| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
6470
|
Fri Mar 30 09:37:13 2012 |
steve | Update | SAFETY | safety audit 2012 CORRECTIONS |
|
|
|
6469
|
Fri Mar 30 08:58:37 2012 |
steve | Update | SAFETY | Safety glasses checked | Bob cleaned all safety glasses in 10 %
Liquinox soap in water solution first.
The transmittance of glasses were checked |
|
|
6468
|
Thu Mar 29 20:13:21 2012 |
jamie | Configuration | PEM | PEM_SLOW (i.e. seismic RMS) channels added to fb master | I've added the PEM_SLOW.ini file to the
fb master file, which should give us the
slow seismic RMS channels when the framebuilder |
|
|
6467
|
Thu Mar 29 19:13:56 2012 |
Jamie | Omnistructure | Computers | Wireless router for GC | I retrieved the newly "secured"
router from Junaid. It had apparently
been hooked up to the GC network via it's |
|
|
6466
|
Thu Mar 29 18:42:11 2012 |
keiko | Update | LSC | POP22/POP110 amplifires | Adding two amplifiers on POP22/110,
I checked the signals going to the dmod board
of 22 and 110. |
|
|
6465
|
Thu Mar 29 13:23:05 2012 |
Jenne | Omnistructure | Computers | Wireless router for GC |
|
|
|
6464
|
Thu Mar 29 11:29:27 2012 |
keiko | Update | LSC | POP22/POP110 amplifires | Yesterday I and Kiwamu connected two amplifiers
(mini-circuit, ZFL-1000LNB+) for POP22/110.
Dataviewer can see some signals. I'll test |
|
|
6463
|
Wed Mar 28 21:15:53 2012 |
rana | Omnistructure | Computers | Wireless router for GC | I installed a NETGEAR Wireless Router (WPN824N)
today on the 131 network. The admin password
for it as well as the wireless access password |
|
|
6462
|
Wed Mar 28 20:54:02 2012 |
Jenne | Update | IOO | Beam Profile measurement: IPPOS beam | I fitzed by hand with the numbers for the
incident angles on MMT1 and MMT2, and then
let the code optimize the position of MMT1 |
|
|
6461
|
Wed Mar 28 18:26:47 2012 |
Jenne | Update | IOO | Beam Profile measurement: IPPOS beam | More calculations....
Game Plan: Using MC
waist measured beam as the starting point |
|
|
6460
|
Wed Mar 28 01:17:29 2012 |
Jenne | Update | IOO | Beam Profile measurement: IPPOS beam | As I was a little dissatisfied with the
inaccuracy in the distance numbers in Kiwamu's
sketch, I went back to the 18 Dec 2010 table |
|
|
6459
|
Tue Mar 27 23:37:35 2012 |
Suresh | Update | IOO | Beam Profile measurement: IPPOS beam |
|
|
|
6458
|
Tue Mar 27 21:37:51 2012 |
keiko | Configuration | IOO | Beam Profile measurement: IPPOS beam | From the mode measurement I and Suresh
have done yesterday, I calculated what beam
size we expect at ETM ((1) upper Fig.1) and |
9x |
|
6457
|
Tue Mar 27 21:20:32 2012 |
Jenne | Update | IOO | Beam Profile measurement: IPPOS beam |
|
|
|
6456
|
Tue Mar 27 18:03:46 2012 |
Jenne | Update | IOO | Beam Profile measurement: IPPOS beam | This is wrong!
See following elog for corrected plot (and |
|
|
6455
|
Tue Mar 27 17:52:08 2012 |
Koji | Update | IOO | Another possibility / thought | It is quite likely that we touched the
Faraday in Nov 2010.
In this entry http://nodus.ligo.caltech.edu:8080/40m/3874 |
|
|
6454
|
Tue Mar 27 17:38:03 2012 |
Jenne | Update | IOO | Another possibility / thought | I'm meditating over the mode matching from
the mode cleaner to the ITMs, and I had another
thought: |
|
|
6453
|
Tue Mar 27 17:19:02 2012 |
Koji | Update | IOO | Beam Profile measurement: IPPOS beam | The mode looks quite terrible in the plot,
but in reality it is an illusion of the plot. |
|
|
6452
|
Tue Mar 27 16:06:59 2012 |
keiko | Update | IOO | Beam Profile measurement: IPPOS beam | I changed the ETMY CCD camera angle
so that we can see the suspension frame in
order to repeat the same thing as yesterday. |
|
|
6451
|
Tue Mar 27 11:54:18 2012 |
Jenne | Update | IOO | Beam Profile measurement: IPPOS beam | I'd like to know what we expect for these
numbers. I've added to Kiwamu's drawing
some more distances, so I can calculate the |
|
|
6450
|
Tue Mar 27 02:46:28 2012 |
kiwamu | Update | IOO | REFL beam available | The dump and some temporary mirrors
were removed and now the REFL beam is available
again. |
|
|
6449
|
Tue Mar 27 02:18:31 2012 |
keiko | Update | IOO | Beam Profile measurement: IPPOS beam | Keiko, Rana, Suresh
Related to the beam profile of IPPOS
today, we tried to measure the beam size |
|
|
6448
|
Tue Mar 27 02:05:40 2012 |
Suresh | Update | IOO | Beam Profile measurement: IPPOS beam |
|
|
|
6447
|
Mon Mar 26 23:47:54 2012 |
Suresh | Update | IOO | Beam Profile measurement: IPPOS beam | [Keiko, Suresh]
Keiko and I measured
the IPPOS beam profile. The fit parameters |
|
|
6446
|
Mon Mar 26 18:04:43 2012 |
kiwamu | Update | IOO | mode scan at the REFL port | For those who are interested in the
actual data, I attache the actual data in
zip file together with a python plot code. |
|
|
6445
|
Mon Mar 26 16:25:44 2012 |
kiwamu | Update | IOO | expected v.s. measured beam profile of PRM reflection | [Suresh / Kiwamu]
We did the 2nd round of
the PRM reflection mode scan on Friday. |
|
|
6444
|
Mon Mar 26 15:15:16 2012 |
kiwamu | Update | IOO | expected beam profile of PRM reflection | I have estimated how the mode profile
of the PRM reflection should be, as shown
in the plot blow. |
|
|
6443
|
Mon Mar 26 12:50:24 2012 |
Zach | Update | elog | restarted with script | On the plus side, it was the first time
I've had to do it in a while.. |
|
|
6442
|
Sun Mar 25 20:13:31 2012 |
rana | HowTo | SUS | Optical Lever Servo Tuning thoughts | To start the optical lever filter design,
I looked into the noise on ITMY. It should
be similar to the other arm cavity optics |
|
|
6441
|
Fri Mar 23 05:10:46 2012 |
Suresh | Update | IOO | Beam Profile measurements: Errors too large to yield good fits. | [Kiwamu, Suresh]
Today we attempted to
measure the beam profile of the REFL beam |
|
|
6440
|
Fri Mar 23 01:59:59 2012 |
kiwamu | Update | IOO | REFL beam currently unavilable | [Suresh / Kiwamu]
Currently
the REFL beam is bypassed by additional mirrors |
|
|
6439
|
Thu Mar 22 23:43:56 2012 |
Koji | Update | CDS | c1scx and c1scy not properly running | Did you guys checked if the simplant switch
is set to "REAL WORLD" mode? |
|
|
6438
|
Thu Mar 22 17:41:15 2012 |
suresh | Update | CDS | c1scx and c1scy not properly running |
|
|
|
6437
|
Thu Mar 22 17:35:59 2012 |
kiwamu | Update | Locking | mode profiles of the POP and POX beams : not bright enough | I tried to measure the beam profiles at
the POP and POX ports as Koji mentioned in
his entry (#6421). |
|
|
6436
|
Thu Mar 22 16:45:06 2012 |
kiwamu | Update | CDS | c1scx and c1scy not properly running | It
seems that neither c1scx nor c1scy is working
properly as their ADC counts are showing |
|
|
6435
|
Thu Mar 22 08:14:21 2012 |
steve | Update | Green Locking | dichroic mirror quotes with large wedge |
|
|
|
6434
|
Wed Mar 21 19:12:27 2012 |
steve | Update | Computers | AC power back on both ends |
|
|
|
6433
|
Wed Mar 21 11:32:47 2012 |
steve | Update | SAFETY | AC power to ETMX turned off |
|
|
|
6432
|
Wed Mar 21 10:31:28 2012 |
steve | Update | SAFETY | AC power to ETMY turned off | ETMY sus damping was disabled. Green locking
laser and associated electronics turned off.
Computers and power supplies turned off at |
|
|
6431
|
Tue Mar 20 17:50:44 2012 |
Suresh | Update | Computers | Beam Scan machine fixed | There was something wrong with the Beam
Scan PC. The mouse and screen
were not responding and the PC was asking |
|
|
6430
|
Tue Mar 20 16:53:48 2012 |
steve | Update | PEM | cranes maintenance & certified inspection of 2012 | Fred Goodbar of Konecrane has completed
the annual certified crane inspection and
maintenance of our cranes as required in |
|
|
6429
|
Tue Mar 20 09:59:01 2012 |
steve | Update | IOO | Laser tripped off | Today is janitor day. It still does not
explain why the 2W Innolight tripped off
about an hour ago. All back to normal. |
|
|
6428
|
Mon Mar 19 21:25:31 2012 |
Suresh | Update | Electronics | REFL165 calibration : measurements |
|
|
|
6427
|
Sun Mar 18 00:29:24 2012 |
Den | Update | PEM | sts-2 | I've turned off the power of the STS-2
readout box as it provides outputs with ~10
Volts DC offset! AA filter box works in the |
|
|
6426
|
Fri Mar 16 16:03:03 2012 |
kiwamu | Update | IOO | MC alignment servo : put some offsets in the TRANS QPD signal | The
MC alignment servo wasn't great in the last
1 hour or so as it kept disturbing the MC |
|
|
6425
|
Fri Mar 16 16:01:53 2012 |
rana | Update | Electronics | REFL165 calibration : measurements | To characterize the RF V to counts
we need to know the state of the whitening
filter board. Was the filter on or off ? |
|
|
6424
|
Fri Mar 16 10:37:52 2012 |
Jenne | Update | Electronics | Jenne Laser |
|
|
|
6423
|
Fri Mar 16 06:17:56 2012 |
Suresh | Update | Electronics | REFL165 calibration : measurements |
These are the measurements for estimating
the amplitude of the signal recorded in the |
|
|
6422
|
Thu Mar 15 08:48:40 2012 |
Ryan | Summary | CDS | Summary of Syracuse Visit to 40m Mar 5-9 2012 | JIMS Channels in PEM Model
The
PEM model has been modified now to include
the JIMS(Joint Information Management System) |
|
|
6421
|
Thu Mar 15 04:04:23 2012 |
Koji | Configuration | Locking | PRC Matching issues | Kiwamu and Koji
We found that the intra-cavity mode
of the PRC is not round although it was obvious |
|