| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
4899
|
Tue Jun 28 15:20:08 2011 |
kiwamu | Update | LSC | sensing matrix measurement in PRMI configuration | Here is
the result of the measurement of the sensing |
|
|
4910
|
Wed Jun 29 12:20:53 2011 |
kiwamu | Update | LSC | sensing matrix measurement in PRMI configuration | Of course
I made a mistake in my calculation of the |
|
|
6281
|
Wed Feb 15 05:29:22 2012 |
kiwamu | Update | LSC | sensing matrix of PRMI | I have measured the sensing matrix of PRMI.
It
seems that the MICH signal in the 3f ports |
|
|
6283
|
Wed Feb 15 17:15:33 2012 |
kiwamu | Update | LSC | sensing matrix of PRMI | I
think I have told a lie in the last meeting
-- the measured sensing matrix doesn't look |
|
|
6287
|
Thu Feb 16 07:38:24 2012 |
Koji | Update | LSC | sensing matrix of PRMI | So why don't you use AS55I and Q for the
control of PRMI??? |
|
|
6289
|
Thu Feb 16 13:12:30 2012 |
rana | Update | LSC | sensing matrix of PRMI |
|
|
|
6293
|
Fri Feb 17 04:45:48 2012 |
kiwamu | Update | LSC | sensing matrix of PRMI | I
locked the PRMI with the AS55I and Q combination.
|
|
|
4427
|
Wed Mar 23 05:11:08 2011 |
kiwamu | Update | Green Locking | servo handig off | Succeeded
in handing off the servo from the green to |
|
|
4428
|
Wed Mar 23 08:50:36 2011 |
Aidan | Update | Green Locking | servo handig off | Nicely done!
|
|
|
9151
|
Sun Sep 22 21:28:53 2013 |
rana | Update | SUS | set OL T RAMP values (they are not visible on the OL screens) | controls@rosalba:/opt/rtcds/caltech/c1/scripts/SUS
0$ ./setOLtramps
Old : C1:SUS-ETMX_OLPIT_TRAMP |
|
|
8809
|
Tue Jul 9 11:37:37 2013 |
gautam | Update | CDS | set up for testing DAC Interface-board pin outs | The bank marked channel 9-16 is free, but
the connector is a 40 pin IDC and I need
to know the exact pin-out configuration before |
|
|
8811
|
Tue Jul 9 12:01:20 2013 |
gautam | Update | CDS | set up for testing DAC Interface-board pin outs |
Jenne just rebooted c1scy and
daqd on the framebuilder. We will do the |
|
|
3407
|
Thu Aug 12 11:59:31 2010 |
kiwamu | HowTo | CDS | set up ntp daemom | (sad story)
When I was working on a new front
end machine c1sus, I found that |
|
|
1529
|
Tue Apr 28 16:36:24 2009 |
rob | HowTo | Locking | setting the RF CARM demod phase | To set the demod phase for RF CARM, sensed
at REFL2 (REFL 166I), it suffices to set
the demod phase for REFL2 to be the optimal |
|
|
1530
|
Tue Apr 28 17:51:13 2009 |
rob | HowTo | Locking | setting the RF CARM demod phase |
|
|
|
3630
|
Thu Sep 30 18:51:50 2010 |
yuta | Update | Computers | setting up aldabella and mariabella | (Kiwamu, Yuta)
Background: |
|
|
13409
|
Mon Nov 6 09:09:43 2017 |
Steve | Update | VAC | setting up new TP2 turbo | Our new Agilent Technology TwisTorr
84FS AG rack controller ( English Manual
pages 195-297 ) RS232/485, product |
|
|
3892
|
Thu Nov 11 05:56:04 2010 |
yuta | Summary | IOO | setting up temporary oplev for coil balancing of MCs | (Suresh, Yuta)
Background: |
|
|
3771
|
Sun Oct 24 18:06:35 2010 |
kiwamu | Summary | Locking | setup for green beat | |
|
|
3774
|
Mon Oct 25 02:14:38 2010 |
Koji | Summary | Locking | setup for green beat | - What is the actual photocurrent for the
beam1 and beam2? We don't care how much power
do you have before the BS, but care how much |
|
|
647
|
Tue Jul 8 10:26:30 2008 |
Masha | Update | Auxiliary locking | setup updates | Yesterday I changed one of the beam splitters
in the Mach Zehnder to one with a more stable
mount as to reduce the system's coupling |
|
|
3645
|
Mon Oct 4 19:48:00 2010 |
yuta | Update | VAC | several mirrors installed to ITMX/BS chamber | (Koji, Kiwamu, Yuta)
Lots of progress |
|
|
15162
|
Tue Jan 28 08:26:53 2020 |
rana | Frogs | PEM | shaking | https://breakthrough.caltech.edu/magazine/2019-aug/#article-Listening-with-Light
|
|
|
84
|
Thu Nov 8 15:57:53 2007 |
tobin | Configuration | PSL | shelf removed | I removed the sheet metal shelf from the PSL
enclosure, for easier access to the ISS.
|
|
|
13532
|
Thu Jan 11 14:47:11 2018 |
Steve | Update | PSL | shelf work for tomorrow | I have just received the scheduling of
the PSL self work for tomorrow. Gautam and
I agreed that if it is needed I will shut |
|
|
7083
|
Fri Aug 3 13:05:28 2012 |
Den | Update | PEM | shims | As we do not have legs for Trillium, I
was advised to use shims to adjust the levels.
However, they produce extra resonance at |
|
|
7084
|
Fri Aug 3 14:52:11 2012 |
Jenne | Update | PEM | shims |
|
|
|
3434
|
Wed Aug 18 12:24:58 2010 |
josephb,kiwamu | Update | CDS | shmem issue | Apparently its possible to have working
models get into a bad state in regards to
shared memory, which prevents the model from |
|
|
7780
|
Tue Dec 4 10:44:36 2012 |
Steve | Update | PEM | short power outage | |
|
|
14914
|
Mon Sep 30 13:20:55 2019 |
aaron | Update | IOO | shot noise measurement | I wanted to measure the RF transimpedance
of the WFS heads, as outlined above.
Summary: Measurement is not done. |
|
|
5328
|
Wed Aug 31 11:37:56 2011 |
steve | Update | Green Locking | shutter in place at east end | Uniblitz mechanical shutter installed in
the green beam path at ETMY-ISCT The
remote control cable has not been connected. |
|
|
9319
|
Wed Oct 30 14:58:44 2013 |
Steve | HowTo | General | shutting down a computer |
We have tried to ssh into c1iscey
yesterday morning. It just did not work. |
|
|
5598
|
Mon Oct 3 04:43:03 2011 |
kiwamu | Update | LSC | sideband-resonance PRMI locked | My
goal of today was to lock PRMI without using
AS55 and it is 50% successful. |
|
|
4361
|
Sat Feb 26 02:33:16 2011 |
kiwamu | Update | Green Locking | sidebands on beatnote | The |
|
|
4362
|
Sun Feb 27 09:43:59 2011 |
Aidan | Update | Green Locking | sidebands on beatnote | Can we set up a fiber-PD on the end table
to look at the beat between the "end
laser IR beam" and the "PSL IR |
|
|
4363
|
Sun Feb 27 13:09:56 2011 |
rana | Update | Green Locking | sidebands on beatnote | When Koji and I were massaging the MC,
we noticed that the oscillations were at
48.5 kHz. They were pretty huge and are probably |
|
|
2757
|
Thu Apr 1 20:29:02 2010 |
Hartmut | Update | Green Locking | simple PD test circuit | I made a simple PD test circuit which may
allow to test PD response up to few 100MHz.
Its not for low noise, only for characterising |
|
|
3048
|
Thu Jun 3 22:33:31 2010 |
valera | Summary | CDS | simulated plant work | I put matlab files and a summary
into the 40m wiki for the fitting of the
40m Optickle transfer functions and generating |
|
|
6874
|
Tue Jun 26 01:30:13 2012 |
yuta | Summary | Green Locking | simultaneous hold and release of the arm (aka two arm ALS) | To get the feeling of the master of IFO,
I;
|
|
|
17774
|
Thu Aug 10 19:52:47 2023 |
yuta | Summary | ALS | simultaneous hold and release of the arm (aka two arm ALS) | I just wanted to take the same time series
data I took back in 2012 (40m/6874).
ALS noise look much better than 2012, |
|
|
4391
|
Wed Mar 9 17:29:11 2011 |
steve | Summary | VAC | single O-ring protection | We have one single O-ring on the 40m vacuum
envelope. It is on the OOC west side, facing
the AP table. This O-ring has to be protected |
|
|
6046
|
Tue Nov 29 22:54:49 2011 |
Den | Update | digital noise | single precision | In the previous elog we've proved
that signals C1:SUS-MC3_LSC_EXCMON and C1:SUS-MC3_LSC_OUTMON
are in single precision. Now we try to understand |
|
|
6717
|
Wed May 30 18:16:44 2012 |
Jamie | Update | LSC | skeleton of new c1cal calibration model created | [Jamie, Xavi Siemens, Chris Pankow]
We built the skeleton of a new calibration
model for the LSC degrees of freedom. |
|
|
617
|
Tue Jul 1 21:27:27 2008 |
rob | HowTo | Computer Scripts / Programs | slider twiddling after reboot |
Sometimes after we reboot the front-end machines,
some of the hardware gets stuck in an unknown |
|
|
9824
|
Thu Apr 17 16:59:45 2014 |
jamie | Update | CDS | slightly more successful attempt to get Dolphin working on c1ioo | So it turns out that the card that Rolf
had given me was not a Dolphin host adapter
after all. He did have an actual host |
|
|
3728
|
Fri Oct 15 15:32:35 2010 |
josephb | Update | CDS | slow DAQ channels added | I
added all the _OUT16, _INMON, _EXCMON channels
associated with the BS, ITMX, and ITMY channels |
|
|
3732
|
Mon Oct 18 08:44:36 2010 |
rana | Update | CDS | slow DAQ channels added | Why EXCMON? I think that we should
modify the filter coefficients so that the
decimation filter that makes OUT16 is a 2nd |
|
|
6915
|
Thu Jul 5 01:20:58 2012 |
yuta | Summary | CDS | slow computers, 0x4000 for all DAQ status | ALS looks OK. I tried to lock FPMI using
ALS, but I feel like I need 6 hands to do
it with current ALS stability. Now I have |
|
|
12754
|
Wed Jan 25 14:30:20 2017 |
gautam | Update | CDS | slow machine bootfest | [gautam, lydia]
We rebooted c1psl, |
|
|
12762
|
Fri Jan 27 17:07:52 2017 |
Lydia | Update | CDS | slow machine bootfest | Rebooted c1iscaux,
c1auxex and c1auxey which were all
not reponding to telnet. The watchdogs for |
|