| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
11577
|
Fri Sep 4 15:20:31 2015 |
ericq | Update | LSC | Vertex Sensing | I've now made a collection of sensing
matrix measurements.
In all of the plots below, the |
|
|
4225
|
Sat Jan 29 00:31:05 2011 |
Suresh | Update | General | Vertex crane upgrade completed | The
Vertex crane is smarter and safer now. |
6x |
|
4233
|
Mon Jan 31 16:12:11 2011 |
steve | Update | VAC | Vertex crane upgrade shorth coming |
|
|
|
15035
|
Tue Nov 19 15:08:48 2019 |
gautam | Update | CDS | Vertex models rebooted | Jon and I were surveying the CDS situation
so that he can prepare a report for discussion
with Rolf/Rich about our upcoming BHD upgrade. |
|
|
93
|
Mon Nov 12 10:53:58 2007 |
pkp | Update | OMC | Vertical Transfer functions | [Norna Sam Pinkesh]
These plots were created by injected white |
|
|
105
|
Thu Nov 15 17:09:37 2007 |
pkp | Update | OMC | Vertical Transfer functions with no cables attached. | [Norna Pinkesh]
The cables connecting all the electronics |
|
|
12181
|
Wed Jun 15 09:52:02 2016 |
jamie | Update | CDS | Very encouraging results from overnight split daqd test | Very encouraging |
|
|
4266
|
Wed Feb 9 23:48:12 2011 |
Suresh | Configuration | Cameras | Video Cable work: New Labels | [Larisa, Aidan,Steve,Suresh]
Today was the first
session for implementing the new video cabling |
|
|
2304
|
Fri Nov 20 00:18:45 2009 |
rana | Summary | Cameras | Video MUX Selection Wiki page | Steve is summarizing the Video Matrix
choices into this Wiki page:
http://lhocds.ligo-wa.caltech.edu:8000/40m/Electronics/VideoMUX |
|
|
4519
|
Wed Apr 13 16:38:17 2011 |
Larisa Thorne | Update | Electronics | Video MUX camera/monitor check | [Kiwamu, Larisa]
The following Video MUX inputs(cameras) |
|
|
16661
|
Thu Feb 10 21:10:43 2022 |
Koji | Update | General | Video Mux setting reset | Now the video matrix is responding correctly
and the web interface shows up. (Attachment
1) |
|
|
12694
|
Fri Jan 6 17:00:26 2017 |
rana | Frogs | Treasure | Video of Lab Tour | In this video: https://youtu.be/iphcyNWFD10,
the comments focus on the orange crocs, my
wrinkled shirt, and the first aid kit. |
|
|
7945
|
Mon Jan 28 17:01:19 2013 |
Den | Update | Locking | Video of PRM-flat test cavity | What mode will you get if lock the cavity
PRM - ITMY/ITMX/TEST MIRROR without PR2,
PR3 and BS? |
|
|
7951
|
Tue Jan 29 10:50:02 2013 |
Jenne | Update | Locking | Video of PRM-flat test cavity |
I think Den accidentally edited and
overwrote my entry, rather than replying, |
|
|
2314
|
Mon Nov 23 16:28:12 2009 |
steve | Summary | Cameras | Video swicher options |
|
|
|
4498
|
Thu Apr 7 13:12:23 2011 |
Koji | HowTo | VIDEO | Video switching tip | Long time ago, I looked at the manual of
the video switcher.
|
|
|
4529
|
Fri Apr 15 02:30:24 2011 |
Koji | HowTo | VIDEO | Video switching tip | I have made a small python script to handle
the video matrix.
It is too far from the perfection, |
|
|
7839
|
Mon Dec 17 14:45:01 2012 |
Jenne | Update | Alignment | Videos with PRMI locked | [Jamie, Jenne]
Koji and Jamie locked the PRMI, and
then Jamie and I took some videos. |
|
|
10394
|
Thu Aug 14 22:16:02 2014 |
Jenne | Update | SUS | Violin Mode filters for ETMs | The instigator of this was that we were
seeing ring-ups of ETMs during our ALS locks
this evening. We measured the ETMY |
|
|
10393
|
Thu Aug 14 20:52:36 2014 |
rana | Update | Wiki | Violin Mode table added to Wiki | Mech
Resonance Wiki
I've updated the wiki by trawling |
|
|
9057
|
Fri Aug 23 01:52:34 2013 |
Jenne | Update | SUS | Violin filters moved to LSC, from SUS | [Rana, Jenne] |
|
|
9058
|
Fri Aug 23 14:19:28 2013 |
rana | Update | SUS | Violin filters moved to LSC, from SUS | Just to rephrase somewhat:
We balance the BS & PRM actuators |
|
|
8620
|
Wed May 22 18:24:19 2013 |
Jenne | Update | SUS | Violin mode survey |
|
|
|
4991
|
Tue Jul 19 20:36:08 2011 |
rana | Update | Computers | VirtualBox + Windows 7 on rossa | I installed Virtual Box on rossa. Then
I put Windows 7 in there and am now installing
Altium. |
|
|
7239
|
Tue Aug 21 00:35:25 2012 |
rana | Summary | IOO | Visibilities and Chrome | MC and PMC vis: |
|
|
13450
|
Wed Nov 22 17:52:25 2017 |
gautam | Update | Optimal Control | Visualizing cost functions | I've attempted to visualize the various
components of the cost function in the way
I've defined it for the current iteration |
|
|
3206
|
Tue Jul 13 13:56:29 2010 |
Gopal | Configuration | Optic Stacks | Vitol Material Properties | Viton flouroelastomers have somewhat variable
material properties. The following parameters
are being used for eigenfrequency analysis. |
|
|
3222
|
Wed Jul 14 19:00:56 2010 |
Gopal | Configuration | Optic Stacks | Vitol Material Properties, REVISED |
|
|
|
15084
|
Sun Dec 8 20:27:11 2019 |
rana | Update | Computers | Viviana upgrade to Ubuntu 16 | The IBM laptop at EX was running Ubuntu
14, so I allowed it to start upgrading itself
to Ubuntu16 as it desired. After it is done, |
|
|
1713
|
Thu Jul 2 05:27:12 2009 |
Clara | Update | PEM | Voltage Divider Oops | I tested the voltage dividers and was getting
up to about 3V. I retested the mic w/o the
voltage divider in place, and, lo and behold, |
|
|
2288
|
Wed Nov 18 00:38:33 2009 |
rana | Summary | Electronics | Voltage Noise of the SR560's OUTPUTs (the back panel) | I've
measured the voltage noise of the SR560's
lead acid battery outputs; they're not so |
|
|
8778
|
Thu Jun 27 23:18:46 2013 |
jamie | Update | Computer Scripts / Programs | WARNING: Matlab upgraded |
|
|
|
4816
|
Tue Jun 14 12:23:44 2011 |
Jamie, Joe | Update | CDS | WE ARE ALL GREEN! LSC back up and running in new configuration. | After moving the c1lsc computer to 1X4,
then connecting c1lsc to it's IO chassis
in 1Y3 by a fiber PCIe extension cable, everything |
|
|
1313
|
Mon Feb 16 21:49:06 2009 |
Kakeru, Rana | Update | IOO | WFS | We centerd the input of WFS QPD. |
|
|
6066
|
Sun Dec 4 13:56:54 2011 |
Den | Update | IOO | WFS | Yesterday I locked the MC and left at 8
pm. Analyzing the data I saw that MC was
locked all time from 8 pm to 12.30 am when |
|
|
6067
|
Sun Dec 4 23:49:38 2011 |
Den | Update | IOO | WFS |
|
|
|
15266
|
Wed Mar 11 18:12:53 2020 |
gautam | Summary | PSL | WFS Demod board modifications | [koji, gautam]
|
|
|
13936
|
Sun Jun 10 03:46:38 2018 |
Koji | Update | IOO | WFS HEAD SW confusion | I was checking on the slow machine channels
and found something I could not understand.
On the IOO WFS HEAD screen, there |
|
|
13946
|
Mon Jun 11 22:46:24 2018 |
Koji | Update | IOO | WFS HEAD SW confusion | The unfortunate discovery today was that
the attenuator switches on the IMC WFS heads
are actually assigned to individual segments, |
|
|
13960
|
Thu Jun 14 00:46:09 2018 |
rana | Update | IOO | WFS HEAD SW confusion | its painful, but you and I should probably
take these out, bypass the switches
and use them with fixed gain; |
|
|
5859
|
Wed Nov 9 21:48:43 2011 |
Suresh | Update | IOO | WFS Servo included into the MC_Autolocker | The WFS
servo loop will come on 5 seconds after the
MC is locked. |
|
|
3182
|
Thu Jul 8 19:43:16 2010 |
nancy | Update | IOO | WFS calculations | The WFS error signals were recorded in
the order
WFS1_PIT |
|
|
3184
|
Thu Jul 8 21:44:43 2010 |
nancy | Update | IOO | WFS calculations |
I just found the singular values
and the condition number of the 4*4 matrix |
|
|
7444
|
Wed Sep 26 23:55:14 2012 |
Jenne | Update | IOO | WFS centered | Since the MC spots are good, I put the
beam back on WFS 1 and WFS 2.
Also, I changed the indicators on |
|
|
1358
|
Thu Mar 5 00:06:32 2009 |
Kakeru, Rana | Update | IOO | WFS centering | We found that the MC REFL image was no longer
round and that the MCWFS DC quadrant spots
were mostly
|
|
|
1391
|
Wed Mar 11 23:41:33 2009 |
Kakeru, Yoichi | Update | IOO | WFS centering | We found the MC reflection was distorted
. And WFC beam went to upward of QPD
We recentered WFC beam and these |
|
|
15450
|
Sun Jul 5 18:25:42 2020 |
rana | Update | Electronics | WFS characterization | in the lab, checkin on the WFS
Sun Jul 5 18:25:50 2020
I redid Gautam's measurements |
|
|
15547
|
Sat Aug 29 20:07:48 2020 |
rana | Update | Electronics | WFS characterization | I set up to do the WFS head modifications
today, but I was shot down in flames due
to a missing AC/DC adapter. |
|
|
15548
|
Sat Aug 29 22:10:09 2020 |
gautam | Update | Electronics | WFS characterization | Clearly this "riff raff" is referring
to me. It won't help today I guess but
there is one each on the carts holding the |
|
|
15472
|
Sun Jul 12 22:40:35 2020 |
gautam | Update | Electronics | WFS characterization - old SURF report | After some hunting, I found this
old SURF report with the WFS head measurements.
The y-axes don't make much sense to me, |
|