| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
12
|
Mon Nov 28 18:10:23 2022 |
shane | Update | ELOG | Particle counts in the clean room | Particle count stats for the clean room Nov
28, 2022:
Took 10 sample runs in each of
5 regions in the clean room (5 runs per region |
|
|
19
|
Fri Feb 3 13:04:04 2023 |
shane | Summary | General | clean room particle counts 1/25/23 | Clean room count graphs for each zone (as
of January 25, 2023) attached |
|
|
71
|
Wed Apr 12 16:17:50 2023 |
shane | Update | General | Particle Counter moved | With the added height of the new docking station,
the particle counter no longer fits under
the Windows monitor in the electronics rack |
|
|
178
|
Fri Jul 28 13:39:39 2023 |
shane | Update | Cleanroom | full 5 zone cleanroom particle count | Here's the 5 zone cleanroom measurement from
today. |
|
|
193
|
Mon Aug 7 13:58:46 2023 |
shane | Update | CDS | internal power supply cables done for AI chassis | Finished assembling and installing the aLigo
chassis internal power supply cables in the
anti-imaging chassis today. Tested for continuity |
|
|
260
|
Thu Nov 9 19:06:46 2023 |
shane | Update | Cleanroom | 5 zone cleanroom measurement | Here's today's five zone measurement, taken
~5 hours after the cleaning. Zone 5 (closest
to fire cabinet and back wall) is a bit over |
|
|
262
|
Fri Nov 10 14:16:04 2023 |
shane | Update | Cleanroom | new cleanroom zone diagram | since the vac system has been moved and made
permanent, here's a new diagram of the cleanroom
zones. The zones themselves haven't moved, |
|
|
309
|
Thu Jan 18 18:06:49 2024 |
shane | Update | Cleanroom | cleanroom 5 zone particle count measurement | Here's today's full five zone measurement
of the cleanroom |
|
|
315
|
Fri Feb 2 19:18:24 2024 |
shane | Update | Cleanroom | cleanroom cleaning and particle count |
[Aiden, Shane,
Luis, Luke]
cleaning cleanroom
and particle count |
|
|
318
|
Wed Feb 7 12:43:22 2024 |
shane | Update | Cleanroom | cleanroom particle counts (full 5 zone measurement) | Here's today's full 5 zone measurement of
the cleanroom. Everything is back under the
requirement. |
|
|
365
|
Tue May 7 20:34:31 2024 |
shane | Update | CDS | frosti MEDM screen update | [Luis, Shane]
Here is the updated MEDM screen,
with new orientation and updated labeling
to reflect the actual positions of the heater |
|
|
505
|
Tue Jan 28 13:30:46 2025 |
shane | Update | CDS | Serial comms testing update | Attempted to communicate with the smaller
vac pump (TwissTor 74) via Agilent software
today. Was able to communicate with the pump |
|
|
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.
|
|
|
458
|
Tue Oct 15 15:27:38 2024 |
Xuesi Ma | Update | ELOG | Timing Chassis Update |
I conducted separate tests on the '5015'
and '3010a'. When powered individually, the
'5015' outputs a signal at 33.55 MHz with |
12x |
|
503
|
Mon Jan 27 11:29:38 2025 |
Xuesi Ma | Update | | Heater Element Test | [Ma, Cece, Luke, Mary, Shane]
On Friday (Jan 24), we installed
the heater elements on the stand. The heater |
|
|
504
|
Mon Jan 27 23:35:28 2025 |
Xuesi Ma | Update | | | [Ma]
Installed all the pins to the peek
DB 25 connectors |
|
|
506
|
Fri Jan 31 15:03:09 2025 |
Xuesi Ma | Update | | Heater Element Circuit Check |
table {
width:
100%;
border-collapse: collapse;
/* Merges borders into a single line */
|
|
|
508
|
Mon Feb 3 13:17:21 2025 |
Xuesi Ma | Update | | | [Ma]
changed all zip ties to peek zip
ties, and grouped wires together. The setup |
|
|
514
|
Tue Feb 18 10:01:07 2025 |
Xuesi Ma | Update | | | [Ma, Pooyan, Tyler]
On Friday, we connected the vacuum
chamber with the Cymac. |
|
|
515
|
Tue Feb 18 10:02:16 2025 |
Xuesi Ma | Update | | Group Meeting Slides 2/18/2025 | https://docs.google.com/presentation/d/1WiV2VqS0BzXNCK6VYYQ-Ty8xlHnzXatQaFbMf1-0rsY/edit?usp=sharing |
|
|
525
|
Tue Feb 25 10:02:32 2025 |
Xuesi Ma | Update | | | 1424039912.625576 2025/02/19 22:38:14 UTC Time
start
24V 2.8A right after start all 8 |
|
|
528
|
Tue Mar 4 03:05:42 2025 |
Xuesi Ma | Update | ELOG | LOG | 1424564097.243212 2025/02/26 00:14:39 UTC Time
start
12V 2A right after start all 8 elements |
|
|
529
|
Tue Mar 4 03:33:18 2025 |
Xuesi Ma | Update | | Update | Spikes Appear Again, need to address it
systematically.
Power on and off before reaching |
6x |
|
539
|
Tue Mar 11 10:43:57 2025 |
Xuesi Ma | Update | | | Continue investigation in the spikes
Pulsed ADC with a function generator
and find no spikes. Rules out ADC for causing |
|
|
544
|
Mon Mar 31 15:41:56 2025 |
Xuesi Ma | Update | | | The result from AI Chassis bypass test
showed that the AI Chassis may be the problem.
There are no spikes from DAC's direct output. |
|
|
389
|
Fri Jun 28 10:43:13 2024 |
Xuejun | Update | Cleanroom | Frosti | [Xuejun, Tyler]
We moved Frosti into
the cleanroom and debugged it to make sure
everything was working. One of the DB25 pins |
|
|
396
|
Mon Jul 8 10:39:14 2024 |
Xuejun | Update | FLIR | Average Temperature Profile | After taking data for each of the individual
heater elements, I imported them into python
and overlayed them to produce an average |
|
|
421
|
Tue Aug 6 13:07:07 2024 |
Xuejun | Update | Interferometer Simulations | | [Xuejun]
The width and location of
the measured in-air change in temperature
profile has been determined to be 0.045m |
|
|
235
|
Mon Oct 9 11:29:37 2023 |
Tyler | Update | Electronics | PSD/CSD Plot Updates | Continuing from Sophia's SURF Project this
summer: Plotting the Power-Spectral Densities
(PSDs) and Cross-Spectral Densities of two |
|
|
243
|
Mon Oct 23 11:28:05 2023 |
Tyler | Update | Cameras | FLIR Camera Code Updates | The past week I've been spending time going
through the FLIR code on gitlab. Initially,
it had appeared that our measurements with |
|
|
249
|
Mon Oct 30 11:03:56 2023 |
Tyler | Update | Scripts/Programs | |
FLIR: After some adjustments, the plot
generated from the FLIR measurements look
much more symmetric (see attachment). There |
|
|
255
|
Mon Nov 6 11:29:24 2023 |
Tyler | Update | Electronics | Preliminary RTD Calculations, RP Software Update |
Preliminary RTD calculations are shown
below, given an input of 10 V and desiring
a few mA of current. It looks like R_ref |
|
|
264
|
Mon Nov 13 11:07:50 2023 |
Tyler | Update | VAC | RTD Analysis |
After initial analysis from last week
on a single RTD, I then extended to looking
at all 8 in series with R_ref (set to 1 kOhm). |
|
|
271
|
Mon Nov 20 10:10:50 2023 |
Tyler | Configuration | Electronics | RTD Logic/Schematic Diagrams |
Below are a basic diagram of what the
RTD measurement circuit logically looks like
and an example schematic of the actual wiring. |
|
|
274
|
Tue Nov 21 14:47:24 2023 |
Tyler | Update | Lore | 1129 Workbench Assembly Update 1 |
[Tyler, Shane, Mohak, Cynthia, Luke,
Michael, Luis]
Started assembly of the workbench |
|
|
278
|
Mon Nov 27 14:22:30 2023 |
Tyler | Update | Lore | 1129 Assembly Update | [Tyler, Michael, Luke, Cynthia]
The
tabletops have been attached to the workbench
frames. Unfortunately, one of the tabletops |
|
|
281
|
Thu Nov 30 13:50:32 2023 |
Tyler | Update | Lore | Workbench Assembly Completed | [Tyler, Luke, Aiden]
The workbenches
are now completely assembled and put into
their final places. Additionally, the tool |
|
|
300
|
Tue Jan 9 12:08:59 2024 |
Tyler | Configuration | Electronics | RTD Readout Chassis Update |
Below is the current state of the RTD
readout chassis wiring. Initial continuity
tests seem good, will run through one more |
|
|
305
|
Tue Jan 16 12:20:21 2024 |
Tyler | Configuration | Electronics | RTD Readout Chassis Update 2 |
I performed another continuity test on
the RTD chassis wiring, and everything seems
to be set up correctly. The chassis should |
|
|
310
|
Tue Jan 23 12:17:41 2024 |
Tyler | Update | Electronics | RTD Chassis |
After updating the wiring in the RTD
Chassis, a signal is now seen at each ADC
input. However, there seems to be a discrepancy |
|
|
311
|
Tue Jan 30 11:36:19 2024 |
Tyler | Update | Electronics | RTD Chassis |
|
|
|
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.
|
|
|
324
|
Tue Feb 13 12:26:23 2024 |
Tyler | Update | Interferometer Simulations | BS Code Update | I reproduced Cao's CE beamsplitter code
(see below for example plots). I received
the current info on the beamsplitter parameters |
|
|
331
|
Tue Feb 20 11:31:49 2024 |
Tyler | Update | Cleanroom | Garment Cabinet Door Replacement | [Luis, Luke, Pooyan, Tyler]
The replacement
door for the HEPA garment cabinet arrived
last week, and was installed on Thursday. |
|
|
338
|
Fri Feb 23 18:03:27 2024 |
Tyler | Update | FLIR | Optical Test Setup in Cleanroom | [Tyler, Xuesi]
The FLIR and test mass
stand-in have been transferred into the cleanroom.
A software test will be run as soon as we |
|
|
344
|
Wed Feb 28 12:02:08 2024 |
Tyler | Update | General | Resistors for Heater Elements Update | Power Res (Ohm) RTD Res (Ohm)
Heater
1= 72.8; 80.6
Heater 2= 69.5; 80.8
Heater
3= 70; 83.2
Heater 4= 70.6; 78.7
Heater |
|
|
345
|
Wed Feb 28 17:49:18 2024 |
Tyler | Update | TCS | FROSTI Assembly - Days 2-3 | [Aiden, Jon, Luis, Luke, Michael, Tyler]
FROSTI
assembly was completed today. The RTD and
power wires were terminated at the DB-25 |
|
|
347
|
Wed Mar 6 09:57:52 2024 |
Tyler | Update | TCS | FROSTI Wiring | Upon finishing the FROSTI assembly last
week, we ran into some electrical issues.
An electrical short was found between two |
|
|
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). |
|
|
351
|
Thu Mar 21 16:56:42 2024 |
Tyler | Update | DAQ | RTD Parameter Calibration | [Jon,Tyler]
We noticed that the RTD
temperature readings given on the Cymac were
off, and traced the issue to miscalibration |
|