| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
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;
|
|
|
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 |
|
|
12803
|
Mon Feb 6 15:18:08 2017 |
gautam | Update | CDS | slow machine bootfest | Had to reboot c1psl,
c1susaux, c1auxex, c1auxey |
|
|
13012
|
Thu May 25 12:22:59 2017 |
gautam | Update | CDS | slow machine bootfest | After ~3months without any problems on
the slow machine front, I had to reboot |
|
|
13028
|
Thu Jun 1 15:37:01 2017 |
gautam | Update | CDS | slow machine bootfest | Steve alerted me that the IMC wouldn't
lock. Reboots for |
|
|
13059
|
Mon Jun 12 10:34:10 2017 |
gautam | Update | CDS | slow machine bootfest | Reboots for
c1susaux, c1iscaux, c1auxex |
|
|
13069
|
Fri Jun 16 13:53:11 2017 |
gautam | Update | CDS | slow machine bootfest | Reboots for
c1psl, c1iool0, c1iscaux |
|
|
13096
|
Wed Jul 5 16:09:34 2017 |
gautam | Update | CDS | slow machine bootfest | Reboots for
c1susaux, c1iscaux |
|
|
13273
|
Wed Aug 30 10:54:26 2017 |
gautam | Update | CDS | slow machine bootfest | MC autolocker and FSS loops were stuck
because c1psl |
|
|
13297
|
Tue Sep 5 23:02:37 2017 |
gautam | Update | CDS | slow machine bootfest | MC autolocker was not working - PCdrive was railed
at its upper rail for ~2 hours judging by |
|
|
13355
|
Tue Oct 3 19:39:10 2017 |
gautam | Update | CDS | slow machine bootfest | Eurocrate key turning reboots for c1susaux, |
|
|
13360
|
Thu Oct 5 11:46:15 2017 |
gautam | Update | CDS | slow machine bootfest | MC Autolocker was umnhappy because c1iool0 |
|
|
13379
|
Thu Oct 12 14:42:45 2017 |
gautam | Update | CDS | slow machine bootfest | Steve reported problems getting the X arm
locked. Alignment sliders were inaccessible.
Eurocrate key turning reboots for |
|
|
13399
|
Tue Oct 24 16:43:11 2017 |
Steve | Update | CDS | slow machine bootfest | [ Gautam , Steve ]
c1susaux |
|
|
13518
|
Tue Jan 9 11:52:29 2018 |
gautam | Update | CDS | slow machine bootfest | Eurocrate key turning reboots today morning
for and |
|
|
13522
|
Wed Jan 10 12:24:52 2018 |
gautam | Update | CDS | slow machine bootfest | MC autolocker got stuck (judging by wall
StripTool traces, it has been this way for
~7 hours) because |
|
|
13558
|
Fri Jan 19 11:13:21 2018 |
gautam | Update | CDS | slow machine bootfest | c1psl, c1susaux,
and |
|
|
13727
|
Wed Apr 4 16:23:39 2018 |
gautam | Update | CDS | slow machine bootfest | [johannes, gautam]
It's been a while - but today,
all slow machines (with the exception of |
|
|
13758
|
Wed Apr 18 10:44:45 2018 |
gautam | Update | CDS | slow machine bootfest | All slow machines (except c1auxex)
were dead today, so I had to key them all. |
|
|
13812
|
Thu May 3 12:19:13 2018 |
gautam | Update | CDS | slow machine bootfest | Reboot for c1susaux
and |
|
|
13925
|
Thu Jun 7 12:20:53 2018 |
gautam | Update | CDS | slow machine bootfest | FSS slow wasn't running so PSL PZT
voltage was swinging around a lot. Reason
was that was |
|
|
13410
|
Mon Nov 6 11:15:43 2017 |
gautam | Update | CDS | slow machine bootfest + IFO re-alignment | Eurocrate key turning reboots today morning
for |
|
|
13408
|
Mon Oct 30 11:15:02 2017 |
gautam | Update | CDS | slow machine bootfest + vacuum snafu | Eurocrate key turning reboots today morning
for c1psl |
|