| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
357
|
Sun Apr 7 13:42:51 2024 |
Michael | Update | Interferometer Simulations | Update on status of gtrace project | [Pooyan, Michael]
After meeting and
discussing the current state of our work
with Prof. Fulda a few weeks ago, we have |
|
|
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. |
|
|
Draft
|
Sun Aug 4 09:01:01 2024 |
Michael | Update | Interferometer Simulations | Update on SRC Mode Mismatch Analysis | An update on my analysis to minimize mode
mismatch/scattering by introducing toroidal
mirrors to the SRC. |
|
|
174
|
Thu Jul 27 11:28:36 2023 |
Sophia | Update | Scripts/Programs | Update on Laser Noise Data Collection and Analysis: Dynamic CSD and PSD Plots | This week I have successfully been able to
implement our dynamic CSD and PSD plotting
code, but along the way I encountered a few |
|
|
175
|
Thu Jul 27 14:11:42 2023 |
Sophia | Update | Scripts/Programs | Update on Laser Noise Data Collection and Analysis: Dynamic CSD and PSD Plots | Here's a screen recording of the dynamic raw
data and PSD/CSD plots as they are now. Will
begin working on implementing a code to generate |
|
|
183
|
Mon Jul 31 19:27:30 2023 |
Sophia | Update | Scripts/Programs | Update on Laser Noise Data Collection and Analysis: Dynamic CSD and PSD Plots | An update on the CSD/PSD code:
The code
is now taking a dynamic average of the points,
and that has significantly reduced the noise |
|
|
186
|
Tue Aug 1 15:44:31 2023 |
Sophia | Update | Scripts/Programs | Update on Laser Noise Data Collection and Analysis: Dynamic CSD and PSD Plots | We have identified two problems facing the
intensity noise calculations, which we are
working to solve.
The first of these |
6x |
|
194
|
Mon Aug 7 15:36:18 2023 |
Sophia | Update | Scripts/Programs | Update on Laser Noise Data Collection and Analysis: Dynamic CSD and PSD Plots | Today I was able to fix the red pitaya's plotting
problem, and get my code to recognize driving
frequencies from the function generator to |
7x |
|
206
|
Tue Aug 15 10:35:00 2023 |
Sophia | Update | Scripts/Programs | Update on Laser Noise Data Collection and Analysis: Dynamic CSD and PSD Plots | I have successfully added a button to my graphics,
but it has posed a strange issue with the
CSD and PSD values. When I plot my original |
|
|
207
|
Tue Aug 15 13:32:37 2023 |
Sophia | Update | Scripts/Programs | Update on Laser Noise Data Collection and Analysis: Dynamic CSD and PSD Plots | I have now fixed all issues that I was having
this morning, and have added text boxes which
show the peak values of both PSD's and the |
|
|
162
|
Tue Jul 18 14:13:46 2023 |
Sophia | Update | Scripts/Programs | Update on Laser Noise Data Collection and Analysis | We [Sophia and Tyler] have found a code which
will partition our data and generate PSD's
and CSD's automatically. We are now in the |
6x |
|
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. |
|
|
196
|
Tue Aug 8 16:47:11 2023 |
Sophia | Update | Scripts/Programs | Update on Dynamic CSD and PSD Plots | We have fixed our rapid plotting error, and
realized that this has not been affecting
our data intake! Below is a video of the |
|
|
436
|
Mon Sep 9 12:36:45 2024 |
Michael | Update | Interferometer Simulations | Update on Analysis of Mode Mismatch Minimization in A# | I have taken a closer look at the solution
curve in the mirror parameter space which
I have searched, focusing on the "resilience" |
|
|
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 |
|
546
|
Thu Apr 3 13:23:37 2025 |
shane | Update | CDS | UPS interfacing | Update on UPS serial interfacing: the driver
for the UPS webcard has been installed on
spica (for UPS1 in room 1119) and logrus |
|
|
473
|
Thu Nov 14 11:58:05 2024 |
Shane | Update | CDS | Turbo pump connection troubleshooting | Attempted connection to the TV551 turbo pump
through Varian/Agilent's software on spica.
Successful connection established, and we |
|
|
225
|
Thu Sep 14 17:05:38 2023 |
Shane, Jon | Update | CDS | Timing chassis setup and testing | Tested the setup today for the timing chassis
(intended to provide the timing reference
for the CyMAC). Was able to read the correct |
|
|
231
|
Fri Sep 29 17:27:30 2023 |
Shane, Jon | Update | CDS | Timing chassis assembly progress (CyMAC) | Worked on timing chassis assembly today for
the CyMAC, settled on layout (see attachment
1). Frequency synthesizer and frequency divider |
|
|
244
|
Mon Oct 23 18:02:23 2023 |
Shane, Jon | Update | CDS | Timing chassis assembly complete | Concluded assembly of timing chassis for CyMAC
today; see attachment 1 for interior set
up of chassis. Installed front and rear panels, |
|
|
461
|
Thu Oct 17 13:24:23 2024 |
Shane | Update | CDS | Timing Chassis issue identified |
[Ma,
Luis, Shane]
Working theory for the
timing chassis issues had been that the 1A |
|
|
465
|
Fri Oct 25 10:56:30 2024 |
Shane | Update | CDS | Timing Chassis fixed and reinstalled |
[Ma, Shane]
We
replaced the 1A breaker in the timing chassis
today with a 4A one, and tested that all |
|
|
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 |
|
85
|
Fri Apr 28 19:00:13 2023 |
Cao | Physics | VAC | Tighten CF ports on vacuum chamber | [Cao]
After Jon's comment yesterday
that some of the connection did not seem
to have good metal-metal contact, in particular |
|
|
159
|
Mon Jul 17 11:46:24 2023 |
Pamella | Update | FLIR | Thermocouple plot. | [Pamella]
I collected data to plot
a calibration with the heater. I took measurements
with current and temperature (the thermocouple |
|
|
164
|
Tue Jul 18 16:12:27 2023 |
Pamella | Update | FLIR | Thermocouple plot. | I noticed that these measurements
have some issues with the weather on different
days. We can see in the photo attached below |
|
|
10
|
Wed Aug 17 16:04:30 2022 |
Phoebe Zyla | Summary | Lore | Testing the Cartridge Heater and Collecting FLIR Data | We have tested the heater to find emissivity,
mounted the heater system to the optical
table, and have taken irradiance maps of |
|
|
275
|
Tue Nov 21 22:09:44 2023 |
Aiden | Update | General | Testing Parts | [Aiden, Luis]
Luis and Aiden vented
the chamber today. We closed off the RGA
section and then proceeded to open the the |
8x |
|
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 |
|
|
407
|
Mon Jul 15 14:49:06 2024 |
Pooyan | Update | Computers | Synology NAS server setup | Installed a Synology NAS server (Synology
RackStation RS1221) in lab room 1129, with
host name “scribe” and ip “192.168.1.17”. |
|
|
478
|
Wed Nov 27 12:27:45 2024 |
Luke | Summary | VAC | Summary of vacuum work | [Luke, Luis]
Update of current state of vacuum
chamber |
|
|
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 |
|
|
438
|
Mon Sep 9 21:02:37 2024 |
Luke | Update | VAC | Steadystate temperature of flanges | I measured the temperature of the flanges
and reconnected the RGA turning on its filament.
I then turned off the PID controllers. |
|
|
482
|
Mon Dec 2 00:11:23 2024 |
Michael | Update | Interferometer Simulations | Status Update on Toroidal Mirrors Project Work | As it has been significant time from my last
update on this project, I compiled a few
notes about what I have been working on, |
|
|
480
|
Wed Nov 27 16:23:58 2024 |
Luke | Update | VAC | Started bake | [Luke, Luis]
The
vacuum chamber is currently baking. |
|
|
509
|
Fri Feb 7 12:25:56 2025 |
Luke | Summary | VAC | Started bake | [Luke, Luis]
The
vacuum chamber is currently baking. |
|
|
129
|
Tue Jun 20 22:14:24 2023 |
Pamella, Cao | Infrastructure | VAC | Short term testing of vacuum heater controller units | [Pamella, Cao]
Fuse replacement
Replace blown 10A fuse
in ucontroller outside cleanroom
|
|
|
322
|
Tue Feb 13 04:05:32 2024 |
Michael | Update | Interferometer Simulations | Shoelaces 1 Layout Simulated in GTrace | I've worked on and have completed a first
simulation of Cosmic Explorer's Shoelaces
1 layout. This is based off of Pooyan's original |
|
|
163
|
Tue Jul 18 16:04:26 2023 |
Pamella | Update | FLIR | Setup FLIR with black wall (black body) | [Pamella]
Today I tried get data
the heater with the black screen but doesn't
looks possible have just one "energy" point |
|
|
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 |
|
|
419
|
Fri Aug 2 13:50:22 2024 |
Shane | Update | CDS | Serial Comm. Test (Agilent Turbo Pump) | Did a brief communication test with the agilent
turbo pump today, to see if we could get
serial communications up and running for |
|
|
358
|
Mon Apr 8 14:43:29 2024 |
Pooyan | Update | Interferometer Simulations | SIS update single and coupled cavities | [Pooyan, Cynthia]
Attached is a brief
recap PDF file. A video file showing separate
HOMs plots for the cavity scan with ETM08 |
|
|
381
|
Mon Jun 24 14:28:51 2024 |
Cynthia | Update | Interferometer Simulations | SIS cavity with thermal effect | tried to run a cavity scan with thermal deformation
and ring heater for ITM04 ETM08 (aLIGO mirrors).
Not sure about the accuracy of the graph |
|
|
444
|
Mon Sep 23 08:29:49 2024 |
Luke | Update | Interferometer Simulations | Ringheater update |
Ringheater
Update
If the link does not work here is |
|
|
513
|
Sun Feb 16 16:45:18 2025 |
Luke | Update | General | Ringheater position optimization | Over the last couple weeks I have been
working on finding the optimal position of
the ringheater's thermal profile. |
|
|
423
|
Mon Aug 12 16:35:30 2024 |
Luke | Update | | Ringheater modeling Update | |
|
|
452
|
Wed Oct 2 12:05:42 2024 |
Luke | Update | | Ringheater modeling Update | Power
point slides |
|
|
502
|
Sat Jan 25 18:19:39 2025 |
Luke | Update | General | Ringheater modeling Update | Here
is a quick update on some of the things I
have been working on regarding my project. |
|
|
521
|
Sun Feb 23 16:00:07 2025 |
Luke | Update | Scripts/Programs | Ringheater modeling Update | These are some plots:
The first shows the convergence of
the 02 mode reducing the size of the mesh. |
|
|
430
|
Tue Aug 27 18:37:40 2024 |
Luke | Update | Interferometer Simulations | Ringheater model update | Updated the model to produce a more circular
deformation in the HR surface. The first
three attachments are from irradiance patterns |
|