| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
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. |
|
|
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. |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
134
|
Tue Jun 27 14:04:42 2023 |
Sophia A. | Update | Measuring Noise in Interferometer | Interferometer set up and connection to red pitaya | Today we (Sophia and Tyler) constructed the
set-up for the electrical noise calculation
that I will be conducting this summer. I |
|
|
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 |
|
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 |
|
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 |
|
|
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 |
|
|
391
|
Mon Jul 1 11:45:45 2024 |
Sid | Update | Interferometer Simulations | | Progress update: Most of last week was spent
getting set up with SIS, and learning how
to do basic simulations. The goal for this |
|
|
259
|
Thu Nov 9 13:57:58 2023 |
Shane, Luis, Aiden, Tyler | Update | Cleanroom | cleanroom cleaning and particle count |
[Aiden, Shane,
Luis, Tyler]
cleaning cleanroom
and particle count |
|
|
290
|
Mon Dec 11 12:58:57 2023 |
Shane, Luis | Update | CDS | DAC-ADC loopback test debugging | [Luis, Shane]
Working on debugging last
week's weird results for the ADC-DAC loopback
test for channels 14 and 15. With DAC output |
|
|
254
|
Thu Nov 2 17:14:36 2023 |
Shane, Jon | Update | CDS | CyMAC set up permanentized |
CyMAC connections
have been finalized and made permanent. Also
tested voltages, which are all looking good. |
|
|
171
|
Mon Jul 24 16:19:29 2023 |
Shane, Jon | Update | Electronics | Chassis semi-assembled and moved | Began assembly on AA and AI chassis today,
moved them both to top work bench shelf (image
attached). They are delicate so please do |
|
|
176
|
Thu Jul 27 14:46:55 2023 |
Shane, Jon | Update | Electronics | AA chassis DC on/off switch assembled | Made the first DC on/off switch assembly today
and installed in anti-aliasing chassis. Second
switch assembly to be completed later. |
|
|
191
|
Thu Aug 3 18:03:42 2023 |
Shane, Jon | Update | CDS | Anti-Aliasing chassis complete | We finished installing the internal power
supply cables in the anti-aliasing chassis
today, which concludes its assembly. Work |
|
|
197
|
Tue Aug 8 17:03:22 2023 |
Shane, Jon | Update | CDS | Binary input chassis finished | Finished assembly of the binary input chassis
today, including DC on/off switch and LED
installation. external cable assemblies still |
|
|
210
|
Wed Aug 16 16:55:40 2023 |
Shane, Jon | Update | CDS | external power supply cables finished | All four external power supply cables for
the CyMAC chassis are now assembled. Using
them now to test if chassis power up correctly. |
|
|
211
|
Wed Aug 16 17:17:02 2023 |
Shane, Jon | Update | CDS | Binary input chassis powering correctly | Binary input chassis passed power-on test,
and is lighting up as expected. Binary output
chassis also successfully powered on. AA |
|
|
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 |
|
|
236
|
Mon Oct 9 16:59:21 2023 |
Shane, Jon | Update | CDS | timing chassis power cable and AI chassis testing for CyMAC |
[Shane, Jon]
Today's
CyMAC work:
Finished assembling
external power supply cable for the timing |
|
|
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, |
|
|
137
|
Wed Jun 28 15:58:56 2023 |
Shane, Cao | Infrastructure | VAC | Power trip problem remains, source of smoke is insulation | [Shane, Cao]
With the new change
in wiring configuration described in elog
136, |
|
|
177
|
Fri Jul 28 13:07:39 2023 |
Shane, Aiden | Update | Cleanroom | cleanroom cleaning and particle count |
[Aiden, Shane]
cleaning
cleanroom and particle count
11:08 am: started particle |
6x |
|
228
|
Fri Sep 29 11:22:33 2023 |
Shane, Aiden | Update | Cleanroom | cleaning and particle count |
[Aiden, Shane]
cleaning
cleanroom and particle count
10:06 am: ran zero count |
|
|
241
|
Fri Oct 20 16:38:02 2023 |
Shane, Aiden | Update | Cleanroom | Cleanrooom cleaning and particle count |
[Aiden, Shane]
cleaning
cleanroom and particle count
3:16 pm: started particle |
|
|
28
|
Sat Feb 11 17:09:29 2023 |
Shane | Update | General | clean room particle counts 2/10/23 | Took a round of clean room counts after the
latest clean of vacuum chamber on Feb 10.
Used 60 second sample time, 5 samples for |
|
|
32
|
Thu Feb 23 13:32:55 2023 |
Shane | Update | General | Clean room floor particle counts | Here are the counts from the clean room floor
today. The counts should be dated- the ones
from today (2/23/23) are the last 8 in the |
|
|
49
|
Thu Mar 9 13:51:42 2023 |
Shane | Update | General | Clean room counts 3/9/23 | Here's the clean room counts from this morning.
Also attached is rough diagram of where the
five zones are in the clean room. Counts |
|
|
54
|
Wed Mar 22 15:25:00 2023 |
Shane | Update | General | Clean room recertification particle counts | Attached are the five zone particle measurements
for the clean room now that the fan speeds
have been set to MEDIUM. 2 min sample time, |
|
|
110
|
Wed May 31 12:16:28 2023 |
Shane | Update | Cleanroom | cleanroom particle counts (full 5 zone measurement) | Attached is the full 5 zone particle measurement
for the cleanroom after this week's cleaning,
5/31/23. |
|
|
133
|
Tue Jun 27 12:09:37 2023 |
Shane | Update | Cleanroom | cleanroom 5 zone particle count measurement | Attached is 5 zone measurement for cleanroom
particulate count. Zone 3 (in front of vacuum
chamber) higher than usual, likely due to |
|
|
172
|
Tue Jul 25 15:35:14 2023 |
Shane | Update | Electronics | More chassis moved | Finished basic assembly of binary input and
output chassis today, and moved one to top
shelf of work bench. The other is in corner |
|
|
182
|
Mon Jul 31 12:39:01 2023 |
Shane | Update | Electronics | LED cable assemblies installed | Today I put together the two LED cable assemblies
for the CyMAC and mounted them in the anti-aliasing
and anti-imaging chassis. |
|
|
199
|
Wed Aug 9 17:35:26 2023 |
Shane | Update | CDS | Binary output chassis finished | Finished the internal wiring for the binary
output chassis today, which completes its
assembly. Also secured ribbon cables and |
|
|
230
|
Fri Sep 29 11:53:54 2023 |
Shane | Update | Cleanroom | 5 zone particle count measurement in cleanroom | Today's 5 zone measurement of cleanroom particulate
concentration is attached |
|
|
247
|
Fri Oct 27 15:28:30 2023 |
Shane | Update | CDS | AA and AI chassis for CyMAC powered on and functional | CyMAC updates: Switched out the faulty power
regulator boards in the Anti-Aliasing and
Anti-Imaging chassis. Both chassis are now |
|
|
250
|
Mon Oct 30 18:15:13 2023 |
Shane | Update | CDS | CyMAC chassis mounted and progress on power connections | All CyMAC chassis mounted in electronics rack
today, and shelf for monitor also mounted.
Images attached. Assembled grounding cables |
|
|
252
|
Wed Nov 1 18:24:01 2023 |
Shane | Update | CDS | CyMAC Power connections made |
Finished
power connections today for the CyMAC chassis.
Images attached. Had to switch the shrink |
|
|
270
|
Fri Nov 17 14:06:01 2023 |
Shane | Update | Cleanroom | 5 zone particle count | Here's today's 5 zone particle count measurement
for the cleanroom. Zone 5 (closest to back
wall by fire cabinet) is still above the |
|
|
276
|
Wed Nov 22 15:46:50 2023 |
Shane | Update | CDS | DB25 signal connections for FROSTI heaters |
[Shane,
Jon]
Installed new DC smart switch in electronics |
|
|
285
|
Mon Dec 4 21:27:53 2023 |
Shane | Update | CDS | ADC-DAC loopback test results | Here are the test results from today's ADC-DAC
loopback tests. Channels 14 and 15 were the
only ones behaving abnormally. Not sure what |
|
|
287
|
Thu Dec 7 14:13:15 2023 |
Shane | Update | Cleanroom | cleanroom cleaning and particle count |
[Aiden, Shane,
Michael, Luke, Cynthia]
cleaning
cleanroom and particle count |
|