| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
6480
|
Tue Apr 3 14:11:33 2012 |
keiko | Update | LSC | RAM simulation for Full ifo |
|
|
|
6481
|
Tue Apr 3 14:17:18 2012 |
keiko | Update | LSC | RAM simulation for Full ifo | I add a flow-chart drawing what the scripts
do and how the scripts calculate the LSC
matrix. |
|
|
6482
|
Tue Apr 3 15:50:58 2012 |
keiko | Update | LSC | RAM simulation for Full ifo | Oops,
Yesterday's results for DARM was wrong! |
|
|
6483
|
Tue Apr 3 22:50:37 2012 |
keiko | Update | LSC | RAM simulation for Full ifo | Koji and
Jamie suggested me to include the coupling
between DoFs when I calculate the last matrix. |
|
|
6486
|
Wed Apr 4 23:57:35 2012 |
keiko | Update | LSC | RAM simulation for Full ifo | I'm still wondering whether iteration
version or simple version is closer approximation
to the real situation. Sorry for few explanations |
|
|
6504
|
Sat Apr 7 00:31:12 2012 |
keiko | Update | LSC | RAM simulation for Full ifo | I didn't
understand how CARM can be decreased 2 orderes
of magnitude and PRCL can be INCREASED by |
|
|
6358
|
Mon Mar 5 18:12:00 2012 |
Keiko | Update | LSC | RAM simulation update | I wrote an RAM simulation script
... it calculates the LSC signal offset and
the operation point offset depending on the |
|
|
6363
|
Tue Mar 6 15:22:02 2012 |
Keiko | Update | LSC | RAM simulation update |
|
|
|
6400
|
Mon Mar 12 01:04:18 2012 |
keiko | Update | LSC | RAM simulation update, RAM LSC matrix | I calculated the DRMI RAM LSC
matrix with RAM and the operation point offsets.
configuration: C1 DRMI
|
|
|
6401
|
Mon Mar 12 18:57:58 2012 |
keiko | Update | LSC | RAM simulation update, RAM LSC matrix |
|
|
|
6138
|
Mon Dec 19 23:50:23 2011 |
Zach | Update | RF System | RAMmon | I have been looking at the swings in the
RAMmon channels since the heater was reengaged,
to compare them to the data from beforehand |
|
|
6109
|
Mon Dec 12 16:57:38 2011 |
Jenne | Update | RF System | RAMmon, 4 day trend | EOM was aligned to minimize the 11 and
55 MHz peaks in the RAMmon PD the other day
(elog |
|
|
6111
|
Tue Dec 13 11:34:32 2011 |
Jenne | Update | RF System | RAMmon, 5 day trend | Now we've got another day of data, with
the foam box on for the last 24hrs.
First plot is a 5 day trend so you |
|
|
2805
|
Mon Apr 19 05:54:50 2010 |
rana | Configuration | PSL | RC Temperature Servo Turned OFF temporarily | In order to measure the transfer function
of the RC cavity's foam, I've turned off
the servo so that the room temperature noise |
|
|
2873
|
Mon May 3 17:49:41 2010 |
rana | Configuration | PSL | RC Temperature Servo Turned OFF temporarily |
|
|
|
2875
|
Tue May 4 02:28:38 2010 |
rana | Configuration | PSL | RC Temperature Servo Turned OFF temporarily |
My attempt to passively measure |
|
|
2876
|
Tue May 4 06:32:58 2010 |
alberto | Configuration | PSL | RC Temperature Servo Turned OFF temporarily |
|
|
|
2881
|
Wed May 5 02:37:55 2010 |
rana | Configuration | PSL | RC Temperature Servo Turned OFF temporarily |
|
|
|
12103
|
Mon May 2 17:11:55 2016 |
rana | Update | COC | RC folding mirrors | Antonio/Gautam
are now developing a more up to date Finesse
model of our recycling cavities to see what |
|
|
12407
|
Sat Aug 13 18:25:22 2016 |
gautam | Update | COC | RC folding mirrors - Numerical review | This elog
is meant to summarize my numerical simulations
for looking into the effects of curvature |
|
|
12413
|
Tue Aug 16 11:51:43 2016 |
gautam | Update | COC | RC folding mirrors - Numerical review | Summary of roundtable meeting yesterday
between EricG, EricQ, Koji and Gautam:
We identified two possible courses |
|
|
12414
|
Tue Aug 16 16:38:00 2016 |
gautam | Update | COC | RC folding mirrors - Numerical review | Here are the results for case 2: (flat
PR3/SR3, for purpose of simulation, I've
used a concave mirror with RoC in the range |
|
|
12417
|
Wed Aug 17 14:37:36 2016 |
gautam | Update | COC | RC folding mirrors - Numerical review |
|
|
|
12418
|
Wed Aug 17 16:28:46 2016 |
Koji | Update | COC | RC folding mirrors - Numerical review | For the given range of the PR3/SR3 RoCs
for both cases, all the resulting numbers
such as TMSs/mode matching ratios look reasonable |
|
|
12847
|
Thu Feb 23 10:59:53 2017 |
gautam | Update | COC | RC folding mirrors - coating optimization | I've now made
a |
|
|
12887
|
Tue Mar 14 10:56:33 2017 |
gautam | Update | COC | RC folding mirrors - coating optimization | Rana suggested including some additional
terms to the cost function to penalize high
sensitivity to deviations in the layer thickness |
|
|
12219
|
Tue Jun 28 16:06:09 2016 |
gautam | Update | COC | RC folding mirrors - further checks | Having investigated the mode-overlap as
a function of RoC of the PRC and SRC folding
mirrors, I've now been looking into possible |
|
|
12631
|
Mon Nov 21 15:34:24 2016 |
gautam | Update | COC | RC folding mirrors - updated specs |
p.p1 {margin:
0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica
Neue'; -webkit-text-stroke: #000000}
li.li1 |
|
|
12936
|
Mon Apr 10 15:37:11 2017 |
gautam | Update | COC | RC folding mirrors - v3 of specs uploaded | Koji and I have been going over these calculations
again before we send a list of revised requirements
to Ramin. I've uploaded v3 of the specs |
8x |
|
11573
|
Fri Sep 4 08:00:49 2015 |
Ignacio | Update | CDS | RC low pass circuit (1s stage) of Pentek board | Here is the
transfer function and cutoff frequency (pole)
of the first stage low pass circuit of the |
|
|
1986
|
Sat Sep 12 15:40:15 2009 |
rana | Update | PSL | RC response v. can temperature | I stepped the RC can temperature |
|
|
2649
|
Mon Mar 1 22:38:12 2010 |
rana | Update | Computers | RC sensitivity to RIN | The overnight triangle wave I ran on the
AOM drive turns out to have produced no signal
in the FAST feedback to the PZT. |
|
|
954
|
Wed Sep 17 13:43:54 2008 |
Yoichi | Configuration | PSL | RC sweep going on | I'm doing a cavity sweep of the RC. Please
leave the IFO untouched until the meeting
is over. |
|
|
957
|
Wed Sep 17 15:22:31 2008 |
Yoichi | Configuration | PSL | RC sweep going on | [quote]I'm doing a cavity sweep of the RC.
Please leave the IFO untouched until the
meeting is over.[/quote]
|
|
|
959
|
Wed Sep 17 17:58:35 2008 |
Yoichi | Configuration | PSL | RC sweep going on | The cavity sweep is done. The IFO is free
now. |
|
|
1995
|
Wed Sep 23 19:36:41 2009 |
rana | Update | PSL | RC temperature performance | This first plot shows the RC temperature
channels' performance from 40 days ago, before
we disabled the MINCO PID controller. Although |
|
|
1978
|
Tue Sep 8 20:15:33 2009 |
rana, jenne | Summary | PSL | RC temperature servo: Heater Voltage noise | We measured the voltage noise of the
heater used to control the RC can temperature.
It is large. |
|
|
1957
|
Thu Aug 27 14:00:33 2009 |
rana | Update | PSL | RC thermal servo impulse response | I stepped the TIDALSET and looked at
what happened. Loop was closed with the very |
|
|
1970
|
Mon Sep 7 23:35:03 2009 |
rana | Update | PSL | RC thermal servo: PID script modified, database + screen added | I have added the records for the RC thermal
PID servo into the psl/slowpid.db file which
also holds the records for the SLOW servo |
|
|
3190
|
Sun Jul 11 20:11:48 2010 |
rana | Summary | PSL | RC trend after the insulation removal | |
|
|
3232
|
Thu Jul 15 19:27:04 2010 |
rana | Summary | PSL | RC trend after the insulation removal | |
|
|
6356
|
Mon Mar 5 15:15:15 2012 |
Den | Update | PEM | RCG | [Alex / Den]
I've encountered a problem that C1:PEM-SEIS_GUR1_X_IN1
is saved in the int format. It turned out |
|
|
6999
|
Sat Jul 21 14:48:33 2012 |
Den | Update | CDS | RCG | As I've spent many hours trying to determine
the error in my C code for online filter
I decided to write about it to prevent people |
|
|
11347
|
Mon Jun 8 15:51:31 2015 |
ericq | Update | CDS | RCG Diagnostics | I've started making some model changes
for RCG diagnostic tests.
I put some blocks down in C1TST |
|
|
11435
|
Wed Jul 22 14:10:04 2015 |
ericq | Update | CDS | RCG Diagnostics | Now that we've seemed to landed on
a working configuration, I've re-ran
the tests first described in ELOG |
|
|
2233
|
Wed Nov 11 01:33:52 2009 |
pete | Update | CDS | RCG ETMY code update | I've added the side coil to the model
controller and plant, and the oplev quad
to the model controller and plant. After |
|
|
2243
|
Wed Nov 11 20:46:07 2009 |
pete | Update | CDS | RCG ETMY phase I update | The .mdl code for the mdc and
mdp |
|
|
2198
|
Fri Nov 6 18:52:09 2009 |
pete | Update | Computers | RCG ETMY plan | Koji, Joe, and I are planning
to try controlling the ETMY, on Monday or
Tuesday. Our plan is to try to do this |
|
|
11340
|
Mon Jun 1 10:26:53 2015 |
ericq | Update | CDS | RCG Upgrade Imminent | We
are planning on upgrading the 40 CDS system
to the latest version of the LIGO RCG software, |
|
|
11342
|
Mon Jun 1 20:05:36 2015 |
rana | Update | CDS | RCG Upgrade Imminent |
|
|