| 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 |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
13
|
Wed Dec 14 17:35:41 2022 |
Jon | Infrastructure | Computers | Windows Laptop | I set up the new Windows 10 laptop (pictured
below), which arrived yesterday. This laptop
is intended to be used for running lightweight |
|
|
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 |
|
|
24
|
Tue Feb 7 17:44:17 2023 |
Jon | Infrastructure | Computers | Workstation 1 (ws1) set up | The Linux workstation (ws1) that used to sit
on the old workbench has been mounted on
the new electronics bench and is now ready |
|
|
39
|
Wed Mar 1 21:27:20 2023 |
Jon | Infrastructure | Cleanroom | Over-table shelf height raised | Jon, Cao
Today we raised the height of the
shelf overhanging the cleanroom laser table |
|
|
40
|
Wed Mar 1 21:50:46 2023 |
Jon | Infrastructure | Computers | Workstation 2 (ws2) mounted on cleanroom cart | The Linux workstation (ws2) that used to
sit on the blue workbench (now inside the
cleanroom) has been mounted on a mobile cart, |
|
|
44
|
Mon Mar 6 15:32:58 2023 |
Jon | Infrastructure | General | Cabinet installation completed | Jon, Cao, Peter
This morning Facilities delivered
and installed two new cabinets with sliding |
|
|
53
|
Wed Mar 22 12:16:20 2023 |
Jon | Infrastructure | Cleanroom | Experimenting with HEPA fan speeds | Jon, Cao
In effort to try to reduce the noise
level inside the cleanroom, we have dialed |
|
|
56
|
Fri Mar 24 07:14:38 2023 |
Jon | Infrastructure | Computers | Workstation 2 (ws2) mounted on cleanroom cart | The ws2 cart has been thoroughly wiped down
with IPA wipes and moved inside the cleanroom.
I have reconnected it to power and Ethernet |
|
|
63
|
Tue Apr 4 16:43:53 2023 |
Jon | Update | VLC Electronics | Additional Thorlabs PDA10A2 | I ordered a second PDA10A2 and mounting post
+ spacer (which puts the aperture at the
VLC's standard 3" beam height). These arrived |
|
|
64
|
Tue Apr 4 16:52:08 2023 |
Jon | Update | Cleanroom | Particle counter docking station | Due to the problems we have encountered trying
to serially communicate directly with the
Met One DR-528 particle counter, I went ahead |
|
|
74
|
Fri Apr 21 00:06:43 2023 |
Jon | Update | VAC | Vacuum prep and installation - parts have arrived | The two parts needed to complete the vacuum
assembly (ELOG
70) have arrived. |
|
|
78
|
Tue Apr 25 11:56:37 2023 |
Jon | Update | VLC Electronics | Red Pataya has arrived | The Red Pataya 125-14 starter kit that we
ordered for locking the 532 nm cavity has
arrived. I left it laying on the optical |
|
|
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. |
|