| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
104
|
Tue Oct 18 19:33:38 2022 |
Jennifer Hritz | General | Optical Contacting | Setting up thermocouples | Firstly, last night's heating did not
change the contacted surface area greatly,
but there is too many factors to speculate |
|
|
4
|
Thu Mar 4 17:04:52 2021 |
Paco | General | Design specs | Silicon TM dichroic coatings for phase I | Have been using the 40m
Coatings repo code by Gautam (with some
modifications to make dichroic designs under |
|
|
6
|
Wed Mar 17 19:51:42 2021 |
Paco | General | Design specs | Silicon TM dichroic coatings for phase I | Update on ETM
New optima are
being found using the same basic code with
some modifications, which I summarize below; |
|
|
7
|
Wed Mar 17 21:24:27 2021 |
gautam | General | Design specs | Silicon TM dichroic coatings for phase I | I guess you have tried it already - but
does enforcing the stacks to be repeating
bilayer pairs of the same thickness fail |
|
|
9
|
Wed Mar 24 17:42:50 2021 |
Paco | General | Design specs | Silicon TM dichroic coatings for phase I | Yeah, the magnitudes are the inverse weighted
scalar costs (so they lie on the appropriate
relative scale) and indeed larger enclosed |
|
|
3
|
Fri Jun 5 11:13:50 2020 |
Raymond | General | Heat Load | Steady state heat load example | Attached is a cartoon partial view into
the heat load experienced by the Mariner
assembly. |
|
|
73
|
Thu Aug 4 13:44:56 2022 |
Jennifer Hritz | General | Optical Contacting | Success with slowly heating | Yesterday, I did two rounds of slowly heating
4 samples to the maximum hot plate temperature.
This was to formally test if my success |
|
|
34
|
Fri Oct 1 12:01:24 2021 |
Paco | General | Design specs | TM Barrel coating emissivity | [Paco, Nina, Aidan]
We ran our stack emissivity calculation
on different AR stacks to try and make a |
|
|
35
|
Fri Oct 1 13:24:40 2021 |
Aidan | General | Design specs | TM Barrel coating emissivity | I have to question whether this passes
a sanity test. Surely in the case of Stack
2, the 10um thick Ta2O5 will absorb the majority |
|
|
36
|
Fri Oct 1 14:11:23 2021 |
Paco | General | Design specs | TM Barrel coating emissivity | Agree with this.
Quickly running tmm on the same "stacks"
gave the Attachment #1-3. (Ignore the |
|
|
53
|
Thu Jun 16 14:04:30 2022 |
Juan | General | Suspension | Table for Mariner Suspension Cryo | Today we looked at possible locations for
where we will be setting up Mariner Suspension
and Cryo chamber. The first option was the |
|
|
54
|
Thu Jun 16 19:43:36 2022 |
Koji | General | Suspension | Table for Mariner Suspension Cryo | - B246/QIL Skyhook
Find the base of Skyhook.
It should be in the storage room (B246). |
|
|
55
|
Thu Jun 23 21:11:03 2022 |
Koji | General | Suspension | Table for Mariner Suspension Cryo | Table moving effort in the OMC lab: See
https://nodus.ligo.caltech.edu:8081/OMC_Lab/412
|
|
|
16
|
Tue Jun 22 22:28:09 2021 |
Koji | General | Design specs | Test Mass wedge design | The
ETM wedge of 0.5deg will allow us to separate
the AR reflections. We will be OK with the |
|
|
125
|
Thu Feb 2 17:28:37 2023 |
Sophia Adams | General | Optical Contacting | Test of Temperature Reading of One Plate |
The arduino was able to read temperature |
|
|
103
|
Mon Oct 17 23:17:25 2022 |
Jennifer Hritz | General | Optical Contacting | Testing PWM code with actual samples | Now that I have (relatively) good PWM code,
I wanted to do my first real test with actual
samples. Since everything went smoothly, |
|
|
66
|
Thu Jul 14 14:55:01 2022 |
Jennifer Hritz | General | Optical Contacting | Testing isopropanol and methanol | Note that I am just testing out different
techniques, so I have not set up the thermocouples
to precisely measure the temperatue. |
|
|
105
|
Wed Oct 19 21:51:10 2022 |
Jennifer Hritz | General | Optical Contacting | The trials and tribulations of the thermocouples | I intended to test the new thermocouple
set up today, but when I plugged them in,
both did not read a temperature. It took |
|
|
20
|
Fri Aug 6 04:34:43 2021 |
Koji | General | General | Theoretical Cooling Time Limit | I was thinking about how fast we can cool
the test mass. No matter how we improve the
emissivity of the test mass and the cryostat, |
|
|
69
|
Fri Jul 22 13:47:47 2022 |
Juan | General | General | Update | Just a general update of what I have been
up to deriving Lagrange for double pendulum
system and also been looking at code that |
|
|
59
|
Thu Jul 7 10:23:04 2022 |
Juan | General | General | Update | Almost done with coil driver boards |
|
|
75
|
Mon Aug 15 16:37:51 2022 |
Juan | General | General | Update on Sat Amp and OSEMs | Sat
Amp
|
|
|
106
|
Thu Oct 20 22:43:05 2022 |
Jennifer Hritz | General | Optical Contacting | Wired the thermocouples backwards | Since the two devices are giving different
temperature readings, I would like to find
out if this imprecision is linear (e.g. they |
|
|
58
|
Tue Jul 5 21:06:47 2022 |
Juan | General | General | Work Update | Update of my current work I have finished
one coil driver board and started on the
last two that I need here is the progress |
|
|
114
|
Thu Oct 27 22:12:21 2022 |
rana | General | Optical Contacting | plotting and PID | The Arduino / AC PWM interface looks good.
I recommend that you maintain the code in
GitHub and post a link to the repo whenever |
|
|
60
|
Thu Jul 7 15:20:04 2022 |
rana | General | Optical Contacting | some useful links | For our optical contacting, Jennifer and
I are starting out with glass (microscope
slides), with the setup in the EE shop next |
|