| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
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 |
|
|
431
|
Thu Aug 29 16:39:34 2024 |
Luke | Update | VAC | Photos of heater tape | |
6x |
|
432
|
Sun Sep 1 16:17:40 2024 |
Luke | Update | VAC | Vacuum chamber leak checking and re-applying heating tape | [Luke, Luis, Cinthia, Michal, Tyler]
On the 26th Cinthia, Michal, and
I took off the insolation on the vacuum chamber |
|
|
433
|
Tue Sep 3 15:52:56 2024 |
Luke | Update | VAC | Heater tape initilization | [Luke, Tyler, Jon]
On the 3rd we set up the pid controllers
for the heater tapes and after putting on |
|
|
434
|
Tue Sep 3 18:24:17 2024 |
Tyler | Update | CDS | Cymac Timing Chassis Issue | [Tyler, Jon]
The timing chassis used
for the cymac has been shut off due to an
unknown issue causing its supplied current |
|
|
435
|
Fri Sep 6 14:34:52 2024 |
Luke | Update | VAC | Heating tape work | On the 5th I had tried to start baking
the vacuum chamber however certain parts
of the chamber were getting too hot and causing |
|
|
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" |
|
|
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. |
|
|
439
|
Mon Sep 16 07:28:16 2024 |
Luke | Update | Interferometer Simulations | Ring heater update | |
|
|
440
|
Mon Sep 16 13:51:23 2024 |
Luis Martin | Update | VAC | RGA Scans |
|
|
|
442
|
Mon Sep 16 14:59:51 2024 |
Tyler | Update | TCS | FLIR RIN Update 09/16 |
Below is the dark noise spectrum of the
Red Pitaya, which was measured over the course
of a weekend. Additionally, I have successfully |
|
|
443
|
Mon Sep 16 15:18:59 2024 |
Cynthia | Update | Interferometer Simulations | a breakdown of FROSTI and thermal effects and the resulting cavity scan | |
|
|
444
|
Mon Sep 23 08:29:49 2024 |
Luke | Update | Interferometer Simulations | Ringheater update |
Ringheater
Update
If the link does not work here is |
|
|
446
|
Mon Sep 23 15:00:41 2024 |
Cynthia | Update | Interferometer Simulations | corrections on assumption for O5 coating | The document recording ETM07 and ETM08 coating
(T2300093) was discussed:
the current
plume files are not necessarily correct in |
|
|
447
|
Mon Sep 23 15:11:21 2024 |
Tyler | Update | Scripts/Programs | Effective Emissivity Analysis and RIN Update | A quick update on the effective emissivity
analysis for the CIT FROSTI testing:
I was able to (roughly) match |
|
|
448
|
Wed Sep 25 09:06:09 2024 |
Luis Martin | Update | VAC | RGA Scans |
|
|
|
Draft
|
Tue Oct 1 19:41:23 2024 |
Shane | Update | CDS | CyMAC Timing Chassis Issue | [Shane, Luis]
Summary of the issue we've
been having with the timing chassis: when
we connect only the Valon 5015 to power, |
|
|
452
|
Wed Oct 2 12:05:42 2024 |
Luke | Update | | Ringheater modeling Update | Power
point slides |
|
|
453
|
Wed Oct 2 12:20:43 2024 |
Tyler | Update | TCS | Updated FROSTI Analysis 10/02/2024 | Attached below are updates on current FROSTI
prototype analysis. |
|
|
454
|
Wed Oct 2 13:38:00 2024 |
Cynthia | Update | Interferometer Simulations | cavity scan with averaged O4 ETM coating as plume | |
|
|
455
|
Wed Oct 2 14:49:59 2024 |
Liu | Update | | FROSTI ETM actuation | Proposed FROSTI ETM actuation on the HOM7
resonance.
Animation |
|
|
456
|
Thu Oct 3 19:35:04 2024 |
Shane | Update | Cleanroom | Cleanroom cleaning and particle count |
[Luke, Michael,
Cynthia, Mary]
cleaning cleanroom
and particle count |
|
|
457
|
Wed Oct 9 13:52:31 2024 |
Tyler | Update | TCS | RIN Update 10/09/2024 | I tried adjusting the gain settings on
the photodetectors to check if this would
help improve the RIN spectra measurements. |
|
|
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 |
|
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 |
|
|
460
|
Wed Oct 16 14:13:31 2024 |
Liu | Update | | FROSTI with non uniform absorption scattering sources | Slides |
|
|
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 |
|
|
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 |
|
|
Draft
|
Wed Oct 23 12:33:54 2024 |
Luke | Update | | Zernike calculation update | PowerPoint
slides new
PowerPoint |
|
|
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 |
|
|
466
|
Tue Oct 29 16:37:35 2024 |
Tyler | Update | Electronics | Red Pitaya OS Update | The Red Pitaya ecosystem has been upgraded
to OS 2.00-35, with a key feature
being greater freedom in adjusting the sampling |
|
|
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 |
|
|
469
|
Wed Nov 6 13:48:55 2024 |
Liu | Update | Interferometer Simulations | QN modeling update | Slides |
|
|
470
|
Wed Nov 13 14:03:32 2024 |
Tyler | Update | Electronics | RIN Update | [Tyler]
We've added two low-pass filters
in hopes of reducing any potential aliasing
that may be introducing additional noise |
|
|
471
|
Wed Nov 13 14:06:00 2024 |
Luke | Update | General | | slides |
|
|
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 |
|
|
474
|
Tue Nov 19 17:10:34 2024 |
Luke | Update | VAC | Leak check | Chamber temperature: 23C
Chamber Initial Pressure: ~1.8e-8
main, ~3.5e-8 rga |
|
|
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 |
|
|
477
|
Wed Nov 20 12:59:37 2024 |
Tyler | Update | Electronics | RIN Update | I went ahead and compared the noise spectrum
of the ADC to those of the photodetectors
with the FROSTI on and off. As discussed |
|
|
479
|
Wed Nov 27 13:48:01 2024 |
Tyler | Update | Electronics | RIN Update | [Tyler]
I downgraded the Red Pitaya
back to OS 2.00-18 due to runtime errors
during measurement. Once I did this, the |
|
|
480
|
Wed Nov 27 16:23:58 2024 |
Luke | Update | VAC | Started bake | [Luke, Luis]
The
vacuum chamber is currently baking. |
|
|
481
|
Sat Nov 30 12:41:42 2024 |
Luke | Update | VAC | Vacuum bake end | The
vacuum chamber has stopped bakeing.
Current state as of 12:10, 11/30/2024: |
|
|
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, |
|
|
483
|
Mon Dec 2 13:35:45 2024 |
Luke | Update | General | Clean and bake of Viton O-rings | [Luke, Luis]
We couldn't access the bake log on
the wiki. (see attached) So we looked in |
|
|
484
|
Wed Dec 4 16:01:23 2024 |
Shane | Update | CDS | Vac serial interfacing troubleshooting update | Update on the issue with serial interfacing
for the TV 551 turbo pump: Tried a new test
today, to see if the commands being sent |
|
|
485
|
Thu Dec 5 10:31:13 2024 |
Luis | Update | VAC | RGA Scan and RGA updates |
|
|
|
486
|
Wed Dec 11 13:39:30 2024 |
Tyler | Update | Electronics | RIN Update 12/11/2024 | [Tyler]
Attached below are updated
ASD plots for the FROSTI RIN measurements.
The parameters set for this are the following: |
|
|
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. |
|