| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
7169
|
Tue Aug 14 04:32:49 2012 |
rana, yoichi | Update | Locking | POX signal sometimes looks very funny | The alignment was way off.
We moved the PZT, the BS, and the x arm to
get it to lock. Along the way we noticed |
|
|
7168
|
Tue Aug 14 00:42:40 2012 |
Jenne | Update | Locking | POX signal sometimes looks very funny | I'm trying to lock / align the Xarm, and
POX 11 I looks funny sometimes.
I attach 2 screenshots so you can |
|
|
7167
|
Mon Aug 13 23:06:08 2012 |
Jenne | Update | SUS | Simplant left on | Simplant for ETMX was left on, so I didn't
have control of ETMX. Not cool.
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|
|
7166
|
Mon Aug 13 21:47:30 2012 |
Yaakov | Update | STACIS | Two changes to STACIS noise budget | In eLog 7148 (http://nodus.ligo.caltech.edu:8080/40m/7148),
Koji pointed out that the op-amp and SR560 noise values |
|
|
7165
|
Mon Aug 13 20:12:29 2012 |
jamie | Update | CDS | c1sup model moved to c1lsc machine | I moved the c1sup simplant model to the
c1lsc machine, where there was one remaining
available processor. This requires |
|
|
7164
|
Mon Aug 13 19:29:10 2012 |
Manasa | Summary | | Ringdown measurements | I tried to make ringdown measurements at
the IMC using the DC falling edge as the
trigger. Input to the MC was switched off |
|
|
7163
|
Mon Aug 13 18:00:30 2012 |
jamie | Update | General | larger optical tables at the ends |
|
|
|
7162
|
Mon Aug 13 17:31:19 2012 |
jamie | Update | CDS | mysterious stuck test points on c1spx model |
|
|
|
7161
|
Mon Aug 13 16:58:07 2012 |
jamie | Update | CDS | mysterious stuck test points on c1spx model | We were not able to open up any test points
in the revived c1spx model (dcuid 61).
Looking at the GDS_TP screen we found |
|
|
7160
|
Mon Aug 13 15:31:09 2012 |
steve | Update | General | larger optical tables at the ends | I'm proposing larger
optical tables at the ends to avoid the
existing overcrowding. This would allow the |
|
|
7159
|
Mon Aug 13 12:17:41 2012 |
Manasa | Configuration | IOO | PD from AP table removed | The PD (pda255) at the AP table, close
to the MC refl , which Steve mentioned to
be not in use, has been removed from the |
|
|
7158
|
Mon Aug 13 09:59:05 2012 |
Koji | Update | General | Mysterious banging on emergency door | You mean 5000?
|
|
|
7157
|
Mon Aug 13 01:33:55 2012 |
Den | Update | General | Mysterious banging on emergency door |
|
|
|
7156
|
Mon Aug 13 00:33:06 2012 |
Masha | Update | General | Mysterious banging on emergency door | [Masha, Sasha]
Sorry to spam the e-log, but did
someone come knock loudly on the emergency |
|
|
7155
|
Sun Aug 12 10:34:45 2012 |
Koji | Update | SAFETY | exit door left unlocked | I unlocked the door on Tuesday in order
to move the red cart.
After that I confirmed that the door |
|
|
7154
|
Sun Aug 12 01:21:26 2012 |
steve | Update | SAFETY | exit door left unlocked | Caltech security called me at 1am Sunday.
Control room emergency |
|
|
7153
|
Sat Aug 11 18:57:07 2012 |
Den | Update | PEM | seismometer location | STS-2 - end of X arm
GUR 2 - isolation box
TRILLIUM - 1Y3 (DC power supply uses |
|
|
7152
|
Sat Aug 11 18:05:49 2012 |
Sasha | Update | Simulations | Sim_Plant Working! |
|
|
|
7151
|
Sat Aug 11 01:10:26 2012 |
Sasha | Update | Simulations | Sim_Plant Working! | Sim_Plant going okay. Adding seismic noise
tomorrow - we'll see what happens. The gain
is still semi-off, but I know how to fix |
|
|
7150
|
Fri Aug 10 21:37:15 2012 |
Den | Update | PEM | gur, sts noise | Using Guralp, STS-2 and Trillium
I compared Gur and STS-2 self-noise assuming
that Trillium noise is not worse then STS-2 |
|
|
7149
|
Fri Aug 10 19:49:11 2012 |
Eric | Summary | Locking | Michelson Locking Procedure and Measurements |
|
|
|
7148
|
Fri Aug 10 18:11:55 2012 |
Yaakov | Update | STACIS | Corrected noise budget, plan for external actuation | I hope you're not all tired of the STACIs
noise budgets, because I have another one!
Here, the main difference is my modeling |
6x |
|
7147
|
Fri Aug 10 17:38:29 2012 |
Den | Update | PEM | classify seismic c code |
|
|
|
7146
|
Fri Aug 10 17:17:41 2012 |
Alex Masha Den | Update | PEM | classify seismic c code | Den and I installed a module in the c1pem
model which has a feedforward neural network
to classify seismic disturbance (10 means |
|
|
7145
|
Fri Aug 10 16:39:44 2012 |
Eric | Summary | Locking | Michelson Locking | I'm working on locking the Michelson now
in order to put an excitation on one of the |
|
|
7144
|
Fri Aug 10 15:05:52 2012 |
Manasa | Configuration | IOO | MC trans optics configured |
|
|
|
7143
|
Fri Aug 10 11:08:26 2012 |
jamie | Update | Computers | FE Status |
|
|
|
7142
|
Fri Aug 10 11:05:33 2012 |
jamie | Configuration | IOO | MC trans optics configured |
|
|
|
7141
|
Fri Aug 10 11:00:52 2012 |
Sasha | Update | Simulations | Messing with ETMX | I've been trying to get the simPlant model
to work, and my main method of testing is
switching between the real ETMX and the simulated |
|
|
7140
|
Fri Aug 10 09:54:51 2012 |
Manasa | Configuration | IOO | MC trans optics configured |
|
|
|
7139
|
Fri Aug 10 09:51:51 2012 |
Eric | Summary | Locking | YARM Locking and Measurements | I forgot to post this last night, but I
locked the YARM again yesterday and misaligned
the other optics. I took measurements on |
|
|
7138
|
Fri Aug 10 09:47:19 2012 |
Masha | Update | Computers | FE Status | The c1lsc and c1sus screens are red in
the front-end status. I restarted the frame
builder, and hit the "global diag reset" |
|
|
7137
|
Thu Aug 9 23:50:09 2012 |
Jenne | Update | ASS | ASS matrix measured, first ASS test | Koji pointed out that I was being silly,
and rather than actually misaligning the
optics (by, say, changing their IFO Align |
|
|
7136
|
Thu Aug 9 12:55:15 2012 |
Zach | Update | elog | elog was being a pain in the ass; I restarted it | The elog was not responding. I attempted
to restart it by running .../start-elog.csh,
but this didn't work (even after the usual |
|
|
7135
|
Thu Aug 9 12:31:36 2012 |
Jenne | Update | ASS | ASS rebuilt again | I was (in between Eric's measurements) driving
the YARM ASS dithers, and noticed that instead
of driving ITMY PIT, I was driving ITMX PIT. |
|
|
7134
|
Thu Aug 9 10:09:32 2012 |
Eric | Summary | Locking | YARM Locking and Calibration |
|
|
|
7133
|
Thu Aug 9 07:24:58 2012 |
Sasha | Update | Simulations | All c1spx screens working |
|
|
|
7132
|
Thu Aug 9 04:26:51 2012 |
Sasha | Update | Simulations | All c1spx screens working | As the subject states, all screens are working
(including the noise screens), so |
|
|
7131
|
Thu Aug 9 01:26:03 2012 |
Koji | Update | ASS | Trouble measuring sensing matrix | That's a good point, but I suspect
that you end up with the in-phase (0deg)
as the response of the IFO is immediate compared |
|
|
7130
|
Thu Aug 9 00:35:53 2012 |
Jenne | Summary | Locking | YARM Locking and Calibration |
|
|
|
7129
|
Thu Aug 9 00:23:11 2012 |
Jenne | Update | ASS | Trouble measuring sensing matrix |
|
|
|
7128
|
Thu Aug 9 00:14:02 2012 |
Eric | Summary | Locking | YARM Locking and Calibration | Today I spent time locking the YARM
in order to calibrate the arm cavity. Here's |
|
|
7127
|
Wed Aug 8 22:17:43 2012 |
Manasa | Configuration | IOO | MC trans optics configured |
|
|
|
7126
|
Wed Aug 8 22:12:30 2012 |
rana | Configuration | IOO | MC trans optics configured | The PDA255 |
|
|
7125
|
Wed Aug 8 20:51:56 2012 |
Manasa | Update | 40m Upgrading | Optical layout updated |
|
|
|
7124
|
Wed Aug 8 20:50:39 2012 |
Koji | Update | ASS | Trouble measuring sensing matrix | From the log, I couldn't understand what
has been done.
The procedure we should perform is |
|
|
7123
|
Wed Aug 8 20:34:29 2012 |
Jenne | Update | ASS | Trouble measuring sensing matrix | I turned on the ASS, without closing the
loops, to try to measure the sensing matrix.
The Yarm was locked |
|
|
7122
|
Wed Aug 8 19:54:06 2012 |
Manasa | Configuration | IOO | MC trans optics configured | Jan and I wanted to measure the ringdown
at the IMC. Since the QPD at the MC trans
is not fast enough for ringdown measurements, |
|
|
7121
|
Wed Aug 8 18:01:58 2012 |
Jenne | Update | IOO | MC autolocker threshold changed | Jan and Manasa are going to elog about
their work later, but it involved putting
a BS/window/some kind of pick off in front |
|
|
7120
|
Wed Aug 8 13:37:46 2012 |
Koji | Update | Computer Scripts / Programs | Week 8/Summary Pages update | Hey, the pages got significantly nicer
than before. I will continue to give you
comments if I find anything. |
|