ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
7448
|
Thu Sep 27 17:00:41 2012 |
Eric Gustafson | Update | LSC | 40 meter photodiode frequency response measurement system installation | Mike and I installed all of the telescopes
and launching hardware for REFL11, REFL33,
REFL55, AS55, MCRef, POX11 and POP55. On |
|
|
7449
|
Thu Sep 27 19:03:06 2012 |
Manasa | Update | 40m Upgrading | New ETMX layout - Version 1.0 | I am working towards redesigning
the endtables. I've attached the first version
of the layout. As per Steve's comment I've |
|
|
7450
|
Thu Sep 27 20:05:57 2012 |
Koji | Update | 40m Upgrading | New ETMX layout - Version 1.0 | 1. I wonder how the mode profiling/matching
was considered in the new layout.
I can see the distances between the |
|
|
7451
|
Fri Sep 28 07:49:30 2012 |
Steve | Update | 40m Upgrading | New ETMX layout - Version 1.0 | Where is IP-ANG ? It is good
practice to use two mirrors at launching
and detecting the beam, so you can walk it |
|
|
7452
|
Fri Sep 28 21:17:41 2012 |
Koji | Update | IOO | MC WFS adjustment | MC
WFS was fixed. Now it is running constantly
with the autolocker. |
|
|
7453
|
Mon Oct 1 07:25:48 2012 |
Steve | Update | SUS | MC2 & ETMX sus damping restored | |
|
|
7454
|
Mon Oct 1 09:02:17 2012 |
Steve | Update | VAC | pumpdown reached vacuum normal |
|
|
|
7455
|
Mon Oct 1 11:08:25 2012 |
Jenne | Update | IOO | MC WFS adjustment |
|
|
|
7456
|
Mon Oct 1 13:11:43 2012 |
Jenne | Update | IOO | PZT inspection elogs | I'll come back to the PZTs later, but I
want to write down all the elogs I have found
so far that look relevant. |
|
|
7457
|
Mon Oct 1 16:05:01 2012 |
jamie | Update | CDS | mx stream restart required on all front ends | For some reason the frame builder and mx
stream processes on ALL front ends were down.
I restarted the frame builder and all the |
|
|
7458
|
Mon Oct 1 17:03:01 2012 |
steve | Update | SUS | ETMY oplev relayed |
|
|
|
7459
|
Mon Oct 1 19:21:03 2012 |
rana | Configuration | PEM | changed PEM DQ channels | Changed the list of channels to be written
to frames from having the IN1 suffix to OUT.
Now we can load the calibration of the channel |
|
|
7460
|
Tue Oct 2 07:45:49 2012 |
Steve | Update | SUS | MC2 & PRM sus damping restored | |
|
|
7461
|
Tue Oct 2 09:13:16 2012 |
Steve | Update | VAC | RGA scan at day 7 |
|
|
|
7462
|
Tue Oct 2 14:20:33 2012 |
Manasa | Configuration | IOO | PDA255 not working | The PDA255 that Koji repaired is still
not alright. It seems to be saturating again.
I've left it in the PD cabinet where it is |
|
|
7463
|
Tue Oct 2 15:14:54 2012 |
jenne, jamie | Update | IOO | PZT diagnosis | pzt2 mod signals matched slider vals for
both pitch and yaw
pzt2 yaw mon output = 6
|
|
|
7464
|
Tue Oct 2 16:15:22 2012 |
Manasa | Configuration | PSL | AOM installation |
|
|
|
7465
|
Tue Oct 2 16:32:43 2012 |
Jenne | Update | IOO | PZT diagnosis | [Koji, Jenne]
Jamie and I pulled the whole PZT
driver for both PZT1 and PZT2. |
|
|
7466
|
Wed Oct 3 07:41:23 2012 |
Steve | Update | SUS | MC2 sus damping restored | This is the third morning in a row that
the MC2 was tripped. Would you look
at it Koji? |
|
|
7467
|
Wed Oct 3 11:43:33 2012 |
Steve | Update | SAFETY | safety training | Den Martynov received 40m specific safety
training. |
|
|
7468
|
Wed Oct 3 15:37:04 2012 |
Steve | Update | PEM | ants on the PSL table | We observed one or two ants climbing over
PMC optics without booties and safety glasses.
|
|
|
7469
|
Wed Oct 3 15:58:57 2012 |
Steve | Configuration | IOO | SOS coil drivers moved | The SOS coil drivers (Atm2) were moved
from 1X1 to 1Y2 location. Is this the best
place to locate the IOO Tip-Tilt steering |
|
|
7470
|
Wed Oct 3 16:26:58 2012 |
Manasa | Update | PEM | ants on the PSL table | I spotted around 4 within 30 minutes working
at the PSL table even after the deathly spray |
|
|
7471
|
Wed Oct 3 16:52:16 2012 |
Manasa | Configuration | PSL | AOM installation | {Jan, Manasa}
We set start to check the performance
of the AOM on the PSL table. The AOM driver |
|
|
7472
|
Wed Oct 3 18:45:51 2012 |
jamie | Update | IOO | wiki page for active IO tip-tilts | I made a wiki
page for the active IO tip-tilts.
I should have made this a long time ago. |
|
|
7473
|
Wed Oct 3 23:24:05 2012 |
Koji | Update | SUS | MC2 sus damping restored |
|
|
|
7474
|
Wed Oct 3 23:36:54 2012 |
Koji | Configuration | PSL | AOM installation | After the AOM work the beam wasn't well
aligned to the PMC. The PMC REFL CCD shows
large misalignment in yaw. |
|
|
7475
|
Thu Oct 4 01:06:52 2012 |
Jenne | Update | IOO | PZT diagnosis | [Koji, Jenne]
We naively hoped that just replacing
the fuses would fix the problem with the |
|
|
7476
|
Thu Oct 4 08:39:58 2012 |
Steve | Update | General | power outage | There had to be a power outage. Laser
and air condition turned back on. The vacuum |
|
|
7477
|
Thu Oct 4 14:04:21 2012 |
jamie | Update | CDS | front ends back up | All the front end machines are back up
after the outage. It looks like none
of the front end machines came back up once |
|
|
7478
|
Thu Oct 4 14:08:49 2012 |
jamie | Update | SUS | suspensions damped | All suspension damping has been restored. |
|
|
7479
|
Thu Oct 4 17:54:59 2012 |
Manasa | Configuration | PSL | AOM installation |
|
|
|
7480
|
Thu Oct 4 18:48:04 2012 |
janosch | Configuration | PSL | AOM installation |
|
|
|
7481
|
Thu Oct 4 20:57:43 2012 |
Manasa | Configuration | PSL | AOM installation |
|
|
|
7482
|
Thu Oct 4 22:16:28 2012 |
Koji | Configuration | PSL | AOM installation | Do
more investigation to understand what is
causing the power reduction. |
|
|
7483
|
Thu Oct 4 22:16:40 2012 |
Den | Update | PSL | PMC is locked | PZT monitor is not lying to us, I've measured
it with a voltmeter. But PMC SERVO is still
interesting. If I break the loop after PMCERR |
|
|
7484
|
Thu Oct 4 22:27:54 2012 |
Koji | Update | SUS | How about the slow machines? | One terrible concern of mine is that the
slow machines were rebooted at the power |
|
|
7485
|
Thu Oct 4 22:35:16 2012 |
Den | Update | SUS | How about the slow machines? |
|
|
|
7486
|
Thu Oct 4 23:01:49 2012 |
Rijuparna | Configuration | | cavitymode scan | Here I am attaching the schematic
diagram of the experimental set-up for IMC
cavitymode scanning. A 30- 45MHz scanning |
|
|
7487
|
Fri Oct 5 00:29:34 2012 |
Den | Update | PEM | readout box power | Guralp readout box received +13.7 /0/ -15V
instead +15V because of the broken fuse.
Power provided by the source is normal. |
|
|
7488
|
Fri Oct 5 01:36:49 2012 |
Den | Configuration | PEM | changed PEM DQ channels |
|
|
|
7489
|
Fri Oct 5 04:34:31 2012 |
rana | Update | SUS | How about the slow machines? |
|
|
|
7490
|
Fri Oct 5 11:11:00 2012 |
Den | Update | PEM | readout box power |
|
|
|
7491
|
Fri Oct 5 14:40:55 2012 |
Steve | Update | VAC | RGA scan after power outage |
|
|
|
7492
|
Fri Oct 5 14:53:29 2012 |
Jenne | Update | PSL | TTFSS board not fully seated! | [Den, Jenne]
Den noticed that the -15V LED on
the TTFSS board was not illuminated. |
|
|
7493
|
Fri Oct 5 16:21:48 2012 |
Steve | Update | General | freshmen visiters | 40 plus freshmen visited the 40m today |
|
|
7494
|
Fri Oct 5 18:08:17 2012 |
Manasa | Configuration | PSL | AOM installation |
|
|
|
7495
|
Sun Oct 7 12:11:00 2012 |
Aidan | Update | Computers | Rebooted cymac0 | I rebooted cymac0 a couple of times. When
I first got here it was just frozen. I rebooted
it and then ran a model (x1ios). The machine |
|
|
7496
|
Sun Oct 7 15:05:42 2012 |
Den | Update | SUS | MC2 sus damping restored |
|
|
|
7497
|
Sun Oct 7 23:39:10 2012 |
Den | Update | Modern Control | state estimation | I've applied online state estimation technique
using Kalman filter to LQG controller. It
helps to estimate states that we do not measure. |
|