ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
13291
|
Tue Sep 5 02:07:49 2017 |
gautam | Update | LSC | Low Noise DRMI attempt | Summary:
Tonight, I was able |
|
|
13292
|
Tue Sep 5 09:47:34 2017 |
Kira | Summary | PEM | heater circuit calculations | I decided to calculate the fluctuation
in power that we will have in the heater
circuit. The resistors we ordered have 50 |
|
|
13293
|
Tue Sep 5 14:41:58 2017 |
gautam | Update | CDS | NDS2 server restarted on megatron | I was unable to download data using nds2.
Gabriele had reported similar problems a
week ago but I hadn't followed up on |
|
|
13294
|
Tue Sep 5 16:37:47 2017 |
Gabriele | Summary | LSC | Improved PRMI deep learning reconstruction | This is an update on the results already
presented earlier (refer to elog 13274 for |
|
|
13295
|
Tue Sep 5 17:18:17 2017 |
Kira | Update | PEM | temp sensor update | Today, I stuck on the sensors to a metal
block using a flag, rubber bands, and some
thermal paste (1st attachment). I then wrapped |
|
|
13296
|
Tue Sep 5 17:52:06 2017 |
Kira | Update | PEM | temp sensor update | to get the sensors to read the same values
they have to be in direct thermal contact
with the metal block - there can't be |
|
|
13297
|
Tue Sep 5 23:02:37 2017 |
gautam | Update | CDS | slow machine bootfest | MC autolocker was not working - PCdrive was railed
at its upper rail for ~2 hours judging by |
|
|
13298
|
Tue Sep 5 23:13:44 2017 |
johannes | Update | PSL | PSL table auxiliary NPRO | I used Gautam's mode measurement of
the auxiliary NPRO (w=127.3um,
z=82mm) for the spacing of the optics |
|
|
13299
|
Wed Sep 6 01:09:11 2017 |
johannes | Update | Computer Scripts / Programs | New set of loss measurements | I
stumbled upon a faster way to stream data from |
|
|
13300
|
Wed Sep 6 23:06:30 2017 |
gautam | Update | LSC | Coil de-whitening switching investigation | Summary:
Rana
suggested checking if the coil de-whitening
switching is actually happening in the analog |
|
|
13301
|
Thu Sep 7 23:09:00 2017 |
johannes | Update | PSL | PSL table auxiliary NPRO | I brought the DEI Pulser
unit and a suitable Pockels cell
over from Bridge today (I also found an identical |
|
|
13302
|
Fri Sep 8 07:54:04 2017 |
Steve | Update | PEM | M8.1 eq | Nothing tripped. No obvious damage. |
|
|
13303
|
Fri Sep 8 10:22:30 2017 |
Steve | Update | PEM | temp sensor update | The weight of SS can with copper liner
is 12.2 kg
Is 1 Amp for the heating jacket |
|
|
13304
|
Fri Sep 8 12:08:32 2017 |
Gabriele | Summary | LSC | Good reconstruction of PRMI degrees of freedom with deep learning | Introduction
This is an update
of my previous reports on applications of
deep learning to the reconstruction of PRMI |
|
|
13305
|
Mon Sep 11 09:47:53 2017 |
Steve | Update | General | WIMA caps refilled | Instock WIMA caps refilled to a minimum
50 pieces each. |
|
|
13306
|
Mon Sep 11 12:40:32 2017 |
johannes | Update | PSL | PSL table auxiliary NPRO | I changed the PSL table auxiliary laser
setup to the 200 MHz AOM and put the light
back in the fiber. Coupling efficiency is |
|
|
13307
|
Mon Sep 11 12:56:40 2017 |
johannes | Update | Computer Scripts / Programs | lossmap attempts | I was trying to get a lossmap measurement
over the weekend but had some trouble first
with the IMC and then with the PMC. |
|
|
13308
|
Mon Sep 11 15:58:02 2017 |
Steve | Update | General | NPRO for repair | This NPRO has a tripping power output******
|
|
|
13309
|
Mon Sep 11 16:46:09 2017 |
Steve | Update | PEM | earthquakes |
|
|
|
13310
|
Mon Sep 11 23:31:50 2017 |
johannes | Update | Cameras | post-vent camera capture comparison | The latest pre-unintended vent captures
of the test mass face cameras were taken
on June |
13x |
|
13311
|
Tue Sep 12 11:44:16 2017 |
Kira | Update | PEM | temp sensor update | Got it to work. A cable was broken and
the AD586 also broke at the same time so
it took a while to find the problem. I had |
|
|
13312
|
Fri Sep 15 15:54:28 2017 |
gautam | Update | CDS | FB wiper script | A wiper script is not yet set up for our
new Frame-Builder. The disk usage is ~80% |
|
|
13313
|
Fri Sep 15 16:00:33 2017 |
gautam | Update | LSC | Sensing measurement | I've been working on analyzing the
data from the DRMI locks last week.
Here are the results of the sensing |
|
|
13314
|
Fri Sep 15 17:08:58 2017 |
gautam | Update | LSC | Coil de-whitening switching investigation | I downloaded a segment of data from the
time when the DRMI was locked with the BS
and ITM coil driver de-whitening switched |
|
|
13315
|
Sat Sep 16 10:56:19 2017 |
rana | Update | LSC | Coil de-whitening switching investigation | The
absence of evidence is not evidence of absence. |
|
|
13316
|
Mon Sep 18 15:00:15 2017 |
rana, gautam | Frogs | Computer Scripts / Programs | gateway PWD change | We implemented |
|
|
13317
|
Mon Sep 18 17:17:49 2017 |
gautam | Update | CDS | FB wiper script | After trying to debug this issue using
the Perl debugger, I concluded that the problem
is in the part of the code that splits the |
|
|
13318
|
Mon Sep 18 17:30:54 2017 |
Chris | Update | CDS | FB wiper script | Attached is the version of the wiper script
we use on the CryoLab cymac. It works with
perl v5.20.2. Is this different from what |
|
|
13319
|
Mon Sep 18 17:51:26 2017 |
gautam | Update | CDS | FB wiper script | It is a little different - specifically,
the way the splitting of the output of the
"du" command into disk usage and |
|
|
13320
|
Mon Sep 18 18:40:34 2017 |
gautam | Update | CDS | FB wiper script | I did a further check on the wiper script
by changing the "percent_keep"
from 85.0 to 75.0, and running the script |
|
|
13321
|
Tue Sep 19 11:05:26 2017 |
Steve | Update | VAC | RGA scan at day 334 |
|
|
|
13322
|
Tue Sep 19 14:00:41 2017 |
Steve | Update | PEM | earthquakes | No sus tripped. Seimometers do not see
the 5.3M ?
|
|
|
13323
|
Wed Sep 20 15:49:26 2017 |
rana | Omnistructure | Computers | new internet | Larry Wallace hooked up a new switch (Brocade
FWS 648G) today which is our 40m lab
interface to the outside world internet. |
|
|
13324
|
Wed Sep 20 16:14:17 2017 |
gautam | Update | Equipment loan | Impedance test kit borrowed from Downs | I borrowed the HP impedance test kit from
Rich Abbott today. The purpose is to profile
the impedance of the NPRO PZTs, as part of |
|
|
13325
|
Thu Sep 21 01:32:00 2017 |
gautam | Update | ALS | AUX X Innolight AM measurement running | [rana,gautam]
We set up a measurement of the
AUX X laser AM today. Some notes: |
|
|
13326
|
Thu Sep 21 01:55:16 2017 |
rana | Update | ALS | X End table of Shame | Image #1: No - we do not use magnetic mounts
for beam dumps. Use a real clamp. It has
to be rigid. "its not going anywhere" |
|
|
13327
|
Thu Sep 21 15:23:04 2017 |
gautam | Omnistructure | ALS | Long cable from LSC->IOO | [steve,gautam]
We laid out a 45m long BNC cable
from the LSC rack to the IOO rack via overhead |
|
|
13328
|
Fri Sep 22 18:12:27 2017 |
gautam | Update | LSC | DAC noise measurement (again) | I've been working on setting up some
scripts for measuring the DAC noise.
In all the DRMI noise budgets I've |
|
|
13329
|
Sun Sep 24 20:47:15 2017 |
rana | Update | Computer Scripts / Programs | RF TF Uncertainties | I have made several changes to Craig's
script for better pythonism. Its more robust
with different libraries and syntaxes and |
|
|
13330
|
Mon Sep 25 17:56:33 2017 |
johannes | Update | Computer Scripts / Programs | transmitted power during lossmap | I had to do a reboot + burt restore of
c1psl today. It was unresponsive and I couldn't
get the PMC to lock. I also had to slightly |
|
|
13331
|
Tue Sep 26 13:40:45 2017 |
gautam | Update | CDS | NDS2 server restarted on megatron | Gabriele reported problems with the nds2
server again. I restarted it again.
|
|
|
13332
|
Tue Sep 26 15:55:20 2017 |
gautam | Update | CDS | 40m files backup situation | Backups
of the root filesystems of |
|
|
13333
|
Tue Sep 26 19:10:13 2017 |
gautam | Update | ALS | Fiber ALS setup neatened | [steve, gautam]
The Fiber ALS box has been installed
on the existing shelf on the PSL table. We |
|
|
13334
|
Tue Sep 26 22:11:08 2017 |
johannes | Update | Cameras | post-vent camera capture comparison | I configured the remaining GigE-Camera
to work on the 40m network. We currently
have 3 operational Basler cameras: |
|
|
13335
|
Wed Sep 27 00:20:19 2017 |
gautam | Update | ALS | More AM sweeps | Attachment #1: Result
of AM sweeps with EX laser crystal at nominal
operating temperature ~ 31.75 C. |
|
|
13336
|
Wed Sep 27 22:25:21 2017 |
gautam | Update | LSC | DAC noise measurement (again) | Attachment
#1: Summary of results of measurements |
|
|
13337
|
Wed Sep 27 23:44:45 2017 |
gautam | Update | ALS | Proposed PM measurement setup | Attachment #1 is
a sketch of the proposed setup to measure
the PM response of the EX NPRO. Previously, |
|
|
13338
|
Thu Sep 28 06:35:44 2017 |
Chris | Update | LSC | DAC noise measurement (again) | Since you're monitoring two channels
simultaneously, you could try subtracting
them, as an alternative to carving out bandstops. |
|
|
13339
|
Thu Sep 28 10:33:46 2017 |
gautam | Update | CDS | 40m files backup situation | After consulting with Jamie, we reached
the conclusion that the reason why the root
of FB1 is so huge is because of the way the |
|
|
13340
|
Thu Sep 28 11:13:32 2017 |
jamie | Update | CDS | 40m files backup situation |
|
|