| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
326
|
Tue Feb 13 13:02:41 2024 |
Pooyan | Update | Interferometer Simulations | Cacity sacn of Fabry-Perot | Created a simple model of Fabry-Perot cavity
in SIS, and did a cavity scan. Total power
in the cavity, 00 mode, and HOMs is measured. |
|
|
356
|
Wed Mar 27 00:03:57 2024 |
Pooyan | Update | Computers | Chimay relocation to Physics 1129 | [Jon, Pooyan]
Moved Chimay from
the server rack in Physics 1119 to a new
rack in Physics 1129. It is connected to |
|
|
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 |
|
|
382
|
Mon Jun 24 21:38:25 2024 |
Pooyan | Infrastructure | Computers | Computer server changes in 1119 and 1129 | [Jon, Pooyan, Tyler]
A few computer machine changes have |
|
|
406
|
Mon Jul 15 14:28:32 2024 |
Pooyan | Update | Interferometer Simulations | aLIGO test mass surface profiles | Created a Google Slides presentation to
summarize all the mirror surface map information
that we use for simulating interferometers. |
|
|
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”. |
|
|
437
|
Mon Sep 9 14:27:36 2024 |
Pooyan | Infrastructure | Computers | Chimay backup attempt | One ongoing work is to make all lab machines
automatically backed-up on Scribe on a daily
basis. The updates should be boatable and |
|
|
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 |
|
|
8
|
Fri Jul 22 13:20:28 2022 |
Phoebe | Update | | Comsol | I will be using comsol until 1:30 pm today.
I will be updating the model for the heater
mount to be thicker in certain areas, so |
|
|
16
|
Mon Jan 23 17:26:15 2023 |
Peter Carney | Update | General | Oven cleaning | Aiden and Cao
Turned on the oven to 120
deg C for 12 hours. After 12 hours, put it
at 200 deg C for 48 hours. |
|
|
21
|
Sat Feb 4 17:01:03 2023 |
Peter | Update | VLC Electronics | Laser Data | Peter and Ryan took laser beam data. Configuration:
100mm focal length lens is ~100mm from lens.
150mm focal length lens is ~200mm from first |
|
|
36
|
Tue Feb 28 19:31:05 2023 |
Peter | Update | VLC Electronics | 532 M2 Measurements | Took M2 measurements today. Configuration:
Lens 1 (f = 50mm) at 0mm. Lens 2 (f = 150mm)
at 200mm, camera at 350mm. The laser beam |
|
|
37
|
Tue Feb 28 19:33:51 2023 |
Peter | Update | | 532 M2 Measurements | Y axis of plot in units of micrometers. X
axis in units of millimeters. |
|
|
48
|
Thu Mar 9 12:03:59 2023 |
Peter | Update | VLC Electronics | 532 M2 Measurements | Took more M2 Data today. Picture of the optical
set up is shown below. lens1 f = 100mm, lens2
f = 50mm, lens3 f = 150mm. There was a nice |
|
|
50
|
Fri Mar 10 12:08:09 2023 |
Peter | Update | VLC Electronics | 532 M2 Measurements | Took more M2 laser data today. The configuration
is the same as before except now the beam
camera is the only component moving. Pictures |
|
|
61
|
Tue Apr 4 09:39:58 2023 |
Peter | Update | VLC Electronics | 532 M2 Measurements | Final M squared measurements were taken Wednesday,
3/29/23 by Peter and Ryan Hinosawa. 5 separate
sets of data were taken, and upon discussion, |
|
|
62
|
Tue Apr 4 09:53:37 2023 |
Peter | Update | VLC Update | Laser intensity/polarization drift measurements | The set up for the next round of beam characterization
measurements has begun. The beam is initially
passing through a half waveplate, is split |
|
|
65
|
Thu Apr 6 10:20:43 2023 |
Peter | Update | VLC Update | Laser intensity/polarization drift measurements | More optical components were added to the
optical set up for laser intensity / polarization
drift measurements. Both lenses and both |
|
|
83
|
Fri Apr 28 11:21:01 2023 |
Peter | Update | VLC Update | Laser intensity/polarization drift measurements | The Digi-key cables have arrived, and I have
began implementing them in the intensity
drift measurements.
There was a slight |
|
|
88
|
Mon May 1 18:56:57 2023 |
Peter | Update | VLC Electronics | 532nm Intensity Measurement | I've configured the two PDA's to the Red Pitaya.
I put a 50 ohm resistor connector to each
red pitaya input port. This was because the |
|
|
89
|
Tue May 2 15:55:33 2023 |
Peter | Update | VLC Electronics | 532nm Intensity Measurement | I changed the 1/2 wave plate from the lens
mount to the rotational optic mount. This
allowed me to rotate the 1/2 wave plate, |
|
|
92
|
Thu May 4 14:01:10 2023 |
Peter | Update | VLC Electronics | 532nm Intensity Measurement | I adjusted the rotational mount of the wave
plate to see if the power can be 100% coupled
into either S or P polarization. The images |
|
|
99
|
Tue May 16 11:56:33 2023 |
Peter | Update | VLC Electronics | 532nm Intensity Measurement | With the configuration the exact same as before,
I used the Jupyter notebook in the red pitaya's
development package to collect data from |
|
|
101
|
Thu May 18 14:07:08 2023 |
Peter | Update | VLC Update | 532nm Intensity Measurement | I figured out a method in which to capture
power measurements including the initial
seconds in which the beam is first turned |
|
|
102
|
Mon May 22 16:43:28 2023 |
Peter | Update | VLC Electronics | Laser intensity/polarization drift measurements | In order to fully analyze the polarization
data taken last Thursday, I needed to convert
the signal output (which is in volts) to |
|
|
107
|
Wed May 24 14:28:26 2023 |
Peter | Update | VLC Electronics | Laser intensity/polarization drift measurements | I went in and took polarization drift data
for 16 hours. The run started at 6:08pm and
finished at 9:15am the next day. The four |
|
|
116
|
Tue Jun 6 16:15:09 2023 |
Peter | Update | VLC Update | Launch Optics for Visible Light Cavity | I assembled the first few components of the
launch optics for the visible light cavity.
Below is an image of the current table configuration, |
|
|
221
|
Thu Sep 7 19:24:25 2023 |
Peter | Update | VLC Update | VLC Launch Chain | The launch optics up to the Faraday Isolator
have been added to the breadboard. In the
first image, the optics are (from L to R) |
|
|
234
|
Mon Oct 9 11:06:17 2023 |
Peter | Update | VLC Update | VLC Launch Chain | Implemented the new stage for the EOM. Took
power data at different positions in the
launch chain. Beam waist: 0.066mm (beam waist |
|
|
242
|
Mon Oct 23 07:28:57 2023 |
Peter | Update | VLC Update | VLC Mode Matching | I have attached a pdf with slides of my latest
updates. |
|
|
256
|
Mon Nov 6 11:31:25 2023 |
Peter | Update | VLC Update | VLC Mode Matching | See Update Attached |
|
|
263
|
Mon Nov 13 06:15:45 2023 |
Peter | Update | VLC Update | VLC Mode Matching | Weekly Updates Attached in pdf |
|
|
288
|
Fri Dec 8 11:15:21 2023 |
Peter | Update | VLC Update | VLC Assembly | The optics of the visible light cavity have
been assembled. The mode matching telescope
is folded through the two stirring mirrors |
|
|
304
|
Tue Jan 16 10:01:21 2024 |
Peter | Update | VLC Update | VLC Faraday Isolator and Mode Matching | Attached is a PDF of my weekly updates. |
|
|
321
|
Tue Feb 13 01:26:30 2024 |
Peter | Update | Interferometer Simulations | CARM Power Simulations | Cao's simulations of the circulating power
and gouy phase through a single arm cavity
of the interferometer have been reproduced. |
|
|
360
|
Mon Apr 15 11:51:03 2024 |
Peter | Update | VLC Update | VLC | An update on the VLC project is attached below: |
|
|
368
|
Mon May 13 14:53:29 2024 |
Peter | Update | VLC Update | VLC | VLC Update WEEK 7 attached below |
|
|
147
|
Thu Jul 6 13:34:48 2023 |
Pamella, Shane, Julian, Aiden | Update | Cleanroom | cleaning and particle count |
[Pamella,
Julian, Aiden, and Shane]
cleaning
cleanroom and particle count |
|
|
93
|
Mon May 8 12:00:03 2023 |
Pamella, Shane, Julian | Update | General | Cleanroom particle counts and cleaning the cleanroom. | [Pamella,Julian, Shane]
Today we
cleaned the clean-room (floor, surfaces)
and particle count.
10:00 |
|
|
166
|
Wed Jul 19 14:39:19 2023 |
Pamella, Shane, Aiden | Update | Cleanroom | cleaning and particle count |
[Pamella,
Shane, Aiden]
cleaning cleanroom
and particle count |
|
|
79
|
Wed Apr 26 18:05:41 2023 |
Pamella, Julian, Shane | Update | Cleanroom | cleanroom particle counts and cleaning log |
pre-cleaning particle counts:
zone 3
0.3
mu: 2494
0.5 mu: 748
|
|
|
100
|
Wed May 17 12:18:08 2023 |
Pamella, Julian and Shane | Update | General | Cleaning room and particle count | [Pamella, Julian and Shane]
Particle
count:
10 am: Started particle count
Zone 3 :
|
|
|
109
|
Wed May 31 11:42:16 2023 |
Pamella, Julian and Shane | Update | General | Cleaning room and particle count | [Pamella, Shane and Julian]
Cleaning
room and particle count
09:58 am: Started the particle count |
|
|
131
|
Thu Jun 22 13:58:00 2023 |
Pamella, Julian and Shane | Update | Cleanroom | Cleaning and Particle Count |
[Pamella,
Shane, and Julian]
cleaning cleanroom
and particle count
12:00 |
|
|
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
|
|
|
34
|
Mon Feb 27 17:09:04 2023 |
Pamella | Update | General | Vacuum Chamber Cleaning | Pamella and Julian finished cleaning the interior
of the chamber, chamber lid, and the table.
We found some black residue on the side of |
|
|
35
|
Tue Feb 28 13:53:17 2023 |
Pamella | Update | General | Vacuum chamber cleaning | Pamella, Dr. Richardson and Dr.Cao finished
checking and cleaning the interior of the
chamber, chamber lid, and exterior of the |
|
|
45
|
Mon Mar 6 18:48:43 2023 |
Pamella | Update | General | Cleanroom update | Today Pamella and Julian finished cleaning
of the new lab cabinets. Also we wiped the
computer and put inside the cleanroom so |
|
|
46
|
Wed Mar 8 18:35:52 2023 |
Pamella | Update | | Lab cleaning | Today Pamella finished cleaning of the cleanroom,
starting with the HEPA vacuuming, mopping
and clearing all floor with IPA wipes.
Also |
|
|
57
|
Fri Mar 24 13:36:17 2023 |
Pamella | Update | General | Clean and Bake batch 10 | Today I bagged and tagged batch 10.
I wiped
the RGA vacuum component for around 25 minutes
after that I bagged and tagged this part |
|