| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
8384
|
Mon Apr 1 16:35:42 2013 |
Albert | Update | optical tables | Optical Table Toolboxes Update |
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8395
|
Tue Apr 2 21:11:42 2013 |
Rana | Update | optical tables | Optical Table Toolboxes Update |
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8408
|
Wed Apr 3 19:01:06 2013 |
Albert | Update | optical tables | Optical Table Toolboxes Update |
|
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|
8410
|
Wed Apr 3 23:22:20 2013 |
rana | Update | optical tables | Optical Table Toolboxes Update | There are some tips for how to appy
nail polish on YouTube from MKNails and MissJenFABULOUS.
Their tips on how to prepare the site for |
|
|
8445
|
Thu Apr 11 16:29:23 2013 |
Albert | Update | optical tables | Optical Table Toolboxes Update |
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8457
|
Mon Apr 15 17:44:28 2013 |
Albert | Update | optical tables | Optical Table Toolboxes Update | I decided to go see what the electrical
tape looks like on the other tools.
These are the tools I felt were necessary |
|
|
8502
|
Mon Apr 29 08:17:40 2013 |
Albert | Update | optical tables | Optical Table Toolboxes Update |
|
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|
11006
|
Wed Feb 11 18:44:53 2015 |
manasa | Update | General | Optical fiber module | I have moved the optical fiber
module for FOL to the PSL table. It is setup
on the optical table right now for testing. |
|
|
16445
|
Tue Nov 2 18:54:41 2021 |
Anchal, Paco | Update | BHD | Optical fibres laid for BHD upgrade | We successfully laid down all required
optical fibre fiber cables from 1X4-1X7
region to 1Y1-1Y3 region today. This includes |
|
|
17274
|
Wed Nov 16 18:41:17 2022 |
yuta | Summary | BHD | Optical gain calibrations for BHD MICH | Optical gains of AS55 and BH55 are calibrated
for BHD MICH.
LO-ITM single bounce: |
|
|
17279
|
Thu Nov 17 14:12:58 2022 |
yuta | Summary | BHD | Optical gain calibrations for BHD MICH with lower UGF | [Paco, Yuta]
We found that MICH UGF was unexpectedly |
|
|
12104
|
Mon May 2 19:14:18 2016 |
gautam | Update | endtable upgrade | Optical layout almost complete | With Steve's help, I installed the
Oplev earlier today. I adjusted the positions
of the two lenses until I deemed the spot |
|
|
12122
|
Thu May 19 16:29:20 2016 |
Steve | Update | endtable upgrade | Optical layout almost complete |
|
|
|
7090
|
Mon Aug 6 11:07:06 2012 |
Manasa | Update | 40m Upgrading | Optical layout updated | ACAD files of the 40m optical layout have
been updated as per the vent in Aug 2011.
Files are available at the 40m svn |
|
|
7125
|
Wed Aug 8 20:51:56 2012 |
Manasa | Update | 40m Upgrading | Optical layout updated |
|
|
|
7222
|
Fri Aug 17 18:49:55 2012 |
Manasa | Update | 40m Upgrading | Optical layout updated |
|
|
|
13432
|
Thu Nov 16 13:57:01 2017 |
gautam | Update | Optical Levers | Optical lever noise | I disabled the OL loops for ITMX, ITMY
and BS at GPStime 1194897655 to come up with
an Oplev noise budget. OL spots were reasonably |
|
|
13433
|
Thu Nov 16 15:43:01 2017 |
rana | Update | Optical Levers | Optical lever noise | I bet the calibration
is out of date; probably we replaced the |
|
|
13156
|
Tue Aug 1 16:05:01 2017 |
gautam | Update | Optical Levers | Optical lever tuning - cost function construction | Summary:
I've been trying |
|
|
13141
|
Tue Jul 25 02:03:59 2017 |
gautam | Update | Optical Levers | Optical lever tuning thoughts | Summary:
Currently, I am unable to engage
the coil-dewhitening filters without destroying |
|
|
13147
|
Fri Jul 28 15:36:32 2017 |
gautam | Update | Optical Levers | Optical lever tuning thoughts | Attachment #1 - Measured
error signal spectrum |
|
|
14733
|
Mon Jul 8 17:33:10 2019 |
Kruthi | Update | Loss Measurement | Optical scattering measurements | I came across a paper (see reference) where
they have used DAOPHOT, an astronomical software
tool developed by NOAO, to study the point |
|
|
7774
|
Sat Dec 1 16:58:14 2012 |
Manasa | Update | WIKI-40M Update | Optical tables | I have updated the wiki with the layout
of the out-of-vac optical tables: Updated |
|
|
3287
|
Sun Jul 25 18:47:23 2010 |
Alberto | Update | SVN | Optickle 40mUpgrade model updated to include short cavity length corrections | I uploaded an updated optickle model of
the upgrade to the SVN directory with the
optickle models (here). |
|
|
643
|
Mon Jul 7 19:15:38 2008 |
Alberto | Update | General | Optics alignement on the ABS length experiment | Today I started setting up the PLL instruments
to lock the frequency of the NPRO beam to
the IFO beam. with no need of a new alignment |
|
|
7313
|
Wed Aug 29 21:02:45 2012 |
Jenne | Update | IOO | Optics between Faraday and PRM are centered, realigned | [Jenne, Suresh, with support from Jamie
and Koji]
MC spots measured, MC1, MC3 no change. |
|
|
5729
|
Mon Oct 24 17:23:14 2011 |
SUS_Diagonalizer | Update | SUS | Optics kicked | This is a cron-elog test. No optics have been
kicked. |
|
|
5823
|
Sun Nov 6 09:39:25 2011 |
Dr. SUS | Update | SUS | Optics kicked | All suspended optics have been kicked at Sun
Nov 6 09:39:25 PST 2011. Watchdogs will
be reengaged in 5 hours. Please refrain from |
|
|
7523
|
Wed Oct 10 21:50:39 2012 |
SUS_Diagonalizer | Update | SUS | Optics kicked | All suspended optics have been kicked at Wed
Oct 10 21:50:39 PDT 2012. Watchdogs will
be reengaged in 90 minutes. |
|
|
7524
|
Thu Oct 11 00:22:58 2012 |
SUS_Diagonalizer | Update | SUS | Optics kicked | [quote]All suspended optics have been kicked
at Wed Oct 10 21:50:39 PDT 2012. Watchdogs
will be reengaged in 90 minutes. [/quote]
|
|
|
7979
|
Thu Jan 31 22:14:11 2013 |
rana | Summary | ASC | Optics lit | Gouy not Guoy:
http://www.rp-photonics.com/gouy_phase_shift.html
pronounced Goo-eee, with the emphasis |
|
|
7982
|
Fri Feb 1 12:22:27 2013 |
Zach | Summary | ASC | Optics lit | It's OK; even Siegman got it wrong---48
times.
RA: NO, stil not OK. |
|
|
13981
|
Mon Jun 18 14:32:42 2018 |
gautam | Update | PSL | Optics on AS table | Yesterday, I moved the following optics:
Lens in front of AS110
PD.
BS splitting light between |
|
|
13982
|
Mon Jun 18 15:59:17 2018 |
johannes | Update | PSL | Optics on AS table |
Quote:
|
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|
13983
|
Mon Jun 18 16:57:54 2018 |
Koji | Update | PSL | Optics on AS table | Of course, many (but no all) of the optics
were custom-ordered back in ~2000. |
|
|
14006
|
Fri Jun 22 14:18:04 2018 |
Steve | Update | PSL | Optics on AS table |
|
|
|
10454
|
Thu Sep 4 18:30:13 2014 |
Gabriele | Summary | ASC | Optimal Gouy phase for POP QPD | Jenne asked me to simulate the signals
on POP QPD when moving different mirrors,
as a function of the Gouy phase where the |
|
|
11407
|
Tue Jul 14 10:23:27 2015 |
Ignacio | Update | General | Optimal detector array placement thoughts | Over the past few days, I've been thinking
about how to workout the details conerning
Rana's request about a 'map' |
|
|
8987
|
Thu Aug 8 18:43:12 2013 |
Sujan | Summary | PEM | Optimally subtracting signals from two seismometers. | An exercise of optimally subtracting one
seismometer signal by another using weiner
filters was done. Results have been summarized |
|
|
16965
|
Thu Jun 30 18:06:22 2022 |
Paco | Update | ALS | Optimum ALS recovery - part I | [Paco]
In the morning I took some time
to align the AUX beams in the XEND table. |
|
|
16154
|
Sun May 23 18:28:54 2021 |
Jon | Update | CDS | Opto-isolator for c1auxey | The new HAM-A coil drivers have a single
DB9 connector for all the binary inputs.
This requires that the dewhitening switching signals |
|
|
16166
|
Fri May 28 10:54:59 2021 |
Jon | Update | CDS | Opto-isolator for c1auxey | I have received the opto-isolator needed
to complete the new c1auxey system. I
left it sitting on the electronics bench |
|
|
16178
|
Thu Jun 3 17:15:17 2021 |
Yehonathan | Update | CDS | Opto-isolator for c1auxey | As Jon wrote we need to use the NPN configuration
(see attachments). I tested the isolator
channels in the following way: |
|
|
16181
|
Thu Jun 3 22:08:00 2021 |
Koji | Update | CDS | Opto-isolator for c1auxey | - Could you explain what is the blue thing
in Attachment 1?
- To check the validity of the |
|
|
16182
|
Fri Jun 4 14:49:23 2021 |
Yehonathan | Update | CDS | Opto-isolator for c1auxey | I made a diagram (Attached). I think it
explains the blue thing in the previous post.
I don't know what is the grounding |
|
|
16183
|
Fri Jun 4 17:46:25 2021 |
unYehonathan | Update | CDS | Opto-isolator for c1auxey | I mounted the optoisolator on the DIN rail
and connected the 3 first channels
|
|
|
16184
|
Sun Jun 6 03:02:14 2021 |
Koji | Update | CDS | Opto-isolator for c1auxey | This RTS also use the BO interface with
an opto isolator. https://dcc.ligo.org/LIGO-D1002593
Could you also include the pull |
|
|
16186
|
Sun Jun 6 12:15:16 2021 |
Jon | Update | CDS | Opto-isolator for c1auxey | Since this Ocean Controls optoisolator
has been shown to be compatible, I've
gone ahead and ordered 10 more: |
|
|
16187
|
Sun Jun 6 15:59:51 2021 |
Yehonathan | Update | CDS | Opto-isolator for c1auxey | According to the BO interface circuit board
https://dcc.ligo.org/D1001266,
PCIN wires are connected to the coil driver |
|
|
16199
|
Mon Jun 14 15:31:30 2021 |
Yehonathan | Update | CDS | Opto-isolator for c1auxey | I checked the BI situation on the HAM-A
coil driver. It seems like these are
sinking BIs and indeed need to be isolated |
|