| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
13505
|
Fri Jan 5 19:19:25 2018 |
rana | Configuration | SEI | Barry Controls 'air puck' instead of 'VOPO style' breadboard | We've been thinking about putting in
a blade spring / wire based aluminum breadboard
on top of the ETM & ITM stacks to get |
|
|
4879
|
Fri Jun 24 17:04:25 2011 |
Nicole | Update | SUS | Basic Laser Safety Training; Moved TT Mirror; Horizontal Displacement Mech Plan | Today Ishwita,
Sonali, and I completed basic laser safety |
|
|
13863
|
Fri May 18 14:18:03 2018 |
gautam | Configuration | Electronics | Basic MEDM Control Screen setup | I setup a basic MEDM screen for remote
control of the PLL.
The Slow control voltage slider |
|
|
14568
|
Wed Apr 24 17:39:15 2019 |
Yehonathan | Summary | Loss Measurement | Basic analysis of loss measurement | Motivation
Getting myself familiar
with Python.
Characterize statistical |
|
|
13348
|
Mon Oct 2 12:44:45 2017 |
johannes | Update | Cameras | Basler 120gm calibration | Disclaimer: Wrong calibration
factors! See |
|
|
12617
|
Tue Nov 15 20:26:35 2016 |
Johannes | Update | Cameras | Basler GigE-Camera on Optimus (+Mafalda dead) | I powered up the existing ace100gm GigE
cam with the PoE injector and tried to interface
with it as described in elog |
|
|
12622
|
Thu Nov 17 12:14:21 2016 |
rana | Update | Cameras | Basler GigE-Camera on Optimus (+Mafalda dead) | Indeed. I suggest discussing with Joe B.
I believe we should use a dedicated cam network
to get the camera signals from the ends and |
|
|
15448
|
Thu Jul 2 16:51:23 2020 |
Jordan | Update | General | Bathroom Science | As part of an ongoing effort to improve
airflow in workspaces/bathrooms on campus, |
|
|
7844
|
Mon Dec 17 21:41:30 2012 |
rana | Summary | SUS | BeCu wire | Just in case we want to retrofit |
|
|
7855
|
Wed Dec 19 11:14:25 2012 |
Steve | Update | SUS | BeCu wire in stock |
|
|
|
2984
|
Tue May 25 17:04:37 2010 |
Kevin | Update | | Beam Profile After Mode Cleaner | I fit the data from the beam profile that
Jenne measured on 5/21/2010. The distances
are measured from halfway between MC1 and |
|
|
2985
|
Tue May 25 17:09:22 2010 |
Koji | Update | IOO | Beam Profile After Mode Cleaner | Very nice as usual. Can you add the curve
to show the ideal mode of the MC on the profile
plot? |
|
|
2986
|
Tue May 25 17:22:56 2010 |
Kevin | Update | IOO | Beam Profile After Mode Cleaner |
|
|
|
6447
|
Mon Mar 26 23:47:54 2012 |
Suresh | Update | IOO | Beam Profile measurement: IPPOS beam | [Keiko, Suresh]
Keiko and I measured
the IPPOS beam profile. The fit parameters |
|
|
6448
|
Tue Mar 27 02:05:40 2012 |
Suresh | Update | IOO | Beam Profile measurement: IPPOS beam |
|
|
|
6449
|
Tue Mar 27 02:18:31 2012 |
keiko | Update | IOO | Beam Profile measurement: IPPOS beam | Keiko, Rana, Suresh
Related to the beam profile of IPPOS
today, we tried to measure the beam size |
|
|
6451
|
Tue Mar 27 11:54:18 2012 |
Jenne | Update | IOO | Beam Profile measurement: IPPOS beam | I'd like to know what we expect for these
numbers. I've added to Kiwamu's drawing
some more distances, so I can calculate the |
|
|
6452
|
Tue Mar 27 16:06:59 2012 |
keiko | Update | IOO | Beam Profile measurement: IPPOS beam | I changed the ETMY CCD camera angle
so that we can see the suspension frame in
order to repeat the same thing as yesterday. |
|
|
6453
|
Tue Mar 27 17:19:02 2012 |
Koji | Update | IOO | Beam Profile measurement: IPPOS beam | The mode looks quite terrible in the plot,
but in reality it is an illusion of the plot. |
|
|
6456
|
Tue Mar 27 18:03:46 2012 |
Jenne | Update | IOO | Beam Profile measurement: IPPOS beam | This is wrong!
See following elog for corrected plot (and |
|
|
6457
|
Tue Mar 27 21:20:32 2012 |
Jenne | Update | IOO | Beam Profile measurement: IPPOS beam |
|
|
|
6459
|
Tue Mar 27 23:37:35 2012 |
Suresh | Update | IOO | Beam Profile measurement: IPPOS beam |
|
|
|
6460
|
Wed Mar 28 01:17:29 2012 |
Jenne | Update | IOO | Beam Profile measurement: IPPOS beam | As I was a little dissatisfied with the
inaccuracy in the distance numbers in Kiwamu's
sketch, I went back to the 18 Dec 2010 table |
|
|
6461
|
Wed Mar 28 18:26:47 2012 |
Jenne | Update | IOO | Beam Profile measurement: IPPOS beam | More calculations....
Game Plan: Using MC
waist measured beam as the starting point |
|
|
6462
|
Wed Mar 28 20:54:02 2012 |
Jenne | Update | IOO | Beam Profile measurement: IPPOS beam | I fitzed by hand with the numbers for the
incident angles on MMT1 and MMT2, and then
let the code optimize the position of MMT1 |
|
|
6476
|
Mon Apr 2 18:58:32 2012 |
Jenne | Update | IOO | Beam Profile measurement: IPPOS beam | Suresh noted that I never wrote down the
waist positions of the beam propagated through
the MMT (based on where we think it is from |
|
|
6477
|
Mon Apr 2 23:06:38 2012 |
Suresh | Update | IOO | Beam Profile measurement: IPPOS beam: Mystery deepens |
|
|
|
6526
|
Thu Apr 12 01:17:56 2012 |
Suresh | Update | IOO | Beam Profile measurement: IPPOS beam: Possible Clipping | [Suresh, Jenne]
The
input beam is most probably being clipped |
|
|
6531
|
Thu Apr 12 23:12:16 2012 |
Suresh | Update | IOO | Beam Profile measurement: IPPOS beam: Possible Clipping |
|
6x |
|
6458
|
Tue Mar 27 21:37:51 2012 |
keiko | Configuration | IOO | Beam Profile measurement: IPPOS beam | From the mode measurement I and Suresh
have done yesterday, I calculated what beam
size we expect at ETM ((1) upper Fig.1) and |
9x |
|
6441
|
Fri Mar 23 05:10:46 2012 |
Suresh | Update | IOO | Beam Profile measurements: Errors too large to yield good fits. | [Kiwamu, Suresh]
Today we attempted to
measure the beam profile of the REFL beam |
|
|
15529
|
Mon Aug 17 15:18:26 2020 |
gautam | Update | Equipment loan | Beam Profiler + peripherals --> 40m | Gabriele left the DataRay beam profiler
+ peripherals (see Attachment |
|
|
13002
|
Mon May 22 10:53:02 2017 |
Dhruva | Update | Optical Levers | Beam Profiling Results |
|
6x |
|
13006
|
Tue May 23 10:27:24 2017 |
Dhruva | Update | Optical Levers | Beam Profiling Results | I have attempted to calculate the
instrument error (micrometer least count)
using the values of the spot size obtained |
6x |
|
13007
|
Tue May 23 15:22:04 2017 |
rana | Update | Optical Levers | Beam Profiling Results |
Include several sources of error.
Micrometer error is one, but you should be
able to think of at least 3 more.
There |
|
|
13008
|
Tue May 23 16:33:00 2017 |
Steve | Update | Optical Levers | Beam Profiling Results | You may compare your results with this.
RXA: please no, that's not
the right way |
|
|
13021
|
Tue May 30 18:31:54 2017 |
Dhruva | Update | Optical Levers | Beam Profiling Results | Updates in the He-Ne beam profiling
experiment.
I've made intensity profile |
|
|
13053
|
Thu Jun 8 12:43:42 2017 |
Dhruva | Update | Optical Levers | Beam Profiling Results |
|
|
|
12997
|
Wed May 17 18:08:45 2017 |
Dhruva | Update | Optical Levers | Beam Profiling Setup | Andrew and I set up the razor blade beam
profiling experiment for He-Ne lasers on
the "SP" table. Once I receive |
|
|
1724
|
Wed Jul 8 18:46:56 2009 |
Dmass | AoG | Electronics | Beam Scan Funky | The beam scan (which has been living in
the bridge subbasement for a bit now) is
in a state of imperfection. |
|
|
6431
|
Tue Mar 20 17:50:44 2012 |
Suresh | Update | Computers | Beam Scan machine fixed | There was something wrong with the Beam
Scan PC. The mouse and screen
were not responding and the PC was asking |
|
|
10106
|
Fri Jun 27 10:09:10 2014 |
Harry | Update | General | Beam Waist Measurement | Purpose
To use a razorblade to measure beam
waist at four points along the optical axis, |
|
|
10204
|
Tue Jul 15 18:26:40 2014 |
Harry | Update | General | Beam Waist, Telescope, and Fiber Coupling | Goal
To design an optical setup (telescope
/ lens) to couple 1064nm NPRO light into |
|
|
10139
|
Mon Jul 7 14:42:33 2014 |
Harry | Update | General | Beam Waists | I was finally able to get a reasonable
measurement for the beam waist(s) of the
spare NPRO. |
16x |
|
10144
|
Mon Jul 7 18:11:04 2014 |
Koji | Update | General | Beam Waists | -
Plots should be directly attached on the
elog. (Attaching codes in a zip |
|
|
10170
|
Wed Jul 9 23:02:33 2014 |
Harry | Update | General | Beam Waists via Beamscan | Today, I borrowed the beam profiler
from Brian (another SURF) in order to double
check my razor blade measurement figures, |
|
|
1784
|
Thu Jul 23 20:30:23 2009 |
Alberto | Update | PSL | Beam aligned to the Farady | After yesterday's changes in the MC cavity
state today it was necessary to optimize
the alignment to the Faraday. |
|
|
7590
|
Mon Oct 22 21:20:36 2012 |
Jenne | Update | PSL | Beam attenuation optics in place | [Jenne, Raji (before dinner)]
We put the beam attenuation optics
in place. Before putting any optics |
|
|
14919
|
Tue Oct 1 18:35:12 2019 |
gautam | Update | General | Beam centering campaign |
With TRX and TRY maximized using
ASS, I centered the Oplev spots on the respective
QPDs for the four test masses and the BS. |
|
|
11766
|
Mon Nov 16 11:48:34 2015 |
yutaro | Update | Optical Levers | Beam centering for the oplev of ETMY | [yutaro, ericq]
We made the beam spot on QPD for |
|