PDF file. A video file showing separate
HOMs plots for the cavity scan with ETM08 |
|
|
382
|
Mon Jun 24 21:38:25 2024 |
Pooyan | Infrastructure | Computers | Computer server changes in 1119 and 1129 | [Jon, Pooyan, Tyler]
A few computer machine changes have |
|
|
406
|
Mon Jul 15 14:28:32 2024 |
Pooyan | Update | Interferometer Simulations | aLIGO test mass surface profiles | Created a Google Slides presentation to
summarize all the mirror surface map information
that we use for simulating interferometers. |
|
|
407
|
Mon Jul 15 14:49:06 2024 |
Pooyan | Update | Computers | Synology NAS server setup | Installed a Synology NAS server (Synology
RackStation RS1221) in lab room 1129, with
host name “scribe” and ip “192.168.1.17”. |
|
|
437
|
Mon Sep 9 14:27:36 2024 |
Pooyan | Infrastructure | Computers | Chimay backup attempt | One ongoing work is to make all lab machines
automatically backed-up on Scribe on a daily
basis. The updates should be boatable and |
|
|
585
|
Tue Jun 3 11:50:08 2025 |
Pooyan | Update | CDS | CDS update | There are three major issues with the lab's
CDS system that should be addressed. They
are ordered from the highest priority to |
|
|
590
|
Tue Jun 10 12:11:14 2025 |
Pooyan | Update | CDS | CDS update |
The MEDM models issue was fixed.
The issue was that building the c1msc model
alone was not enough and we had to re-build |
|
|
592
|
Wed Jun 11 16:19:37 2025 |
Pooyan | Update | CDS | CDS update |
Fast channels recorded to .gwf frame
files
Had to add a DAQ Channels
block to the c1msc model for those channel |
|
|
593
|
Wed Jun 11 16:33:45 2025 |
Pooyan | Update | Computers | Luke's ray tracing hosting |
Hosted Lukes model on Chimay. It's
available at https://richardsonlab.ucr.edu/real-time-frosti
The
sourcecode is at Github. |
|
|
632
|
Tue Aug 19 12:33:59 2025 |
Pooyan | Update | TCS | A# BS Update | |
|
|
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.
|
|
|
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 |
|
|
740
|
Tue Jul 21 17:58:36 2026 |
Pooyan | Update | CDS | Cymac DAQ channel add for long-term recording | Changed the sample rate of Cymac ADC channels
V3 and VREF6 to 65 kHz for long-time recording.
(65536 to be exact) |
|
|
744
|
Mon Aug 3 12:23:03 2026 |
Pooyan | Infrastructure | CDS | Cymac backup schedule |
Backup plan for
the CyMAC machine: |
|
|
10
|
Wed Aug 17 16:04:30 2022 |
Phoebe Zyla | Summary | Lore | Testing the Cartridge Heater and Collecting FLIR Data | We have tested the heater to find emissivity,
mounted the heater system to the optical
table, and have taken irradiance maps of |
|
|
8
|
Fri Jul 22 13:20:28 2022 |
Phoebe | Update | | Comsol | I will be using comsol until 1:30 pm today.
I will be updating the model for the heater
mount to be thicker in certain areas, so |
|
|
16
|
Mon Jan 23 17:26:15 2023 |
Peter Carney | Update | General | Oven cleaning | Aiden and Cao
Turned on the oven to 120
deg C for 12 hours. After 12 hours, put it
at 200 deg C for 48 hours. |
|
|
21
|
Sat Feb 4 17:01:03 2023 |
Peter | Update | VLC Electronics | Laser Data | Peter and Ryan took laser beam data. Configuration:
100mm focal length lens is ~100mm from lens.
150mm focal length lens is ~200mm from first |
|
|
36
|
Tue Feb 28 19:31:05 2023 |
Peter | Update | VLC Electronics | 532 M2 Measurements | Took M2 measurements today. Configuration:
Lens 1 (f = 50mm) at 0mm. Lens 2 (f = 150mm)
at 200mm, camera at 350mm. The laser beam |
|
|
37
|
Tue Feb 28 19:33:51 2023 |
Peter | Update | | 532 M2 Measurements | Y axis of plot in units of micrometers. X
axis in units of millimeters. |
|
|
48
|
Thu Mar 9 12:03:59 2023 |
Peter | Update | VLC Electronics | 532 M2 Measurements | Took more M2 Data today. Picture of the optical
set up is shown below. lens1 f = 100mm, lens2
f = 50mm, lens3 f = 150mm. There was a nice |
|