| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
459
|
Wed Oct 16 13:58:59 2024 |
Luis Martin | Update | VAC | RGA Scan | The following figure displays data acquired
on 10/09, and it shows that we are no longer
below the cleanliness standard. Also, the |
|
|
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 |
|
|
463
|
Wed Oct 23 12:08:36 2024 |
Luis Martin | Update | VAC | RGA Scan | [Luke, Luis, Mary, Ma]
On 10/22/24 Luke, Ma, Mary and myself
ran a RGA scan, the results are displayed |
|
|
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 |
|
|
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 |
|
|
485
|
Thu Dec 5 10:31:13 2024 |
Luis | Update | VAC | RGA Scan and RGA updates |
|
|
|
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 |
|
|
487
|
Wed Dec 11 16:06:05 2024 |
Luis | Update | VAC | RGA Status | [Luis]
I rebooted Spica and I
was able to connect the RGA again. After
Connecting the RGA, I left the filament on. |
|
|
488
|
Thu Dec 12 13:06:39 2024 |
Luis | Update | VAC | RGA Scan and vacuum system updates | [Luis, Luke]
RGA Volume:
T = 21°C, P = 1.74e-9 Torr |
|
|
489
|
Sat Dec 14 07:58:25 2024 |
Luis | Update | VAC | Vacuum sytem staus and Viton O-rings | [Luis]
RGA Volume:
T = 23°C, P = 1.71e-9 Torr
Main Volume: |
|
|
490
|
Mon Dec 16 21:32:21 2024 |
Luis | Update | VAC | MR Testing | [Luis, Luke]
The MR material was
placed in the vacuum chamber following standard
procedures to ensure the vacuum remained |
|
|
491
|
Tue Dec 17 13:53:53 2024 |
Luis | Update | VAC | Vacuum system status | [Luis]
The vacuum system is being
baked. I disconnected the digital gages and
the magnets, opened the Ar leak and started |
|
|
494
|
Sun Dec 22 20:43:35 2024 |
Luis | Update | VAC | MR Testing | [Luis, Luke]
RGA Volume:
T = 23°C, P = 3.0e-9 Torr
Main Volume: |
|
|
496
|
Thu Jan 2 17:52:58 2025 |
Luis | Update | VAC | MR Testing Continuation | [Luis, Luke]
RGA Volume:
T = 22°C, P = 2.10e-9 Torr
Main Volume: |
|
|
510
|
Tue Feb 11 08:07:02 2025 |
Luis | Update | VAC | Bake stopped | [Luis, Ma]
Feb/10/25 4:00pm
Bake was stopped. |
|
|
511
|
Fri Feb 14 11:57:50 2025 |
Luis | Update | VAC | Vacuum Update | [Luis]
Feb/11/25 9:30am
Pressure gages were connected. |
|
|
512
|
Fri Feb 14 12:15:23 2025 |
Luis | Update | VAC | Vacuum sytem staus |
[Luis, Luke, Ma]
February 12, 2025 - 4:00
PM |
|
|
519
|
Thu Feb 20 17:07:36 2025 |
Luis | Update | VAC | RGA Scan | [Ma, Luis]
February 20, 2025 - 3:30
PM |
|
|
522
|
Mon Feb 24 17:50:13 2025 |
Luis | Update | VAC | RGA Scan | [Ma, Luis]
February 24, 2025 - 1:00PM
Ma performed an RGA scan with |
|
|
376
|
Fri Jun 14 13:32:13 2024 |
Liu | Update | Scripts/Programs | COMSOL simulation on rectangular heater elements design | I have been looking at the feasibility
of an alternative heater element design for
FROSTI that replaces the original ring-like |
6x |
|
377
|
Mon Jun 17 11:47:46 2024 |
Liu | Infrastructure | General | Temporary cooling units for the labs | Below are the temporary cooling units installed
last week in labs 1119 and 1129. They are
the temp. replacement for the building AC |
|
|
380
|
Fri Jun 21 11:47:30 2024 |
Liu | Update | Scripts/Programs | COMSOL simulation on alternative straightened heater elements design | In the previous post, we saw
that for the heater element design with straight |
6x |
|
387
|
Thu Jun 27 11:09:14 2024 |
Liu | Update | Scripts/Programs | Straight edge STEP files and ray loss analysis | Drawings and CAD models of the straight-edge
designs are exported, and are visualized
in SOLIDWORKS. Two are attached. One is a |
|
|
393
|
Fri Jul 5 13:17:44 2024 |
Liu | Update | Interferometer Simulations | Four-quadrant FROSTI-like RH for astigmatic thermal actuation for CE optics | In the CE corner layout design and down selection
study, interferometer layouts with large
incidence angles on some of the curved optics |
7x |
|
394
|
Fri Jul 5 14:12:32 2024 |
Liu | Update | Interferometer Simulations | CE BS Mechanical Resonances | The butterfly and drumhead mechanical modes
for the aLIGO BS were calculated in COMSOL.
The resonant frequencies for the two acoustic |
|
|
395
|
Fri Jul 5 14:23:13 2024 |
Liu | Update | Interferometer Simulations | Engineering drawings for straight edge heater element designs for FROSTI | Step files and engineering drawings for the
straight edge heater element designs have
been created in COMSOL and SolidWorks. They |
|
|
404
|
Mon Jul 15 09:36:44 2024 |
Liu | Update | Interferometer Simulations | ETM Profile Optimization for FROSTI | This is to optimize the FROSTI heating
profile for ETM, by minimizing the residual
RMSE of the HR surface deformation after |
|
|
413
|
Mon Jul 29 12:18:52 2024 |
Liu | Update | Interferometer Simulations | Update on FROSTI O5 ETM profile optimization | Update on FROSTI O5 ETM profile optimization
is attached. |
|
|
414
|
Mon Jul 29 12:20:56 2024 |
Liu | Update | Interferometer Simulations | Update on wavefront actuation with astigmatically driven RH for CE | Update on wavefront actuation with astigmatically
driven RH for CE is attached. |
|
|
415
|
Mon Jul 29 12:23:10 2024 |
Liu | Update | Interferometer Simulations | Update on mechanical resonances of CE BS with stiffener ring | Update on mechanical resonances of CE BS with
stiffener ring is attached. |
|
|
455
|
Wed Oct 2 14:49:59 2024 |
Liu | Update | | FROSTI ETM actuation | Proposed FROSTI ETM actuation on the HOM7
resonance.
Animation |
|
|
460
|
Wed Oct 16 14:13:31 2024 |
Liu | Update | | FROSTI with non uniform absorption scattering sources | Slides |
|
|
469
|
Wed Nov 6 13:48:55 2024 |
Liu | Update | Interferometer Simulations | QN modeling update | Slides |
|
|
545
|
Tue Apr 1 11:47:08 2025 |
Liu | Update | | | |
|
|
91
|
Wed May 3 19:03:47 2023 |
Julian,Pamella and Cao | Physics | VAC | Modify vacuum asssembly and install RGA | [Pamella, Julian, Cao]
Today we
started re-configuring the vacuum chamber
components.
Particle count |
|
|
18
|
Fri Jan 27 18:44:31 2023 |
Julian | Update | General | Vacuum Chanmber Cleaning | I used the IPA wipes to wipe down the inside
of the chamber the best I could. I cleaned
the main chamber but not any of the connecting |
|
|
15
|
Wed Jan 18 22:06:05 2023 |
Julian | Update | ELOG | Cleanroom Update | I wiped down all the inner walls of the cleanroom
using alcohol wipes, as per Cao's instruction. |
|
|
22
|
Mon Feb 6 20:02:32 2023 |
Julian | Update | General | Cleanroom Update | I wiped down the main table (including frame,
legs, and transparent shelf) and workbench
using alcohol wipes. Once I cleaned all of |
|
|
27
|
Sat Feb 11 00:17:27 2023 |
Julian | Update | General | Vacuum Chamber Cleaning | Today I finished wiping down the rest of the
vacuum chamber, specifically focusing on
the connecting ports and outside surface |
|
|
33
|
Thu Feb 23 21:12:33 2023 |
Julian | Update | General | Vacuum Chamber Cleaning | Today I was able to come in and wipe down
both sides of the vacuum chamber lid using
the regular alcohol wipes and also wipes |
|
|
41
|
Thu Mar 2 20:53:56 2023 |
Julian | Update | General | Cleanroom Update | Today Pamella and Julian began the final cleaning
of the cleanroom, starting with the HEPA
vacuuming and mopping then wiping down every |
|
|
43
|
Sat Mar 4 00:34:46 2023 |
Julian | Update | General | Cleanroom Update | Today I was able to finish cleaning the frame
of the laser table, and for good measure
I wiped down the tabletop and exterior of |
|
|
55
|
Thu Mar 23 18:40:08 2023 |
Julian | Update | General | Cleanroom Update | Today Pamella and I came in to Hepa vacuum
and mop the floor of the cleanroom for general
maintenance. |
|
|
90
|
Tue May 2 17:03:14 2023 |
Jon, Cao | Physics | VAC | First pump-down test of vacuum chamber | [Jon, Cao]
1. Re-routing of cables
|
|
|
138
|
Thu Jun 29 18:27:26 2023 |
Jon, Cao | Infrastructure | VAC | Vacuum bake attempt 3: success! | [Jon, Cao]
Summary : We resolved
problems with heaters tripping power and
were able to proceed with chamber baking
|
|
|
265
|
Mon Nov 13 11:23:54 2023 |
Jon | Update | CDS | CyMAC testing | [Jon, Shane, Luis]
My repair of the internal ribbon
connecting the ADC to the adapter board resolved |
|
|
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 |
|
|
3
|
Thu Jun 2 21:55:02 2022 |
Jon | Update | Cameras | FLIR Camera Setup | The new FLIR A70 infrared camera has arrived.
Tyler and I unpacked it in the lab yesterday.
In less than an hour, we succeeded in powering |
|
|
4
|
Fri Jun 3 13:03:33 2022 |
Jon | Update | Cameras | FLIR Camera Setup | Summary
I have installed the
requisite software on chimay for interfacing
the FLIR A70 camera in Python. There are |
|
|
5
|
Mon Jun 6 17:11:48 2022 |
Jon | Update | Cameras | FLIR Camera Setup | Today I tested the Spinnaker/PySpin software
installations (detailed in ELOG
#4) with the FLIR camera connected to |
|