| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
8612
|
Wed May 22 00:42:13 2013 |
Koji | Summary | SUS | violin Q | While looking at the decay of the violin
mode of the PRM, I made a simple measurement
of the decay rate. |
|
|
1611
|
Wed May 20 01:53:48 2009 |
rob, pete | Update | Locking | violin mode filters in drstep_bang | Recently the watch script was having difficulty
grabbing a lock for more than a few seconds.
Rob discovered that the violin notch filters |
|
|
3875
|
Sat Nov 6 01:54:15 2010 |
Frank | Summary | Computers | virus definition file update on laptop for dinocam | i took
some pictures with the dinocam this afternoon.
I used the laptop computer next to it using |
|
|
4447
|
Mon Mar 28 16:19:23 2011 |
steve | Frogs | Photos | visithing 5th graders | Suresh is captivating his audience with
gravity waves on last Friday, March 25 |
|
|
3682
|
Fri Oct 8 17:36:16 2010 |
steve | Frogs | Photos | visiting undergrads | Prof Alan Weistein guided the 24 student
through the 40m. His performance was rated
as an enthusiastic 9.5 |
|
|
5434
|
Fri Sep 16 16:07:28 2011 |
steve | Update | SAFETY | visitors safety training | Paul, Mirko and Katrin visiting grad students
received the 40m basic safety training. |
|
|
12810
|
Tue Feb 7 19:14:59 2017 |
Johannes | Update | CDS | vme crate backplane adapter board layout | After fighting with Altium for what seems
like an eternity I have finished putting
my vision of the vme crate backplane adapter |
|
|
12781
|
Tue Jan 31 22:15:02 2017 |
Johannes | Update | CDS | vme crate backplane adapter boards | I made a crude sketch for how Lydia and
I envision the connector situation on the
back of the vme crates to be solved. Essentially |
|
|
6305
|
Wed Feb 22 16:55:16 2012 |
Jamie | Update | SUS | wacky state of SUS input matrices | While Kiwamu and I were trying to investigate
the the vertex
glitches we were noticing excess noise |
|
|
6307
|
Thu Feb 23 02:20:07 2012 |
Zach | Update | SUS | wacky state of SUS input matrices | This reminds me that the whole Dr. SUS
situation never got taken care of. Where |
|
|
2823
|
Wed Apr 21 10:09:23 2010 |
kiwamu | Update | Green Locking | waist positon of Gaussian beam in PPKTP crystals | Theoretically the waist position of
a Gaussian beam (1064) in our PPKTP crystal
differs by ~6.7 mm from that of the incident |
|
|
2850
|
Tue Apr 27 14:18:53 2010 |
kiwamu | Update | Green Locking | waist positon of Gaussian beam in PPKTP crystals | The mode profile of Gaussian beams in
our PPKTP crystals was calculated.
I |
|
|
3325
|
Thu Jul 29 21:13:39 2010 |
Dmass | Update | Green Locking | waist positon of Gaussian beam in PPKTP crystals |
|
|
|
3327
|
Thu Jul 29 22:58:25 2010 |
kiwamu | Update | Green Locking | waist positon of Gaussian beam in PPKTP crystals | - As you said, I just calculated the waist
position in the crystal because the speed
of light changes in a medium and eventually |
|
|
3328
|
Fri Jul 30 00:02:15 2010 |
Dmass | Update | Green Locking | waist positon of Gaussian beam in PPKTP crystals |
|
|
|
15566
|
Wed Sep 9 20:52:45 2020 |
rana | Summary | IOO | wandering line in IMC | since the summary pages are working again,
I was clicking through and noticed that there's
a wandering peak in the whitened IMC spectrogram |
|
|
11487
|
Mon Aug 10 15:25:05 2015 |
Steve | Update | PEM | wasp nest | The wasp nest will be removed tomorrow
from from the out side of the east arm window.
The resonant frequency of the newly |
|
|
2309
|
Fri Nov 20 16:18:56 2009 |
rob | Configuration | SUS | watchdog rampdown | I've changed the watchdog rampdown script
so it brings the SUS watchdogs to 220, instead
of the 150 it previously targeted. |
|
|
2372
|
Wed Dec 9 17:51:03 2009 |
kiwamu | Update | SUS | watchdogs | Please do not touch
the watchdogs for all SUSs except for MCs, |
|
|
6060
|
Thu Dec 1 17:33:18 2011 |
kiwamu | Update | SUS | watchdogs fixed | The watchdogs'
issue has been solved and they are now working |
|
|
3456
|
Mon Aug 23 15:24:24 2010 |
kiwamu | Configuration | SUS | watchdogs off | For the new CDS test, I turned
off the watchdogs for PRM, SRM, BS, ITMs |
|
|
4024
|
Tue Dec 7 20:38:17 2010 |
kiwamu | Update | SUS | watchdogs off at ITMX and ETMX | I am leaving ITMX and ETMX freely swinging,
so that later I can take the spectra and
diagonalize the input matrices. |
|
|
4031
|
Wed Dec 8 22:47:09 2010 |
kiwamu | Update | SUS | watchdogs off at ITMX and ETMX | Tonight,
swing again.
|
|
|
11767
|
Mon Nov 16 16:18:34 2015 |
gautam | Update | General | water leak along Y-arm? | A Caltech maintenance staff dropped by
at around noon today, and told me that he
had seen a small puddle of water on the other |
|
|
11771
|
Tue Nov 17 10:06:53 2015 |
Steve | Update | General | water leak in east arm |
|
|
|
1991
|
Fri Sep 18 14:25:00 2009 |
rob | Omnistructure | PSL | water under the laser chiller | rob, koji, steve
We noticed some water (about a cup)
on the floor under the NESLAB chiller today. |
|
|
1992
|
Fri Sep 18 16:05:08 2009 |
Jenne | Omnistructure | PSL | water under the laser chiller |
|
|
|
2297
|
Thu Nov 19 09:25:19 2009 |
steve | Update | MOPA | water was added to the laser chiller | I added ~500 cc of distilled water to the
laser chiller yesterday. |
|
|
8099
|
Mon Feb 18 18:28:01 2013 |
yuta | Bureaucracy | Alignment | we are going to pump down | We
will start preparing for pumping down. Main
goal for this is to demonstrate PRFPMI using |
|
|
13475
|
Thu Dec 14 08:59:17 2017 |
Steve | Update | General | we are here | |
|
|
1627
|
Wed May 27 10:54:09 2009 |
rob | Update | PSL | we don't understand the chiller (broken) |
|
|
|
1628
|
Wed May 27 15:59:44 2009 |
rob | Update | PSL | we don't understand the chiller (broken) | steve, alberto, rob
After some futzing around with the
chiller, we have come to the tentative conclusion |
|
|
7693
|
Fri Nov 9 11:38:38 2012 |
jamie | Update | General | we're closing up | After a brief look this morning, I called
it and declared that we were ok to close
up. The access connector is almost |
|
|
152
|
Fri Nov 30 21:27:24 2007 |
rana | DAQ | PEM | weather / stacis / c1pem1 | I was trying to add some Seis BLRMS channels
to the c1pem1 processor so that we could
have DMT trends.
|
|
|
189
|
Wed Dec 12 22:24:48 2007 |
tobin | Frogs | PEM | weather station | I poked at the weather station briefly this
evening.
|
|
|
11291
|
Thu May 14 17:41:10 2015 |
rana | Update | PEM | weather station and Guralp maintenance | Today Steve and I tried to recenter the
Guralps. The breakout box technique didn't
work for us, so we just turned the leveling |
|
|
418
|
Tue Apr 8 09:08:54 2008 |
steve | Configuration | PEM | weather station disconnected | We can not leave cables in the walkways and
go on vacation.
I disconnected the weather station from the |
|
|
516
|
Wed Jun 4 10:18:52 2008 |
steve | Update | PSL | wedged SS beam trap | I moved the SS trap over to the psl table.
Texas super # 8 was used from the large shipment.
TXs#8 scattering measured as before, meaning |
|
|
2027
|
Wed Sep 30 02:01:28 2009 |
rob | Update | Locking | week | It's been a miserable week for lock acquisition,
with each night worst than the last.
The nadir was around Sunday night, when I |
|
|
5151
|
Tue Aug 9 03:05:05 2011 |
kiwamu | Summary | General | weekly report | Summary of the week ending Aug 8th. |
|
|
764
|
Wed Jul 30 12:03:44 2008 |
Masha | Summary | Auxiliary locking | weekly summary | I've been learning about mode matching/beam
propagation, so I can work on getting more
|
|
|
804
|
Wed Aug 6 13:57:44 2008 |
Masha | Summary | Auxiliary locking | weekly summary | Finished second progress report.
Working on improving the sensitivity of the |
|
|
3145
|
Wed Jun 30 12:13:39 2010 |
Sharmila, Katharine | Update | WIKI-40M Update | weekly update | Weekly Project Update:
We are studying Haixing's circuit |
|
|
3256
|
Wed Jul 21 12:03:14 2010 |
Katharine, Sharmila | Update | WIKI-40M Update | weekly update | This past week, we levitated our small
cylindrical magnet (with the flag made from
heat shrink). Though the levitated |
|
|
1780
|
Wed Jul 22 18:04:14 2009 |
rob | Omnistructure | Computers | weird noise coming from Gigabit switch | in the rack next to the printer.
It sounds like a fan is hitting something. |
|
|
4704
|
Thu May 12 18:21:19 2011 |
kiwamu | Update | IOO | welcome back IP_POS | IP_POS
is back. |
|
|
3808
|
Thu Oct 28 09:16:17 2010 |
steve | Update | PEM | welding in the vertex area | Fire-smoke sensors in the vertex area #2-31,
2-30 east, 2-32 south/MC2 and 2-37 old control
room area are turned off to accommodate the |
|
|
3654
|
Tue Oct 5 17:39:21 2010 |
steve | Configuration | VAC | west access connector removed | Kiwamu, Koji, Yutah, Rana, Jan and Steve
We removed the west access connector
this afternoon. |
|
|
Draft
|
Mon Aug 5 16:28:41 2019 |
yehonathan | Update | Loss Measurement | what is going on with the loss measurements ? | We hypothesize that the systematic error
in the loss measurement can come from the
fact that the requirement on the alignment |
|
|
5083
|
Mon Aug 1 17:47:37 2011 |
steve | Update | ASC | what is not working | SUS-ETMY_QPD is not responding. It is reading
zero in dataviewer and 4,400 counts on QPD
MEDM screen.......must be wrong cable connected |
|