| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
339
|
Sat Feb 24 08:53:38 2024 |
Jon | Infrastructure | Computers | Matlab upgraded to 2023b on Chimay | I upgraded Matlab on chimay to the latest
stable release, 2023b. From some quick tests,
it appears to be in working order. Let me |
|
|
467
|
Tue Nov 5 09:56:04 2024 |
Luis Martin | Update | Clean & Bake | MR Bake | [Luke, Luis]
On Friday, 11/1/24,
the MR was unpackaged and cleaned under the |
|
|
329
|
Mon Feb 19 14:40:21 2024 |
Shane | Update | CDS | MEDM screen for FROSTI temp readouts | Here's the latest draft of the MEDM screen
for the FROSTI heating elements' temperature
readouts. Note that the MEDM screen isn't |
|
|
346
|
Thu Feb 29 17:16:48 2024 |
Shane | Update | CDS | MEDM screen for FROSTI T/P readouts | Here's the latest draft of the MEDM screen
for the FROSTI temp and power readouts, now
with a button linking to the c1msc file display. |
|
|
334
|
Wed Feb 21 23:15:07 2024 |
Michael | Update | Interferometer Simulations | Long Shoelaces 1 Layout Created in Gtrace and Fixed Ghosting in Beamsplitter | I have created the long shoelaces 1 layout
for cosmic explorer using gtrace, a slight
modification from the shoelaces 1 layout |
|
|
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 |
|
|
476
|
Wed Nov 20 12:31:24 2024 |
Luis | Update | VAC | Leak test RGA Scan after vacuum repairs | [Luke, Luis]
After the gasket replacement performed
on Monday (11/18/24) we let the vacuum pump |
|
|
474
|
Tue Nov 19 17:10:34 2024 |
Luke | Update | VAC | Leak check | Chamber temperature: 23C
Chamber Initial Pressure: ~1.8e-8
main, ~3.5e-8 rga |
|
|
462
|
Wed Oct 23 11:48:06 2024 |
Luis Martin | Update | VAC | Leak Test Results | [Luke, Luis, Mary, Ma]
On 10/22/24 Luke, Ma, Mary and myself
ran a leak test, the results are displayed |
|
|
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 |
|
|
116
|
Tue Jun 6 16:15:09 2023 |
Peter | Update | VLC Update | Launch Optics for Visible Light Cavity | I assembled the first few components of the
launch optics for the visible light cavity.
Below is an image of the current table configuration, |
|
|
337
|
Fri Feb 23 15:01:48 2024 |
Shane | Update | CDS | Latest draft of MEDM screen for FROSTI readouts | Here's the latest draft of the MEDM screen
for the FrOSTI temp and power readouts. Also,
debugged the text readout boxes so they're |
|
|
62
|
Tue Apr 4 09:53:37 2023 |
Peter | Update | VLC Update | Laser intensity/polarization drift measurements | The set up for the next round of beam characterization
measurements has begun. The beam is initially
passing through a half waveplate, is split |
|
|
65
|
Thu Apr 6 10:20:43 2023 |
Peter | Update | VLC Update | Laser intensity/polarization drift measurements | More optical components were added to the
optical set up for laser intensity / polarization
drift measurements. Both lenses and both |
|
|
83
|
Fri Apr 28 11:21:01 2023 |
Peter | Update | VLC Update | Laser intensity/polarization drift measurements | The Digi-key cables have arrived, and I have
began implementing them in the intensity
drift measurements.
There was a slight |
|
|
102
|
Mon May 22 16:43:28 2023 |
Peter | Update | VLC Electronics | Laser intensity/polarization drift measurements | In order to fully analyze the polarization
data taken last Thursday, I needed to convert
the signal output (which is in volts) to |
|
|
107
|
Wed May 24 14:28:26 2023 |
Peter | Update | VLC Electronics | Laser intensity/polarization drift measurements | I went in and took polarization drift data
for 16 hours. The run started at 6:08pm and
finished at 9:15am the next day. The four |
|
|
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 |
|
|
46
|
Wed Mar 8 18:35:52 2023 |
Pamella | Update | | Lab cleaning | Today Pamella finished cleaning of the cleanroom,
starting with the HEPA vacuuming, mopping
and clearing all floor with IPA wipes.
Also |
|
|
68
|
Tue Apr 11 17:56:15 2023 |
Pamella | Update | General | Lab cleaning | Today Pamella and Julian finished cleaning
of the cleanroom, starting with the HEPA
vacuuming, mopping and clearing all floor |
|
|
257
|
Wed Nov 8 17:55:49 2023 |
Jon | Update | General | Lab Clean-Up Day 1 | [Jon, Tyler, Shane, Peter, Luis]
Today we completed the first phase
of lab clean-up. Activities included: |
|
|
182
|
Mon Jul 31 12:39:01 2023 |
Shane | Update | Electronics | LED cable assemblies installed | Today I put together the two LED cable assemblies
for the CyMAC and mounted them in the anti-aliasing
and anti-imaging chassis. |
|
|
134
|
Tue Jun 27 14:04:42 2023 |
Sophia A. | Update | Measuring Noise in Interferometer | Interferometer set up and connection to red pitaya | Today we (Sophia and Tyler) constructed the
set-up for the electrical noise calculation
that I will be conducting this summer. I |
|
|
81
|
Thu Apr 27 16:23:44 2023 |
Cao, Pamella and Julian | Physics | VAC | Installing vacuum system (cont.) |
[Pamella, Cao and Julian, Shane]
Particles account
10:37 am: Starting the particles account |
|
|
87
|
Mon May 1 17:10:25 2023 |
Julian, Cao | Physics | VAC | Installing Pirani gauge and RGA probe onto to vacuum chamber | [Julian, Cao]
03:00 pm: Particle
count
: Zone 3
|
|
|
11
|
Mon Oct 3 17:21:39 2022 |
Cao | Update | TCS | Inspection of macor parts | The macor parts arrived and inspected today.
These include:
Macor spacer
(drawing: LIGO_Redesign_Macor_Spacer_Drawing_v4.pdf |
7x |
|
373
|
Mon Jun 3 14:14:39 2024 |
Tyler | Update | FLIR | Initial CIT FROSTI Analysis | [Tyler]
Attached below are the initial
results of the CIT FROSTI testing analysis.
|
|
|
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.
|
|
|
349
|
Tue Mar 19 10:55:30 2024 |
Tyler | Update | FLIR | In-Air Optical Test | Below is an image I took using the FLIR just
before leaving for the LVK meeting. The profile
is roughly what we would expect (annular). |
|
|
468
|
Tue Nov 5 11:08:40 2024 |
Luis Martin | Update | VAC | ISO Test |
[Luis, Luke, Ma Michael]
The isolation test
was conducted on the vacuum system. Every |
|
|
6
|
Tue Jun 21 18:31:49 2022 |
Cassidy and Phoebe | Update | Cameras | IR Absorbing Screen and FLIR Camera Setup | Today we set up the IR absorbing screen and
the camera on the optical table, as well
as tested that the camera was functioning |
|
|
60
|
Mon Apr 3 17:04:05 2023 |
Aiden | Summary | General | IDP Scroll Pump Assembly | Aiden installed the isolation valve and the
exhaust silencer kits on the IDP-3 Scroll
pump. The entire assembly still needs to |
|
|
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 |
|
|
98
|
Sun May 14 15:50:48 2023 |
Cao | Infrastructure | Computers | High resolution display of logrus machine | [Cao]
The display resolution of the
logrus has been 1064x768 and has been the
only option, which is not great. While remote |
|
|
435
|
Fri Sep 6 14:34:52 2024 |
Luke | Update | VAC | Heating tape work | On the 5th I had tried to start baking
the vacuum chamber however certain parts
of the chamber were getting too hot and causing |
|
|
124
|
Wed Jun 14 15:35:36 2023 |
Pamella | Update | VAC | Heating system installation | [Pamella and Cao]
Heating system
installation - Second day.
Today we kept installing the equipment |
|
|
433
|
Tue Sep 3 15:52:56 2024 |
Luke | Update | VAC | Heater tape initilization | [Luke, Tyler, Jon]
On the 3rd we set up the pid controllers
for the heater tapes and after putting on |
|
|
119
|
Mon Jun 12 18:52:00 2023 |
Pamella | Update | General | Heater system parts - Wiped and bagged | [Pamella]
Cleaning the heater system
parts.
04:32 pm: Started wiping the
heater system parts.
06:38 pm: |
|
|
128
|
Tue Jun 20 17:28:23 2023 |
Pamella | Update | Electronics | Heater system parts - Wiped | [Pamella]
Heating system
Wiping the heater system parts.
04:37 pm: Started wiping the electronic |
|
|
122
|
Tue Jun 13 21:08:46 2023 |
Pamella | Infrastructure | VAC | Heater system - Installation | [Pamella, Cao and Jon]
Heating system
installation
Today we
started installing the equipments for the |
|
|
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 |
|
|
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. |
|
|
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.
|
|
|
328
|
Mon Feb 19 14:17:50 2024 |
Aiden | Update | VAC | Heater Element RGA Scan | Three days after the completion of Bake 11,
the Heater elements RGA scan looks much cleaner.
The HC level is back down to 33 e-10 torrl/s |
|
|
7
|
Mon Jul 11 14:29:45 2022 |
Jon | Omnistructure | General | HEPA filter installed | Today I unpacked and installed the new HEPA
filter for the lab. It is an Omni CleanAir
OCA1210 capable of 1200 CFM. This flow rate |
|
|
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.
|
|
|
82
|
Thu Apr 27 21:43:07 2023 |
Jon | Physics | VAC | Grounding vacuum system | This afternoon I made up a green 10 AWG
grounding cable and connected it to the vacuum
system. |
|
|
84
|
Fri Apr 28 18:16:57 2023 |
Cao | Physics | VAC | Grounding vacuum system |
|
|
|
187
|
Tue Aug 1 16:22:35 2023 |
Celeste | Update | TCS | Graphical Updates to HOM RH Modification, Tuesday 8/1 | Slides 20-33 are newly added (data/graphs
from parameter sweep feature-1/8th heater
unit length varied from 10% of original to |
|
|
180
|
Fri Jul 28 17:45:45 2023 |
Celeste | Update | TCS | Graphical Updates to HOM RH Modification, Friday 7/28 | Updated 1/8th Heater simulation modification
graphs. Slides 7, 10, 16-19 are new additions. |
|