ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
7351
|
Thu Sep 6 17:06:25 2012 |
Rijuparna Chakraborty | Configuration | elog | Cavitymode scan | Aim: to scan the cavitymodes of IMC
The circuit used:
Attachment4 |
   |
7435
|
Mon Sep 24 20:28:13 2012 |
rana | Summary | elog | restarted elog: was unresponsive | |
|
8586
|
Wed May 15 23:38:04 2013 |
rana | Update | elog | categories trimmed | I deleted a bunch of useless categories
from the 40m elogd.cfg file. IF you find
your category has been deleted, you can now |
|
9603
|
Wed Feb 5 18:36:56 2014 |
rana | Frogs | elog | MicroSoft BingBot is attacking us | The ELOG was frozen, with this in
the .log file:
GET /40m/?id=1279&select=1&rsort=Type |
|
10006
|
Fri Jun 6 14:56:09 2014 |
ericq | Update | elog | Aaaaaand we're back! | ELOG is back up and running after last
Friday's disk-crash-a-thon. SVN is still
a work in progress. Jenne and I are now restarting |
|
10096
|
Wed Jun 25 01:18:24 2014 |
Akhil | Update | elog | Weekly Update | Plans
for the Week:
Phase and noise characterization |
|
10101
|
Wed Jun 25 14:52:22 2014 |
Andres Medina | Update | elog | Placing a lens between the steering mirrors and another lens between the second steering mirror and the cavity | I was asked to calculate the lenses
that we need in order to obtained a Gouy
phase close to 90 degrees between the two |
|
10309
|
Thu Jul 31 18:54:03 2014 |
Chris | Frogs | elog | MicroSoft BingBot is attacking us |
|
|
10311
|
Thu Jul 31 21:21:49 2014 |
Koji | Frogs | elog | MicroSoft BingBot is attacking us | Oh,
this is cool! Thanks!
I could not figure out how to place |
|
10827
|
Mon Dec 22 13:34:34 2014 |
Koji | Update | elog | Strange ELOG serach | I tried to find my own entry and faced
with a strange behavior of the elog.
The search button invoked the following |
|
10830
|
Mon Dec 22 16:21:15 2014 |
ericq | Update | elog | Strange ELOG search | In order to fix ELOG search, I have started
running ELOG v2.9.2 on Nodus.
Sadly, |
|
10839
|
Tue Dec 23 16:49:32 2014 |
ericq | Update | elog | Strange ELOG search | So, despite having registered users,
it turns out that the "Author"
field is still open for editing when making |
|
11002
|
Wed Feb 11 16:49:41 2015 |
rana | Update | elog | ELOGD restarted | No elog
response from outside and no elogd process
|
|
11251
|
Sun Apr 26 00:08:56 2015 |
rana | HowTo | elog | Troubles with putting plots in external locations | If it all possible, don't use links
to your home directory. Its not robust. It
would be like if you clicked on your Google |
|
12049
|
Sat Mar 26 18:28:24 2016 |
Koji | Update | elog | elogd flakiness | Elogd have been restarted several times
today because it died everytime I submit
something. |
|
12764
|
Fri Jan 27 19:40:03 2017 |
rana | Metaphysics | elog | word wrapping & large images | "Why does the word wrapping not work
in our browsers with ELOG?" I sometimes
wonder. Some of the elogs are fine, but often |
|
13879
|
Tue May 22 17:29:27 2018 |
keerthana | Update | elog | MEDM Diagram for the auxilary laser system control and display. | (keerthana, gautam, jon)
In the morning, Jon gave me an
overview of the Auxiliary laser system which |
|
13926
|
Thu Jun 7 14:35:26 2018 |
keerthana | Update | elog | Table- useful for doing the scanning. | I think this table will help us to fix
the scanning range of the Marconi frequency.
This will also help in predicting the position |
|
13938
|
Mon Jun 11 11:45:13 2018 |
keerthana | Update | elog | Comparison of the analytical and finesse values of TMS and FSR. |
Quantity
|
|
13941
|
Mon Jun 11 18:10:51 2018 |
Koji | Update | elog | Comparison of the analytical and finesse values of TMS and FSR. | Hmm? What is the definition of the percentage
error? I don't obtain these numbers from
the given values. |
|
13943
|
Mon Jun 11 19:16:49 2018 |
keerthana | Update | elog | Comparison of the analytical and finesse values of TMS and FSR. | The percentage error which I found out
=[(analytical value - finesse value)/analytical
value]*100 |
|
13944
|
Mon Jun 11 22:05:03 2018 |
Koji | Update | elog | Comparison of the analytical and finesse values of TMS and FSR. | > The percentage error which I found
out =[(analytical value - finesse value)/analytical
value]*100 |
|
13945
|
Mon Jun 11 22:18:18 2018 |
keerthana | Update | elog | Comparison of the analytical and finesse values of TMS and FSR. | Oopss !! I made a mistake while taking
the values from my notes. Sorry.
|
|
13954
|
Wed Jun 13 11:59:03 2018 |
keerthana | Update | elog | command line enabled code for frequency scanning | I have modified the code for frequency
scanning and have made it completely command
line enabled. The code is written in python. |
|
13995
|
Thu Jun 21 13:24:00 2018 |
keerthana | Update | elog | The cavity scan data of June 20 | (Jon, Keerthana, Sandrine)
We tried to align the AUX and PSL
laser yesterday. We collected the data from |
 |
14039
|
Thu Jul 5 17:33:36 2018 |
keerthana, sandrine | Update | elog | Lights not working |
N/S ARM FL.
N/S ARM
INC.
These two lights inside
the 40m-lab are not working. |
|
14040
|
Thu Jul 5 17:58:04 2018 |
keerthana, sandrine | Update | elog | | (Analisa, Sandrine, Keerthana)
Today Annalisa helped us to understand
the new set up used to make the frequency |
 |
14057
|
Thu Jul 12 14:06:39 2018 |
keerthana | Update | elog | Finesse and Analytical solution - Comparison | I tried to compare the cavity scan data
we get from the Finesse simulation and that
we expect from the Analytical solution. The |
   |
14336
|
Fri Dec 7 19:42:47 2018 |
rana | Frogs | elog | can't upgrade DokuWiki because of PHP / SL7 | All of our wikis (except the 40m one which
unfortunately got turned into ligo.org mess)
use DokuWiki. This now has an auto-upgrade |
|
15274
|
Fri Mar 13 12:48:47 2020 |
Larry Wallace | Update | elog | Cert Renewal | Updated the cert in /etc/httpd/ssl.
The new cert is good until March 12, 2022. |
|
16041
|
Fri Apr 16 11:31:00 2021 |
rana | Update | elog | elog stuck ~10 AM today | found it unresponsive. Restarted fine using
procedure documented in wiki |
|
8606
|
Tue May 21 17:03:45 2013 |
Steve | Update | endtable upgrade | enclosure tops are sealed |
|
   |
8628
|
Thu May 23 12:02:48 2013 |
Steve | Update | endtable upgrade | ETMY - oplev | Temporary oplev in place. The spot
on the qpd is still big. My two lens solution
did not work. |
|
8655
|
Thu May 30 11:10:00 2013 |
Steve | Update | endtable upgrade | ETMY - oplev |
|
|
8660
|
Thu May 30 20:45:53 2013 |
Annalisa | Update | endtable upgrade | ETMY - oplev |
|
|
8662
|
Fri May 31 11:15:01 2013 |
Annalisa | Update | endtable upgrade | ETMY - Mode Matching for green - new calculation | Since the beam waist after the Faraday
had changed since the last time I measured
it (maybe alignment changed a bit), I made |
|
8669
|
Tue Jun 4 10:44:13 2013 |
Steve | Update | endtable upgrade | PI pzt holders are ready | The PI pzt holders are back from the shop.
They are numbered 1, 2 & 3 and machined
to match. |
|
8685
|
Thu Jun 6 09:58:13 2013 |
Steve | Update | endtable upgrade | enclosure to chamber connection |
Thin
wall connector from McMCarr#55275K25 |
 |
8746
|
Tue Jun 25 19:18:07 2013 |
gautam | Configuration | endtable upgrade | plan of action for PZT installation | This entry is
meant to be a sort of inventory check and |
|
8800
|
Wed Jul 3 21:19:04 2013 |
gautam | Configuration | endtable upgrade | plan of action for PZT installation | This is an update on the situation
as far as PZT installation is concerned.
I measured the required cable (PZT driver |
 |
8804
|
Mon Jul 8 13:45:19 2013 |
gautam | Configuration | endtable upgrade | Driver board verification | With the help of an expansion card, I
verified that the + 15V and + 24V
from the eurocrate in the slot I've identified |
|
8823
|
Wed Jul 10 22:41:06 2013 |
gautam | Configuration | endtable upgrade | PZT Driver Board | I
did the following with the |
|
8827
|
Thu Jul 11 09:15:10 2013 |
Steve | Update | endtable upgrade | ETMY optable grounded | ETMY optical table top was grounded to
the ETMY chamber through 1 Mohms this morning.
I also strain releifed |
|
8845
|
Mon Jul 15 11:51:18 2013 |
gautam | Configuration | endtable upgrade | DAC at 1Y4-Max Output and Power Spectrum | Summary:
I measured the maximum output of
the DAC at 1Y4 as well as its power spectrum. |
    |
8846
|
Mon Jul 15 13:51:17 2013 |
Koji | Configuration | endtable upgrade | DAC at 1Y4-Max Output and Power Spectrum | We need the unit of the voltage power spectrum
density to be V/sqrt(Hz). |
|
8848
|
Mon Jul 15 15:54:20 2013 |
gautam | Configuration | endtable upgrade | DAC at 1Y4- Power Spectrum -with the right units |
|
  |
8852
|
Mon Jul 15 17:20:43 2013 |
Jenne | Configuration | endtable upgrade | DAC at 1Y4- Power Spectrum -with the right units | Those 'peaks' for the oscillations seem
ridiculously broad. I think you should
look again, really quickly, with smaller |
|
8853
|
Mon Jul 15 17:59:31 2013 |
gautam | Configuration | endtable upgrade | DAC at 1Y4- Power Spectrum -6.4kHz bandwidth |
|
|
8857
|
Tue Jul 16 14:51:09 2013 |
gautam | Configuration | endtable upgrade | AI Board-D000186-Modified notches | I tried shifting the notch frequencies
on the D000186-revision D board given to
me by Koji. The existing notches were at |
|
8873
|
Thu Jul 18 19:09:08 2013 |
gautam | Configuration | endtable upgrade | QPD Calibration for PZT Calibration | Summary
I have been working on setting up
a QPD which can eventually be used to calibrate |
  |