ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
9204
|
Fri Oct 4 20:25:12 2013 |
Masayuki | Update | Green Locking | ALS down script | I wrote the down script for ALS. This script
is
(script)/ALS/ALSdown.py When |
|
9206
|
Sun Oct 6 18:37:43 2013 |
rana | Update | SUS | Replaced the laser for Optical Lever of ETMY | I centered the ETMY OL today and found
that the UGF was around 3-4x too LOW after
the laser swap and re-alignment. That's why |
|
9209
|
Sun Oct 6 22:52:09 2013 |
Jenne, Rana | Update | IOO | input beam to PMC aligned again | after |
|
9210
|
Sun Oct 6 23:43:07 2013 |
rana | Update | IOO | WFS debugging |
|
|
9212
|
Mon Oct 7 10:51:18 2013 |
Steve | Update | SUS | Replaced the laser for Optical Lever of ETMY | Just plot.
RA: I'm not |
 |
9213
|
Mon Oct 7 13:55:26 2013 |
Jenne | Update | LSC | Arms locked in IR for many hours | Someone left the arms aligned, and the
LSC engaged, so the arms have been locked
almost continuously for several days |
|
9214
|
Mon Oct 7 14:15:10 2013 |
Jenne | Update | LSC | PRMI alignment is also excellent | Something is really excellent with the
alignment today, or something has changed
with the POP path / electronics. While |
|
9215
|
Mon Oct 7 14:24:10 2013 |
Jenne | Update | LSC | PRMI Config settings re-saved | I have resaved the PRMI locking settings
in the IFO Config screen. Nothing has
changed, except that I have put a 1e-4 into |
|
9217
|
Mon Oct 7 18:36:39 2013 |
Jenne | Update | LSC | Sensing Matrix scripts updated | I discovered that I was not getting enough
SNR on all the refl RFPDs when I actuated
using the Sensing Matrix script. The |
|
9220
|
Tue Oct 8 08:58:16 2013 |
Steve | Update | SUS | Oplev power spectrums |
|
  |
9221
|
Tue Oct 8 11:29:30 2013 |
Steve | Update | PEM | no Janitor day today | This was the second week without wet mopping
the floor and wet wipe down of the vacuum
envelope. |
|
9222
|
Tue Oct 8 16:56:38 2013 |
Jenne | Update | LSC | LSC model sensing matrix upgrades in progress | I have modified the LSC model (the
currently-running model is checked into the
svn), but it is not compiling for me. |
|
9223
|
Wed Oct 9 11:48:10 2013 |
Steve | Update | VAC | RGA scan at day 65 |
Valve configuration: Vacuum
Normal |
 |
9224
|
Wed Oct 9 15:00:48 2013 |
Steve | Update | PEM | freshmen tour | [Alan, Koji, Manasa]
Record number of 50 freshmen were
given tour of the 40m this afternoon. |
|
9225
|
Wed Oct 9 17:27:35 2013 |
Jenne | Update | LSC | LSC model sensing matrix upgrades | The modifications to the LSC model are
now complete, and the new model has been
compiled, installed, and is running. The |
|
9226
|
Wed Oct 9 18:45:17 2013 |
Masayuki | Update | Green Locking | ALS down script modified |
|
|
9227
|
Wed Oct 9 22:05:55 2013 |
Jenne | Update | LSC | New lockin / sensing matrix screens | After finishing up working on the models
for today, I made corresponding screens.
|
|
9228
|
Wed Oct 9 22:58:34 2013 |
Manasa | Update | Green Locking | ALS stabilization | After Jenne and Masayuki told that they
were not able to stabilize the ALS for either
arms yesterday, I looked into things with |
|
9229
|
Thu Oct 10 08:25:07 2013 |
Steve | Update | safety | Chris received safety training | Chris Couste, our new undergrad help received
40m specific, basic safety training yesterday. |
|
9230
|
Thu Oct 10 11:30:15 2013 |
Steve | Update | SUS | Oplev power spectrums: PIT-YAW |
Power spetrum of ETMX and ETMY in
the view of oplev pitch and yaw. |
|
9231
|
Thu Oct 10 11:46:43 2013 |
Jenne | Update | SUS | ITMY OpLev Noise | For my work designing a cost function,
so that I can try out new feedback servo
designs on the oplevs, I wanted to know what |
|
9232
|
Fri Oct 11 00:37:21 2013 |
Masayuki | Update | Green Locking | Y-arm ALS | [Manasa, Masayuki]
-
Motivation |
 |
9233
|
Fri Oct 11 00:37:23 2013 |
manasa | Update | Green Locking | X arm green locking modes | [Masayuki, Manasa]
We have stabilized the ALS for Y
arm and concluded that although the PDH servo |
 |
9234
|
Fri Oct 11 17:37:08 2013 |
Jenne | Update | LSC | New lockin / sensing matrix screens |
|
|
9235
|
Fri Oct 11 20:30:08 2013 |
Masayuki | Update | SUS | Centering of Oplev of ETMY | I centered the oplev of the ETMY, because
I found that Yarm lost lock every 10 minutes,
and the ETMY oplev was misaligned very much. |
|
9236
|
Sun Oct 13 13:29:09 2013 |
rana | Update | LSC | New lockin / sensing matrix screens | I think that we always drive
above the UGF for sensing matrix measurements
since we like to put notches in the servo. |
|
9237
|
Mon Oct 14 17:40:15 2013 |
Jenne | Update | LSC | New lockin / sensing matrix screens | Hmmmm, yup. I forgot to pay
attention to what the UGFs of our LSC loops
are when I was picking a low-noise region. |
|
9238
|
Mon Oct 14 17:51:40 2013 |
Jenne | Update | IOO | input beam to PMC drifted again |
|
|
9239
|
Mon Oct 14 21:12:35 2013 |
Jenne | Update | LSC | New lockin / sensing matrix screens | After staring and thinking, I remembered
that there is a limit to the number of characters
that a channel name can have. So, I |
|
9240
|
Tue Oct 15 01:39:07 2013 |
Masayuki | Update | Green Locking | Y-arm ALS |
- Motivation |
 |
9241
|
Tue Oct 15 15:25:13 2013 |
Steve | Update | SUS | Oplev power spectrums bandwidths | Atm1 bandwidth 0.01 Hz ETMY plot
is different from |
 |
9242
|
Wed Oct 16 02:08:05 2013 |
Masayuki | Update | Green Locking | Script for scan cavity. | I wrote the script to scan the cavity using
ALS until it finds IR resonance . This script
is |
 |
9243
|
Wed Oct 16 02:27:56 2013 |
Jenne | Update | LSC | PRMI + 2 arm attempt |
[Masayuki, Jenne]
Masayuki informed me
that the Xarm ALS was feeling pretty good |
  |
9244
|
Wed Oct 16 02:39:24 2013 |
rana | Update | LSC | PRMI + 2 arm attempt |
that's
some hot stuff
|
|
9245
|
Wed Oct 16 03:04:37 2013 |
Jenne | Update | LSC | New lockin / sensing matrix model parts |
|
|
9246
|
Wed Oct 16 10:32:40 2013 |
Steve | Update | SUS | Flowbench effect on oplev error signals | ETMX _OPLEV_...ERROR signals are
effected by turning ON the |
|
9247
|
Wed Oct 16 17:34:28 2013 |
Jenne | Update | LSC | PRMI + 2 arm attempt | Koji reminded me that we should also save
the data from the PRMI+Xarm, just in case
we want to look at it later. |
|
9248
|
Wed Oct 16 19:19:14 2013 |
Masayuki | Update | Green Locking | End PDH 60 Hz comb noise in YARM | [Manasa, Masayuki]
- Motivation |
|
9249
|
Thu Oct 17 13:26:13 2013 |
Jenne | Update | ASC | POP QPD realigned | I locked the PRMI, and tried to turn on
the ASS, but this caused PRMI to lose lock.
Since this is similar to what happened |
|
9250
|
Thu Oct 17 13:40:55 2013 |
Jenne | Update | LSC | New lockin / sensing matrix frequencies | I locked PRMI, and (after fixing the POP
QPD situation, noted in elog
9249) took power spectra of all the REFL |
|
9251
|
Thu Oct 17 18:29:28 2013 |
Koji | Update | LSC | PRMI+2arm attempt (not really yet) | While Manasa, Jenne, and Masayuki are working
on the preparing the interferometer, I write
the elog for them. |
|
9252
|
Thu Oct 17 22:38:25 2013 |
Masayuki | Update | PSL | PSL temperature changed | [Manasa, Masayuki]
PSL
temperature changed |
|
9253
|
Fri Oct 18 08:12:08 2013 |
Steve | Update | PEM | 1000 days trends | |
|
9254
|
Fri Oct 18 15:18:49 2013 |
Steve | Update | PEM | particle count peak or ... | Sunday evening fireworks. Manasa heard
it. |
 |
9255
|
Mon Oct 21 09:46:12 2013 |
Steve | Update | PSL | Laser just turned on | I have just turned on the PSL Innolight
laser. The laser shut down with unknown
reason a day ago. |
|
9256
|
Mon Oct 21 13:15:52 2013 |
Koji | Update | IOO | PMC aligned | PMC aligned. Trans 0.78 -> 0.83 |
|
9257
|
Tue Oct 22 10:12:33 2013 |
Steve | Update | PEM | south arm AC intake duct checked | The 4th week of no wet mopping
of the floor and no wet wiping
the vacuum envelope. |
  |
9258
|
Tue Oct 22 11:58:16 2013 |
Masayuki | Update | Green Locking | Yarm ALS PDH | [Manasa, Masayuki]
Purpose
As this |
|
9259
|
Tue Oct 22 18:55:55 2013 |
rana | Update | CDS | Workstation swap: Rosalba to ??? | We got a new computer from Xi computer
corp. I am currently installing Ubuntu 10.04
LTS on to it to start with and then will |
|
9260
|
Wed Oct 23 00:05:17 2013 |
manasa | Update | SUS | Unstable Y arm ALS points to problems with ETMY suspension | [Masayuki, Manasa]
Looking into control signals and error |
|