| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
6222
|
Wed Jan 25 15:04:41 2012 |
Jenne | Bureaucracy | SAFETY | 40m SOS supplies moved off of cleanroom flow bench | Bob, Callum and Daphen noted that our keeping
a JDSU HeNe (max power <4mW) is against
somebody's SOP. So I cleared everything |
|
|
6974
|
Fri Jul 13 15:49:38 2012 |
yuta | Bureaucracy | General | 40m Priority Action Items | These are all priority action items need
to be done before I come back (in mid-September).
|
|
|
15323
|
Sat May 9 17:01:08 2020 |
Yehonathan | Update | Loss Measurement | 40m Phase maps loss estimation | I took the phase maps of the 40m X arm
mirrors and calculated what is the loss of
a gaussian beam due to a single bounce. I |
|
|
15329
|
Wed May 13 15:13:11 2020 |
Yehonathan | Update | Loss Measurement | 40m Phase maps loss estimation | Koji pointed out during the group meeting
that I should compensate for local tilt when
I move the beam around the mirror for calculating |
|
|
15332
|
Thu May 14 12:21:56 2020 |
Yehonathan | Update | Loss Measurement | 40m Phase maps loss estimation | I finished calculating the X Arm loss using
first-order perturbation theory. I will post
the details of the calculation later. |
|
|
15333
|
Thu May 14 19:00:43 2020 |
Yehonathan | Update | Loss Measurement | 40m Phase maps loss estimation | Perturbation theory:
The cavity modes |
|
|
15338
|
Tue May 19 15:39:04 2020 |
Yehonathan | Update | Loss Measurement | 40m Phase maps loss estimation | I have a serious concern about this low
angle scattering analysis:
Phase maps perturb the spatial |
|
|
3451
|
Fri Aug 20 17:46:30 2010 |
rana | Update | PSL | 40m PSL Upgrade Layout v0.3 | http://lhocds.ligo-wa.caltech.edu:8000/40m/PSL/LayoutUpgrade
P-pol = purple
S-pol = red |
|
|
14366
|
Wed Dec 19 00:12:46 2018 |
gautam | Update | OMC | 40m OMC DCC node | I made a node
to collect drawings/schematics for the 40m
OMC, added the length drive for now. We should |
|
|
8786
|
Fri Jun 28 16:19:06 2013 |
Charles | Update | ISS | 40m Noise Budget - Seismic Contribution | I'm working on developing a full
noise budget for the 40m. To that end, I'll
use measurements from the GUR1 seismometer |
|
|
6668
|
Wed May 23 20:41:37 2012 |
Suresh | Bureaucracy | General | 40m Meeting Action Items: Tip-tilts : cabling and electronics |
|
|
|
6520
|
Wed Apr 11 16:33:16 2012 |
Jenne | Bureaucracy | General | 40m Meeting Action Items | Action
Items from Last Week:
(non-existant) |
|
|
6597
|
Thu May 3 13:35:56 2012 |
Jenne | Bureaucracy | General | 40m Meeting Action Items | Action
Items:
IFO |
|
|
6636
|
Wed May 9 15:50:13 2012 |
Jenne | Bureaucracy | General | 40m Meeting Action Items | I'm combining the IFO check-up list (elog
6595) and last week's action items list |
|
|
6667
|
Wed May 23 13:57:11 2012 |
Jenne | Bureaucracy | General | 40m Meeting Action Items | PRIORITY
ITEMS:
Align Ygreen beam - |
|
|
Draft
|
Sat Apr 10 11:56:14 2021 |
Jon | Update | CDS | 40m LSC simPlant model | Summary
Yesterday I resurrected
the 40m's LSC simPlant model, c1lsp. |
|
|
16021
|
Tue Apr 13 16:24:38 2021 |
Ian MacMillan | Update | CDS | 40m LSC simPlant model | Added Matlab to the Docker machine. This
should help immensely with workflow as well
as keeping installed libraries consistent. |
|
|
16050
|
Mon Apr 19 13:15:20 2021 |
Ian MacMillan | Update | CDS | 40m LSC simPlant model | The x1SUSsim model on the docker was made
in a more recent version of Simulink so I
updated Matlab (see |
|
|
16059
|
Wed Apr 21 10:03:01 2021 |
Ian MacMillan | Update | CDS | 40m LSC simPlant model | So I am stuck on how to add the control
block to my model. I am trying to make it
as simple as possible with just a simple |
|
|
16061
|
Wed Apr 21 11:01:37 2021 |
Rana | Update | CDS | 40m LSC simPlant model | The controller would be in the c1sus model,
and connects to the c1sup plant model. So
the controller doesn't go in the plant |
|
|
16081
|
Fri Apr 23 15:52:19 2021 |
Ian MacMillan | Update | CDS | 40m LSC simPlant model | I have attached the framework that I am
using for the full system. Plantframework.pdf
has the important aspects that I will be |
|
|
11433
|
Tue Jul 21 21:25:18 2015 |
Max Isi | Update | General | 40m LDAS account | A shared LIGO Data Grid (LDG) account was
created for use by the 40m lab. The purpose
of this account is to provide access to the |
|
|
9571
|
Thu Jan 23 13:23:10 2014 |
Steve | Update | VAC | 40m IFO is at atmosphere |
|
|
|
6895
|
Fri Jun 29 13:11:31 2012 |
steve | Update | VAC | 40m IFO at atm | The 4 hrs vent plot at 3 torr/min
rate.
Nitrogen was used from 1e-6 torr |
|
|
1998
|
Thu Sep 24 19:35:20 2009 |
rana | HowTo | Photos | 40m Google account | I've created a 40m Google account. Please
post all the 40m related photos to this site.
If you don't already have it, download Picasa |
|
|
1213
|
Fri Jan 2 17:20:44 2009 |
rana | Summary | Computer Scripts / Programs | 40m GWINC | I have made a '40m' directory in the iscmodeling
CVS tree which allows one to run a 40m version
of GWINC.
|
|
|
6034
|
Tue Nov 29 07:45:56 2011 |
rana, josh | Summary | Computer Scripts / Programs | 40m Daily News web pages | As part of the initiative to
get a good daily summary page for aLIGO commissioning,
Josh is spearheading his |
|
|
7670
|
Mon Nov 5 13:28:15 2012 |
jamie | Update | General | 40m DCC document tree | Link to the new 40m
DCC Document Tree: E1200979 |
|
|
15928
|
Wed Mar 17 09:05:01 2021 |
Paco, Anchal | Configuration | Computers | 40m Control Room Changes |
Switched positions of allegra and
donatella.
While doing so, the
hdmi cable previously used by donatella snapped. |
|
|
16027
|
Wed Apr 14 13:16:20 2021 |
Anchal | Configuration | Computers | 40m Control Room Changes |
I have confirmed that the old two
monitors' backlighting is not working.
One can see the impression of the display |
|
|
2824
|
Wed Apr 21 11:32:31 2010 |
josephb | Update | CDS | 40m CDS hardware update and software requests | This is mostly a reminder to myself about
what I discussed with Jay and Alex this morning.
The big black IO chassis are "almost" |
|
|
13560
|
Fri Jan 19 15:22:19 2018 |
Udit Khandelwal | Summary | General | 40m CAD update 2018/01/19 | 40m CAD Project
All parts will be now named
according to the numbering system in this |
|
|
6720
|
Wed May 30 22:04:13 2012 |
Jenne | Bureaucracy | General | 40m Action Items | .....including:
fix Q of Vio2 filter in SUS. - JENNE
Switch power source for beatnote |
|
|
6843
|
Thu Jun 21 02:57:16 2012 |
Jenne | Bureaucracy | General | 40m Action Items | PRIORITY
ITEMS:
|
|
|
15456
|
Mon Jul 6 15:10:40 2020 |
Jon | Summary | BHD | 40m --> A+ BHD design analysis | As suggested last week, Hang and I have
reviewed the A+ BHD status
(DRD, CDD, and reviewers' comments) and |
|
|
8540
|
Tue May 7 17:43:51 2013 |
Jamie | Update | Computers | 40MARS wireless network problems | I'm not sure what's going on today but
we're seeing ~80% packet loss on the 40MARS
wireless network. This is obviously |
|
|
8541
|
Tue May 7 18:16:37 2013 |
Jamie | Update | Computers | 40MARS wireless network problems | Here's an example of the total horribleness
of what's happening right now:
controls@rossa:~ 0$ ping 192.168.113.222
PING |
|
|
8762
|
Thu Jun 27 05:44:51 2013 |
rana | Update | | 40MARS wireless network problems |
|
|
|
8763
|
Thu Jun 27 10:45:41 2013 |
Steve | Update | General | 40MARS wireless network problems |
|
|
|
8605
|
Tue May 21 16:23:06 2013 |
Manasa | Update | General | 40MARS wireless network problem RETURNS |
|
|
|
8782
|
Fri Jun 28 11:33:32 2013 |
Steve | Update | | 40MARS wireless network problem |
|
|
|
3081
|
Wed Jun 16 18:12:16 2010 |
nancy | Configuration | Computers | 40MARS | i added my laptop's mac address to teh
martian at port 13 today.
|
|
|
3083
|
Wed Jun 16 18:44:07 2010 |
Alberto | Configuration | Computers | 40MARS |
|
|
|
7445
|
Thu Sep 27 13:05:55 2012 |
Eric Gustafson | Update | LSC | 40 meter photodiode frequency response measurement system installation | Jenne, Mike and |
|
|
7448
|
Thu Sep 27 17:00:41 2012 |
Eric Gustafson | Update | LSC | 40 meter photodiode frequency response measurement system installation | Mike and I installed all of the telescopes
and launching hardware for REFL11, REFL33,
REFL55, AS55, MCRef, POX11 and POP55. On |
|
|
16261
|
Tue Jul 27 23:04:37 2021 |
Anchal | Update | LSC | 40 meter party | [ian, anchal, paco]
After our second attempt of locking
PRFPMI tonight, we tried to resotre XARM |
|
|
1717
|
Tue Jul 7 15:08:49 2009 |
Koji | Summary | Photos | 40 high school students visited 40M | Alan and Alberto conducted a tour of 40
high-school students.
It may be the same tour that Rana |
|
|
2283
|
Tue Nov 17 15:54:34 2009 |
rana | Summary | PEM | 40 days of weather | the inside temperature is alarming at the
red level today - should check if the HIHI
value is set correctly |
|
|
268
|
Fri Jan 25 15:53:59 2008 |
Alberto | Update | Electronics | 40 dB from the 3rd order Chebyschev | I managed to tune the 7 knobs in the 3rd order
Chebyshev bandpass filter obtaining the tranfer
function attached to this entry. We have |
|
|
1420
|
Tue Mar 24 09:04:02 2009 |
steve | Update | SUS | 4.8 mag earthquake | SRM, ITMX, ETMX, ITMY and ETMY lost damping
at 4:55am this morning from 4.8 magnitude
earthquake. |
|