ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
459
|
Tue Apr 29 21:09:12 2008 |
rana | DAQ | CDS | FE Filters | These are new FE filters for downsampling
and upsampling. We will be going from native
hardware sampling rates of 64k down to 32k, |
|
|
460
|
Tue Apr 29 21:30:49 2008 |
Andrey | Update | PEM | In the process of renaming channels for Weather Station |
I startted renaming channels for the weather
station, and I will continue this tomorrow, |
|
|
461
|
Wed Apr 30 20:48:58 2008 |
Andrey | Summary | PEM | New Weather Channels |
I created the new channels for the weather
station, all letters are capital ones. They |
|
|
462
|
Thu May 1 08:31:51 2008 |
steve | Update | SUS | earthquake trips etmy & mc1 | Earthquake at Lake Isabel magnitude 4.4 at
1am today shakes the 40m
ETMY and MC1 watchdogs tripped.
|
|
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463
|
Thu May 1 12:46:02 2008 |
josephb | Configuration | Computers | Nodus gateway is up | The computer Nodus is now acting as a gateway
machine between the GC network and the martian
network in the 40m. It has the same passwords |
|
|
464
|
Mon May 5 11:04:30 2008 |
rob | Omnistructure | Computers | Network setup |
Mafalda was not connected to the network,
and so our DMF-based seisBLRMS has not been |
|
|
465
|
Mon May 5 15:53:14 2008 |
steve | Update | VAC | drypump replaced & readbacks are out | The small turbo pump of the annulus system
is tp3
It's drypump was replaced at 1.4 Torr after |
|
|
466
|
Tue May 6 17:28:39 2008 |
rob | Configuration | LSC | AP33 -> POX33 |
I am in the process of switching the POX166
and AP33 photodetectors, so that they become |
|
|
467
|
Wed May 7 15:25:41 2008 |
rob | Configuration | LSC | AP33 -> POX33 | [quote]
I am in the process of switching the POX166
and AP33 photodetectors, so that they become |
|
|
468
|
Thu May 8 01:07:24 2008 |
rana | Summary | LSC | Frequency Noise test: MC Trans Backscatter | [COLOR=purple][SIZE=4][FONT=Arial]There is
a wandering hump in the MC_F spectrum.[/FONT][/SIZE][/COLOR]
It can move around on the time
|
|
|
469
|
Thu May 8 01:50:25 2008 |
rana | Summary | ASC | Arm Cavity HOM Resonances | Nothing new, but I calculated the frequencies
of the first 22 higher order transverse modes
and thought I might as well list them here.
|
|
|
470
|
Thu May 8 02:06:13 2008 |
rana | Summary | COC | Thermal Lensing in the ITMs and BS may be a problem | The iLIGO interferometers start to see thermal
lensing effects with ~2W into the MC, a recycling
gain of ~50, and a beam waist on the ITMs |
|
|
471
|
Thu May 8 16:40:36 2008 |
josephb | Configuration | Cameras | Gige Camera currently on PSL table | Andrey and myself were working on the PSL
table today, using a pickoff of a pickoff
of the main beam (adding a microscope slide |
|
|
472
|
Fri May 9 08:40:24 2008 |
steve | Update | SUS | ETMY sus damping restored | ETMY lost damping at 19:10 last night.
There was no seismic event than.
Sus damping was restored this morning. |
|
|
473
|
Fri May 9 10:15:36 2008 |
josephb | Update | Computers | Nodus has moved | Steve and myself moved Nodus from under the
table in the control room, to just above
the Rana computer in the control room rack. |
|
|
474
|
Tue May 13 10:15:52 2008 |
steve | Update | SUS | restored damping of BS & PRM | I think our janitor was cleaning too heavy
handedly.
The BS and PRM sus damping were lost.
|
|
|
475
|
Tue May 13 10:38:28 2008 |
steve | Update | Computers | rfm network is down | The RFM network went down yesterday around
5pm
Only c1susvme1 is alive but it's timing is |
|
|
476
|
Wed May 14 13:14:19 2008 |
Andrey | Summary | Computers | Reflective Memory Network is restored |
[COLOR=blue]Reflective Memory Network is
restored, all watchdogs and oplevs are returned |
|
|
477
|
Wed May 14 14:05:40 2008 |
Andrey | Update | Computers | Computer Linux-2, MEDM screen "Watchdogs" |
Computer "Linux-2", MEDM screen "C1SUS_Watchdogs.adl":
there is no indication for ETMY watchdogs, |
|
|
478
|
Thu May 15 10:40:21 2008 |
steve | HowTo | General | Lisa Goggin, PhD | Lisa Goggin successfully defended her thesis
on May, 13 2008
|
|
|
479
|
Thu May 15 12:05:49 2008 |
josephb | Configuration | PSL | Path to PSL Position QPD | The 50/50 beamsplitter that was being used
as the last turning mirror to the PSL Position
QPD has been replaced with a Y1-1037-45-S |
|
|
480
|
Thu May 15 14:39:33 2008 |
Caryn | Summary | PEM | filtering mode cleaner with mic | Tried filtering for mode cleaner data(C1:IOO-MC_L)
using a siso-firwiener filter and microphone
data(C1:PEM-AS_MIC) for noise input. The |
|
|
481
|
Thu May 15 16:24:18 2008 |
josephb | Summary | Cameras | | The GC750 camera is currently looking at a
very small pickoff of the PSL output (transmission
of a Y1-1037-45-S mirror). The plan is to |
|
|
482
|
Fri May 16 14:38:50 2008 |
josephb | Summary | Cameras | Two cameras setup | I've changed the pickoff setup from yesterday
for the GigE cameras to include a 33% beam
splitter (first one I could find). The reflection |
|
|
483
|
Fri May 16 17:27:55 2008 |
Andrey | Omnistructure | General | Toilets are broken, do not use them !!! |
[COLOR=red][SIZE=4] Both toilets in 40-meter
were constantly flushing, the leaking water |
|
|
484
|
Sun May 18 18:14:30 2008 |
rana | Summary | Computer Scripts / Programs | autlockers and cron | Today I noticed that the MC was unlocked,
the MC autolocker was off, the PSL autolocker
was off,
|
|
|
485
|
Sun May 18 18:44:48 2008 |
rana | Summary | SUS | Optical Lever SUM Trend - 80 days | I used the OL-Trend.xml dataviewer template
to make this plot. Looks like the ETMY optical
lever
|
|
|
486
|
Sun May 18 18:59:15 2008 |
rana | Configuration | Computers | cron and hosts | I added rosalba to the hosts file for the
control room machines (131.215.113.103).
|
|
|
487
|
Mon May 19 11:49:57 2008 |
steve | Update | SUS | etmy oplev laser replaced | The 9 years old Uniphase HeNe was replaced
by a new JDSU 1103P
Power output ~3.5 mW, reflected light back |
|
|
488
|
Tue May 20 09:28:42 2008 |
steve | Bureaucracy | SAFETY | safety traning for 40m | Tara Chalernsongsak, new gradstudent for K.
Libbrecht was introduced to the basics of
the 40m operations. |
|
|
489
|
Tue May 20 18:33:01 2008 |
Andrey, John | Configuration | IOO | Mode Cleaner is locked again |
It was noticed by Mr.Adhikari earlier today
that the MC became unlocked at about 11AM.
|
|
|
490
|
Wed May 21 15:21:33 2008 |
rob | Update | Computer Scripts / Programs | autolockers and cron |
I added hourly cron jobs to op340m to ensure
that
|
|
|
491
|
Thu May 22 11:21:45 2008 |
steve | Bureaucracy | SAFETY | early surf sudent | Caltech under grad Eric Mintun received the
40m safety training.
Now he has to read and sign SOP of laser |
|
|
492
|
Thu May 22 11:25:19 2008 |
josephb | Configuration | Computers | | One of the new Netgear Prosafe 24 port switches
was mounted in the 1X4 rack,, roughly in
the middle, away from the top and bottom |
|
|
493
|
Fri May 23 08:24:24 2008 |
rana | AoG | Treasure | Yoichi Aso has arrived ! | |
|
|
494
|
Fri May 23 21:21:52 2008 |
Caryn | Summary | General | filtering mode cleaner with wiener filter | I tried filtering some saved MC_L data (from
Mon May19 4:30pm) with multiple MISO filters
of different orders, with various sampling |
10x |
|
495
|
Sun May 25 16:20:27 2008 |
rana | Configuration | Computers | joinPDF | I have installed joinPDF 2.1 on rosalba. Since
its written in Java, I didn't have to tinker
with it at all to work on a 64-bit machine. |
|
|
496
|
Sun May 25 19:33:16 2008 |
rana | Update | IOO | MC Bad after Re-alignment | The MC pointing was off and the transmitted
power was down after John and Andrey brought
it back after the bootfest.
|
|
|
497
|
Sun May 25 20:30:25 2008 |
rana | Summary | PSL | PMC Mode Matching | I checked the PMC mode matching by ramping
the gain down to -10 dB (from +20 dB) and
moving the DC offset around until it caught |
|
|
498
|
Sun May 25 21:14:14 2008 |
tobin | Configuration | Computers | EPICS proxy server | I set up an EPICS gateway server on Nodus
so that we can look at 40m MEDM screens from
off-site.
|
|
|
499
|
Sun May 25 22:33:00 2008 |
rana | Update | SUS | ETMY Oplev Work | I found the ETMY table in disarray and put
the panels back on and put the ETMY OL laser
back on the quad.
|
|
|
500
|
Tue May 27 16:24:54 2008 |
tobin | Configuration | Computer Scripts / Programs | ndsproxy | The NDS Proxy is a program that accepts NDS
(LIGO Network Data Server) connections from
the internet and relays them to
|
|
|
501
|
Wed May 28 12:51:32 2008 |
josephb | Configuration | Computers | Two more switches mounted | Two more Prosafe 24 port switches have been
mounted in the racks, one in 1Y9 and one
in 1Y6. (The first one was placed in 1X4).
|
|
|
502
|
Wed May 28 14:19:47 2008 |
steve | Update | PSL | kaleidoscope of psl | atm 1: scattering psl table optics from the
top of the output periscope f4, 60s @MOPA
3 W
|
|
|
503
|
Thu May 29 15:58:44 2008 |
John | Summary | IOO | MC realignment | I repeatedly adjusted the yaw of the upper
mirror on the input periscope and re aligned
the MC. With the PRM aligned I tried to optimise |
|
|
504
|
Thu May 29 16:32:09 2008 |
steve | Update | SUS | etmy oplev is back | I relayed the optics for ETMY-oplev as shown
in pictures below.
The reflected beam goes directly to the qpd |
|
|
505
|
Thu May 29 16:49:49 2008 |
steve | Bureaucracy | Photos | Yoichi has arrived | Yoichi had his first 40m meeting. We welcomed
him and Tobin, who is visiting, by sugar
napoleons that
|
|
|
506
|
Fri May 30 12:03:08 2008 |
josephb, Andrey | Configuration | Cameras | Head to head comparison of cameras | Andrey and myself - Joseph B. - have examined
the output of the GC650 (CCD) and GC750 (CMOS)
prosilica cameras. We did several live motion |
|
|
507
|
Fri May 30 12:37:45 2008 |
rob | Update | SUS | etmy oplev is back | [quote]I relayed the optics for ETMY-oplev
as shown in pictures below.
The reflected beam goes directly to the qpd[/quote]
|
|
|
508
|
Fri May 30 21:30:15 2008 |
tobin | Configuration | Computers | svn on solaris | I installed svn on op440m. This involved
installing the following packages from sunfreeware:
|
|