| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
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, |
|
|
136
|
Tue Jun 27 21:47:56 2023 |
Jon | Infrastructure | VAC | Vacuum chamber bake attempt 1 | The electrical overload problem encountered
in ELOG 130
has been resolved. The two heater controllers, |
|
|
135
|
Tue Jun 27 15:18:26 2023 |
Pamella | Update | FLIR | New data collection |
[Pamella]
Yesterday,
I did a new data collection. I could get
a better data in this time and I realized |
|
|
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 |
|
|
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 |
|
|
132
|
Fri Jun 23 15:47:06 2023 |
Pamella | Update | FLIR | Collecting data - Moving horizontal and vertical on screen. | [Pamella]
02:09 pm: Turned
on the device (current on)
02:42
pm: Started taking snap on position one (Reference |
6x |
|
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 |
|
|
130
|
Wed Jun 21 20:25:05 2023 |
Cao | Infrastructure | VAC | Vacuum chamber bake attempt 1 | TL;DR:
We are not yet able to
bake the chamber at 150 deg C due to some
current limit, most likely caused power supply |
6x |
|
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
|
|
|
128
|
Tue Jun 20 17:28:23 2023 |
Pamella | Update | Electronics | Heater system parts - Wiped | [Pamella]
Heating system
Wiping the heater system parts.
04:37 pm: Started wiping the electronic |
|
|
127
|
Mon Jun 19 11:20:57 2023 |
Pamella | Update | FLIR | FLIR - Fixed some problems | [Pamella]
08:59 am: Turned
on the electronic device (current on) for
started taking data.
09:37 |
|
|
126
|
Fri Jun 16 17:40:28 2023 |
Aiden | Update | Clean & Bake | Clean and Bake Batch 14 | Cleaned and Baked the new and 2.75" copper
gaskets for the vacuum system. Cleaned them
with liquinox in the ultra sonic washer for |
|
|
125
|
Fri Jun 16 16:17:13 2023 |
Pamella | Update | FLIR | FLIR - Change the position | [Pamella]
Today I change the distance
between the FLIR camera and reflector (3D-Mask
with mirrors and light). Now the distance |
|
|
124
|
Wed Jun 14 15:35:36 2023 |
Pamella | Update | VAC | Heating system installation | [Pamella and Cao]
Heating system
installation - Second day.
Today we kept installing the equipment |
|
|
123
|
Tue Jun 13 21:33:46 2023 |
Pamella | Update | General | New cabinet for PPI | [Pamella and Dr.Richardson]
Dr. Richardson
installed the new cabinet outside the room
for the PPI equipments, and then I wiped |
|
|
122
|
Tue Jun 13 21:08:46 2023 |
Pamella | Infrastructure | VAC | Heater system - Installation | [Pamella, Cao and Jon]
Heating system
installation
Today we
started installing the equipments for the |
|
|
121
|
Tue Jun 13 13:25:05 2023 |
Aiden | Summary | Clean & Bake | Clean and Bake Batch 13 | Cleaned and Baked the new 1.33" and 2.75"
blanks for the vacuum system. Cleaned them
with liquinox in the ultra sonic washer for |
|
|
120
|
Tue Jun 13 10:28:50 2023 |
Pamella | Update | General | Wiped and bagged the heating and cords. | [Pamella]
Cleaning the heater
system parts.
09:13 am: Started
wiping the last parts for the heater system |
|
|
119
|
Mon Jun 12 18:52:00 2023 |
Pamella | Update | General | Heater system parts - Wiped and bagged | [Pamella]
Cleaning the heater system
parts.
04:32 pm: Started wiping the
heater system parts.
06:38 pm: |
|
|
118
|
Mon Jun 12 12:15:10 2023 |
Pamella | Update | FLIR | FLIR- Take data in the closest point. | [Pamella]
Used the closest point
possible for the reflector in front of the
FLIR camera.
11:32 am : Turned |
|
|
117
|
Thu Jun 8 14:51:58 2023 |
Pamella | Update | FLIR | FLIR- Distance | [Pamella, Tyler]
Today we change
the distance between the FLIR camera and
reflector (3D-Mask with mirrors and light). |
|
|
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, |
|
|
115
|
Tue Jun 6 16:04:46 2023 |
Aiden | Update | General | Water | Aiden went and refilled the de-ionized water
to continue clean and bake batches. |
|
|
114
|
Fri Jun 2 14:28:40 2023 |
Pamella | Update | FLIR | FLIR project - Test without the black wall. | [Pamella]
Test without the black
wall.
Note: So today i collected
data for some positions in axis Y (height) |
|
|
113
|
Thu Jun 1 14:41:36 2023 |
Pamella | Update | FLIR | FLIR project - Test without the black wall. | [Pamella]
Test without the black
wall.
General test:.
11:15 am : Started running the code. Parameters: |
|
|
112
|
Wed May 31 16:55:55 2023 |
Pamella | Update | FLIR | FLIR- Focus distance | [Pamella and Tyler]
We changed
the FLIR Focus Distance for around 0.55 m.
Note:
The old focus distance was 1.3 m.
We |
|
|
111
|
Wed May 31 16:18:41 2023 |
Aiden | Summary | General | Mock FROSTI | Finished assembly on the Mock FROSTI so it
is ready for the fit test at LIGO lab. |
|
|
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. |
|
|
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 |
|
|
108
|
Tue May 30 14:51:27 2023 |
Pamella | Update | FLIR | New 3D mask - Bigger triangles shapes. | [Pamella]
Change the 3D mask
Started removing the old mask in the reflector.
Started cutting the new aluminum lid for |
|
|
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 |
|
|
106
|
Wed May 24 14:06:27 2023 |
Pamella | Update | FLIR | FLIR project - Tests | [Pamella]
Initial tests
10:30 am : Started trying take some test
with the new position/configuration between |
|
|
105
|
Tue May 23 16:52:56 2023 |
Pamella | Update | FLIR | FLIR project - Reinstalling the mask and Reconfiguration FLIR position. | [Pamella]
Reinstalling the mask
and Reconfiguration FLIR position.
Today i change the aluminum foil inside the |
|
|
104
|
Mon May 22 17:08:50 2023 |
Pamella | Update | FLIR | FLIR project - Installing the mask. | [Pamella]
The new mask
for the reflector.
1:40
pm: Started reconfiguration on the FLIR camera |
|
|
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 |
|
|
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 |
|
|
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 :
|
|
|
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 |
|
|
98
|
Sun May 14 15:50:48 2023 |
Cao | Infrastructure | Computers | High resolution display of logrus machine | [Cao]
The display resolution of the
logrus has been 1064x768 and has been the
only option, which is not great. While remote |
|
|
97
|
Fri May 12 20:28:34 2023 |
Aiden, Cao | Physics | VAC | Vacuum chamber Helium leak test | [Aiden, Cao]
1. Helium leak test
2:00 pm: Uninstall regulator from nitrogen |
|
|
96
|
Wed May 10 10:49:34 2023 |
Aiden | Update | General | RGA Software | [Aiden, Cao]
Went over how to use the RGA
software, how to change the graph units,
scaling and mass detection. Also went over |
|
|
95
|
Tue May 9 20:55:12 2023 |
Jon | Infrastructure | VAC | Calibrated Ar leak rate | For future reference, the calibrated Argon
source has a leak rate of 7.55E-8
atm cc/s, or equivalently |
|
|
94
|
Tue May 9 15:49:20 2023 |
Jon | Infrastructure | VAC | Permanent cable routing | Today I brought in a fresh supply of zip
ties (we now have 1500 in the tool chest)
and used them to permanentize the cable routing |
|
|
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 |
|
|
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 |
|
|
91
|
Wed May 3 19:03:47 2023 |
Julian,Pamella and Cao | Physics | VAC | Modify vacuum asssembly and install RGA | [Pamella, Julian, Cao]
Today we
started re-configuring the vacuum chamber
components.
Particle count |
|
|
90
|
Tue May 2 17:03:14 2023 |
Jon, Cao | Physics | VAC | First pump-down test of vacuum chamber | [Jon, Cao]
1. Re-routing of cables
|
|
|
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, |
|
|
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 |
|
|
87
|
Mon May 1 17:10:25 2023 |
Julian, Cao | Physics | VAC | Installing Pirani gauge and RGA probe onto to vacuum chamber | [Julian, Cao]
03:00 pm: Particle
count
: Zone 3
|
|