| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
4606
|
Tue May 3 05:32:04 2011 |
kiwamu | Update | LSC | daytime tasks | Daytime tasks :
- PRM & BS oplev (Steve) |
|
|
4607
|
Tue May 3 10:21:25 2011 |
Koji | Update | LSC | daytime tasks | I think the installation of the PD DC
signals are quite important. What to do
1) Connect the DC signals to the right |
|
|
4610
|
Tue May 3 11:49:03 2011 |
Koji | Update | LSC | daytime tasks | Done. C1:PSL-PMC_PMCTRANSPD was improved
from ~0.75 to 0.87.
|
|
|
6412
|
Wed Mar 14 05:26:39 2012 |
interferomter tack force | Update | General | daytime tasks | The
following tasks need to be done in the daytime
tomorrow. |
|
|
6416
|
Wed Mar 14 14:09:01 2012 |
interferomter tack force | Update | General | daytime tasks |
|
|
|
4142
|
Wed Jan 12 02:41:19 2011 |
kiwamu | Update | General | daytime tasks for tomorrow | [Rana, Kiwamu]
Here
is the list for the daytime tasks of tomorrow, |
|
|
14492
|
Thu Mar 21 18:09:36 2019 |
Koji | Update | CDS | db file preparation for acromag c1susaux | I have updated the google doc spreadsheet
to indicate the required action for the new
dbfile |
|
|
14462
|
Fri Feb 15 21:15:42 2019 |
gautam | Update | VAC | dd backup of c1vac made |
Connected one of the solid-state
drives to c1vac. It was /dev/sdb.
Formatted
the drive using sudo mkfs -t |
|
|
9937
|
Fri May 9 11:23:11 2014 |
steve | Update | Green Locking | decreased X green light power | Green light power decreased from 3 mW to
1 mW at the ETMX-ISCT shutter. More later. |
|
|
6300
|
Tue Feb 21 16:10:29 2012 |
kiwamu | Update | IOO | degradation in input PZT1 | PZT1,
the one with Koji's custom mid-HV driver
(#5447 |
|
|
5268
|
Fri Aug 19 09:14:56 2011 |
steve | Update | IOO | degrading laser power at atm | Light into the MC is 20 mW at atm, MC_Transmitted
~10 MW = 400 count
The PMC_T is OK but something else |
|
|
6120
|
Wed Dec 14 14:40:53 2011 |
steve | Update | Green Locking | delay line bnc cable specs | The existingly used used Pasternack Enterprices
RG58 C/U cable lenght ~ 140 ft and the specs
are here at Atm1 |
|
|
15174
|
Wed Jan 29 12:29:33 2020 |
shruti | Update | General | delay line frequency discriminator for PM | Today I began working on a TF measurement
based on the delay line frequency discriminator
setup in elog |
|
|
15177
|
Thu Jan 30 15:24:10 2020 |
? | Update | General | delay line frequency discriminator for PM | yes, its fine to use this
with a level 3 or level 7 mixer; let's |
|
|
15180
|
Thu Jan 30 22:02:42 2020 |
shruti | Update | General | delay line frequency discriminator for PM | I could not find any level 3 mixers, but
by adjusting the beat frequency the power
in each of the delay line channels rose to |
|
|
6199
|
Sun Jan 15 10:28:02 2012 |
Den | Update | Adaptive Filtering | delays | We can account for delays in the oaf system
by compensating it in the adaptive path of
the filter. But using only this procedure |
|
|
4554
|
Thu Apr 21 21:24:41 2011 |
kiwamu | Update | LSC | demod board : new 90 deg splitter | A
new 90 degree splitter, PSCQ-2-51W, has arrived
today and I installed it on a demod board |
|
|
4555
|
Thu Apr 21 21:46:22 2011 |
kiwamu | Update | LSC | demod board : new 90 deg splitter | A less
LO power dependence on the relative phase |
|
|
4560
|
Fri Apr 22 11:08:50 2011 |
kiwamu | Update | LSC | demod board AS11 : amplitude imbalance | Amplitude
imbalance between I and Q in a demod board, |
|
|
4538
|
Mon Apr 18 13:05:57 2011 |
kiwamu | Summary | LSC | demod board modification | Here
is the idea how we upgrade the demodulation
boards. |
|
|
277
|
Sun Jan 27 13:13:21 2008 |
tobin | Metaphysics | General | departure | It's been grand. Thanks for having me!
GWAVES IN '08!
|
|
|
2525
|
Tue Jan 19 02:39:57 2010 |
kiwamu | Update | Electronics | design complete --- triple resonant circuit for EOM --- | The design
of the triple resonant circuit has been fixed. |
|
|
2528
|
Tue Jan 19 03:20:28 2010 |
Koji | Update | Electronics | design complete --- triple resonant circuit for EOM --- | First I was confused, but now I think I
understood.
My confusion: |
|
|
6817
|
Thu Jun 14 04:53:39 2012 |
yuta | Summary | Green Locking | designing ALS loop for mode scan | [[Requirement]]
Arm cavity FWHM for IR is
|
|
|
3647
|
Tue Oct 5 11:42:20 2010 |
kiwamu | Summary | Green Locking | developing green locking plant | With a help from Joe, I made a diagram
of the simulated plant for green locking
in order to get better understanding and |
|
|
13290
|
Mon Sep 4 18:18:29 2017 |
rana | Update | LSC | dewhite switching: FOTON settings | not immediately necessary, since you have
already got it sort of working, but one of
these days we should optimize this for real. |
|
|
5765
|
Sun Oct 30 23:01:51 2011 |
Zach | Update | SUS | diagAllSUS -- automated input matrix generator | I finally got around to wrapping up |
|
|
3844
|
Tue Nov 2 11:34:53 2010 |
josephb, alex | Update | CDS | diagconfd running, excitations back in dtt | Problem:
Diagnostic test tools was starting
with errors. |
|
|
2146
|
Mon Oct 26 19:12:50 2009 |
kiwamu | Update | LSC | diagnostic script for LSC timing | The diagnostic script I've written is available
in the 'caltech/users/kiwamu/work/20091026_OMC-LSC-diag/src'.
To run the script, you can just execute |
|
|
4026
|
Wed Dec 8 12:47:18 2010 |
kiwamu | Update | SUS | diagonalisation of ITMX input matrix | The input
matrix of ITMX has been diagonalized. |
|
|
7511
|
Tue Oct 9 17:16:14 2012 |
Den | Update | SUS | diagonalization | I went inside to align the beam on WFS
and noticed that oscillations in yaw are
~10 times stronger then in pitch. I've plot |
|
|
7512
|
Tue Oct 9 17:33:37 2012 |
jamie | Update | SUS | diagonalization |
|
|
|
7525
|
Thu Oct 11 00:28:30 2012 |
Den | Update | SUS | diagonalization | I've written MC123 input matrixes to the
front-end.
MC1 diagonalization is poor, better |
|
|
7526
|
Thu Oct 11 01:30:11 2012 |
Den | Update | SUS | diagonalization |
|
|
|
7532
|
Thu Oct 11 14:40:20 2012 |
Den | Update | SUS | diagonalization |
|
|
|
3912
|
Sat Nov 13 15:53:05 2010 |
yuta | Update | CDS | diagonalization of MC input matrix | Motivation:
MC is aligned from the A2L
measurement, but to do the beam centering |
|
|
4718
|
Sun May 15 03:58:19 2011 |
rana | Update | CDS | diagonalization of MC input matrix | There has been some input matrix diagonalization
in the past by
Yuta and Kiwamu, but I find the automation |
|
|
4746
|
Thu May 19 00:23:44 2011 |
rana | Update | CDS | diagonalization of MC input matrix | I've
moved all of my SOS peak fitting stuff into |
|
|
4886
|
Sun Jun 26 16:17:22 2011 |
rana | Update | CDS | diagonalization of MC input matrix | I have updated the scripts/SUS/peakFit/ |
|
|
5136
|
Mon Aug 8 00:12:58 2011 |
rana | Update | CDS | diagonalization of MC input matrix | I've finally |
|
|
5137
|
Mon Aug 8 00:58:26 2011 |
rana | Update | CDS | diagonalization of MC input matrix | Besides the purpose of correctly tuning
the suspensions, my hidden goal in the input
matrix diagonalization has been to figure |
|
|
6413
|
Wed Mar 14 10:06:26 2012 |
steve | Update | Green Locking | dichroic mirror quotes | Dichroic
mirror quotes are in the wiki.
ATF is pricy. |
|
|
6435
|
Thu Mar 22 08:14:21 2012 |
steve | Update | Green Locking | dichroic mirror quotes with large wedge |
|
|
|
2296
|
Thu Nov 19 08:53:12 2009 |
pete | Frogs | Environment | diesel fumes | Instead of doing RCG stuff, I went
to Millikan to work on data analysis as I
couldn't stand the fumes from the construction. |
|
|
2377
|
Thu Dec 10 08:43:25 2009 |
steve | Frogs | Environment | diesel fumes are less |
|
|
|
4385
|
Tue Mar 8 15:20:31 2011 |
kiwamu | Update | Green Locking | differential noise on Mar.8th | |
|
|
4442
|
Fri Mar 25 01:27:29 2011 |
mevans | Frogs | Green Locking | digital frequency counting | Today we tried the Schmitt trigger DFD,
and while it works it does not improve the
noise performance. At least part of |
|
|
4444
|
Fri Mar 25 11:16:19 2011 |
josephb | Frogs | Green Locking | digital frequency counting | I modified
the c1gfd.mdl simulink model. I made
a backup as c1gfd_20110325.mdl. |
|
|
6064
|
Sat Dec 3 16:55:52 2011 |
Den | Update | IOO | digital noise in MC | I looked once again to the local OSEM sensors
and MC length signals. Then I replaced 1e-20
to 1e-50 in the if-statement of the iir_filter |
|
|
13673
|
Thu Mar 8 19:38:37 2018 |
gautam | Update | ALS | digital unwhitening of daughter board | I made a LISO fit of the measured TF of
the daughter board, so that I can digitally
invert the daughter board whitening. Results |
|