| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
152
|
Mon Jul 10 13:23:23 2023 |
Aiden | Update | VAC | VAC System Heating Update |
Checked on the system today.
The
flange on the turbo pump has reached an equilibrium
temperature of 87 degC when set at 150 degC. |
|
|
151
|
Sat Jul 8 14:26:17 2023 |
Pamella | Update | FLIR | Data with the new configuration without the mask and reflector. | [Pamella]
I started collecting data by moving
the camera FLIR and covering all six positions
on the screen (2x3). I was looking and taking |
6x |
|
150
|
Fri Jul 7 15:11:39 2023 |
Aiden | Update | VAC | VAC System Heating Update |
The temperature of the flange connecting
to the turbo pump after reaching equilibrium
is 74 degC. This means that it is safe to |
|
|
149
|
Thu Jul 6 18:03:19 2023 |
Pamella | Update | FLIR | FLIR project - New configuration | [Pamella]
Cao suggested using the project
without the reflector and mask because in
this case we probably got good images around |
   |
|
148
|
Thu Jul 6 16:16:03 2023 |
Aiden | Summary | VAC | Vacuum Chamber Baking Update |
Pressure Measured Before Removing Gauge
2.31 E-7 Torr.
Went in and turned
on the heating tape in increments of 30 degC |
|
|
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 |
|
|
146
|
Wed Jul 5 16:02:12 2023 |
Aiden | Update | Clean & Bake | Clean and Bake batch 14 Bagging | Bagged and Tagged the 2.75" copper gaskets
from Batch 14 and placed them into the clean
room on the work bench. |
|
|
145
|
Wed Jul 5 15:46:47 2023 |
Aiden, Cao | Infrastructure | VAC | Vacuum Chamber Baking Update |
Cao and Aiden put the RGA back on to
the chamber and measured the outgassing rate
after the chamber has cooled down from its |
|
|
144
|
Tue Jul 4 15:35:38 2023 |
Pamella | Update | FLIR | FLIR - reflexion problem | [Pamella]
I was testing all the positions
we need to cover when moving the FLIR camera
or the reflector. I tried to find out more |
    |
|
143
|
Mon Jul 3 18:38:13 2023 |
Pamella | Update | FLIR | FLIR project | [Pamella]
I was able to work
on the python code to do analysis on the
FLIR-Reflector data.
I could plot |
   |
|
142
|
Mon Jul 3 16:26:21 2023 |
Cao | Infrastructure | DAQ | Access and control Red Pitaya remotely and run it on local machine | [Cao]
To access and control the Red
Pitaya using Python locally on a machine
within the local network, one should follow |
|
|
141
|
Mon Jul 3 14:32:24 2023 |
Cao | Infrastructure | VAC | Cooling down vacuum chamber | [Cao]
After leaving the the chamber
to bake at 120 deg C from Thursday 3:41 pm.
Today I started to cool the chamber down |
|
|
140
|
Fri Jun 30 16:43:14 2023 |
Pamella | Update | FLIR | Updates: Small moving the FLIR camera | [Pamella]
Today, I was able to
make some adjustments to the FLIR camera
angle, suggested by Dr. Richardson, and |
    |
|
139
|
Fri Jun 30 15:57:28 2023 |
Pamella | Update | FLIR | Data and python code update |
[Pamella]
Updates: Problems
with the emission intensity and python code.
Yesterday I was working on get |
   |
|
138
|
Thu Jun 29 18:27:26 2023 |
Jon, Cao | Infrastructure | VAC | Vacuum bake attempt 3: success! | [Jon, Cao]
Summary : We resolved
problems with heaters tripping power and
were able to proceed with chamber baking
|
 |
|
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 |
  |