ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
524
|
Fri Jun 6 16:10:51 2008 |
steve | Update | PSL | HEPA filters are running at 100% | The psl HEPA filters were turned up to run
at 100% to accommodate beam trap work on
Tuesday, June 3, 2008 |
|
523
|
Fri Jun 6 15:56:00 2008 |
steve | Bureaucracy | SAFETY | Yoichi received safety training | Yoichi Aso received 40m specific safety training. |
|
522
|
Fri Jun 6 11:19:13 2008 |
Caryn | Summary | PEM | Filtering MC_L and MC_F with PEM:ACC and microphone | Tried to filter MC_L and MC_F with acc/seis
data and microphone data using wiener filter
(levinson)
|
8x |
521
|
Thu Jun 5 13:35:23 2008 |
josephb | Configuration | Cameras | GC750 looking at 1064nm scattered light | I've taken 200 images of the GC750 (CMOS)
camera while holding it by hand up to a beam
card (also held by hand) in the path of ~5mW |
    |
520
|
Thu Jun 5 10:46:26 2008 |
josephb | Configuration | Cameras | Approximately uniform reflected white light | In an attempt to investigate the structures
seen in previous images for the GC750, I
aimed it at a relatively clean section of |
 |
519
|
Wed Jun 4 16:57:12 2008 |
josephb | Configuration | Cameras | Dark images from cameras (electronics noise measurement) | The attached pdfs are 1 second and 1 millisecond
long integrations from the GC650 and GC750
cameras with a cap in place - i.e. no light.
|
    |
518
|
Wed Jun 4 16:25:06 2008 |
Caryn | Summary | PEM | microphone moved | The microphone 'C1:PEM-AS_MIC' has been moved
right a bit. This change didn't seem to have
much effect on filtering the 'C1:IOO-MC_L' |
|
517
|
Wed Jun 4 13:46:42 2008 |
josephb | Configuration | Cameras | Changing incident angle images | Attached are images from the GC650 and GC750
when the incident angle was varied from 0
tilt (normal incidence) to 5,10, and 20 degrees. |
   |
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 |
 |
515
|
Tue Jun 3 12:33:36 2008 |
Andrey | Update | Cameras | Andrey, Josephb |
Continuing our work with cameras,
|
|
514
|
Tue Jun 3 10:40:27 2008 |
tobin | Configuration | Computers | new dataviewer | Alex let me know the secret location of the
latest dataviewer executable for Linux.
It is:
|
|
513
|
Tue Jun 3 10:19:45 2008 |
tobin | Configuration | Computers | big machine | Several of us transported the big new awesome
Sun box from Bridge over to
the 40m last week. If I recall correctly, |
|
512
|
Tue Jun 3 02:15:29 2008 |
Andrey | Summary | Cameras | Fitting results |
There have been a lot of work going on related
to the processing of images captured by the |
   |
511
|
Mon Jun 2 12:20:35 2008 |
josephb | Bureaucracy | Cameras | Beam scan has moved | The beamscan has been moved from the Rana
lab back over to the 40m, to be used to calibrate
the Prosilica cameras. |
|
510
|
Sun Jun 1 19:39:35 2008 |
tobin | Configuration | Computers | elog, etc | Phil Ehrens gave me a DVD of the 40m elog,
apache, and (Jamie's) SVN archive.
I copied it to nodus:/home/controls/dvd-from-ehrens. |
|
509
|
Sun Jun 1 19:25:10 2008 |
rana | Configuration | Computers | new monitor on op440m | I installed the new 24" flat screen on op440m.
I increased the screen resolution from 1280x1024
to 1900x1200 using
|
 |
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:
|
|
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]
|
|
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 |
|
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
|
 |
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 |
 |
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 |
|
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
|
    |
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).
|
|
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
|
|
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.
|
|
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.
|
|
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 |
|
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.
|
 |
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. |
|
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 |
493
|
Fri May 23 08:24:24 2008 |
rana | AoG | Treasure | Yoichi Aso has arrived ! | |
|
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 |
|
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 |
|
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
|
|
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.
|
|
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. |
|
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 |
|
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).
|
|
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
|
|
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,
|
|
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 |
|
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 |
|
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 |
|
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 |
 |
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 |
|
478
|
Thu May 15 10:40:21 2008 |
steve | HowTo | General | Lisa Goggin, PhD | Lisa Goggin successfully defended her thesis
on May, 13 2008
|
|
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, |
|
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 |
|
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 |
|