| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
545
|
Tue Apr 1 11:47:08 2025 |
Liu | Update | | | |
|
|
549
|
Tue Apr 8 10:47:10 2025 |
Liu | Update | General | Test Mass Thermal State Decoder Update | |
|
|
552
|
Tue Apr 15 11:09:37 2025 |
Liu | Update | FLIR | Test Mass Thermal State Decoder Update with robustness study | |
|
|
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 |
|
|
558
|
Tue Apr 22 11:04:31 2025 |
Liu | Update | Interferometer Simulations | Test Mass Thermal State Decoder Update with Interferometer Operation | |
|
|
564
|
Tue Apr 29 10:59:25 2025 |
Liu | Update | Interferometer Simulations | Test Mass Thermal State Decoder with Updated Comparison Cases | |
|
|
598
|
Tue Jun 24 13:47:58 2025 |
Liu | Update | Interferometer Simulations | Alternative FROSTI A# optimization approach | Alternative FROSTI A# optimization approach |
|
|
616
|
Tue Jul 29 11:27:57 2025 |
Liu | Update | Interferometer Simulations | Multi-ring FROSTI optimization for A# | |
|
|
622
|
Tue Aug 5 12:21:04 2025 |
Liu | Update | Interferometer Simulations | FROSTI A# optimization | A# multi-ring FROSTI optimization |
|
|
625
|
Tue Aug 12 12:16:21 2025 |
Liu | Update | Interferometer Simulations | Multi-ring FROSTI optimization for A# | Multi-ring FROSTI optimization for A# with
static polishing |
|
|
628
|
Tue Aug 12 13:32:43 2025 |
Liu | Update | Interferometer Simulations | | Differences in Fused Silica parameters. |
|
|
633
|
Tue Aug 26 12:14:24 2025 |
Liu | Update | Interferometer Simulations | Multi-ring FROSTI design for A# with ring heater optimization | Multi-ring FROSTI design for A# with ring
heater optimization |
|
|
639
|
Tue Sep 2 12:41:33 2025 |
Liu | Update | Interferometer Simulations | Multi-ring FROSTI design for A# with ring heater optimization | [Tyler, Liu]
Ring heater optimization,
continued |
|
|
640
|
Tue Sep 2 18:33:38 2025 |
Liu | Infrastructure | General | New lab room 1125 layout and measurement | Action items for facilities
Ceiling lights replacement
Fume |
|
|
643
|
Tue Sep 9 12:13:38 2025 |
Liu | Update | Interferometer Simulations | Multi-ring FROSTI optimization for A# with grid search | Multi-ring FROSTI optimization based on IFO
metrics for A# with grid search |
|
|
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. |
|
|
94
|
Tue May 9 15:49:20 2023 |
Jon | Infrastructure | VAC | Permanent cable routing | Today I brought in a fresh supply of zip
ties (we now have 1500 in the tool chest)
and used them to permanentize the cable routing |
|
|
95
|
Tue May 9 20:55:12 2023 |
Jon | Infrastructure | VAC | Calibrated Ar leak rate | For future reference, the calibrated Argon
source has a leak rate of 7.55E-8
atm cc/s, or equivalently |
|
|
136
|
Tue Jun 27 21:47:56 2023 |
Jon | Infrastructure | VAC | Vacuum chamber bake attempt 1 | The electrical overload problem encountered
in ELOG 130
has been resolved. The two heater controllers, |
|
|
154
|
Thu Jul 13 15:31:21 2023 |
Jon | Update | General | Ant traps placed around lab | In response to reports that ants have been
observed in the lab, I placed five ant bait
traps around the room today. Each is sitting |
|
|
155
|
Thu Jul 13 16:59:03 2023 |
Jon | Update | General | Ant traps placed around lab | Update: After seeing the
strong response to the first set, I redistributed
them to the hottest spots and added one more |
|