ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
5433
|
Fri Sep 16 14:43:43 2011 |
Suresh | Update | Computer Scripts / Programs | Changed c1ioo model and restarted fb | I had to change the c1ioo model and restart
the fb since the paths allowing us to select
various signals to demodulate using the lockins |
|
5434
|
Fri Sep 16 16:07:28 2011 |
steve | Update | SAFETY | visitors safety training | Paul, Mirko and Katrin visiting grad students
received the 40m basic safety training. |
|
5435
|
Fri Sep 16 16:29:05 2011 |
kiwamu | Update | SUS | f2a filters on SRM | New f2a filters
were installed on SRM. |
|
5436
|
Fri Sep 16 16:34:54 2011 |
Paul | Update | SUS | ITMY SRM oplev telescope plan | I've calculated a suitable collimating
telescope for the ITMY/SRM oplev laser, based
on the specs for the soon-to-arrive 2mW laser |
|
5437
|
Fri Sep 16 17:09:07 2011 |
Paul | Update | SUS | ITMX oplev plan | I just drew a basic picture of how
the ITMX oplev path could be reworked to
minimise the number of optics in the path. |
|
5438
|
Fri Sep 16 17:16:15 2011 |
Jenne | Update | SUS | Input matrix diagonalization: Fail! | [Jenne, Anamaria]
I put the new matricies in from the
free swinging test for the: ITMX, ITMY, ETMX, |
|
5439
|
Fri Sep 16 17:46:13 2011 |
kiwamu | Update | SUS | Some screens fixed | The
bad medm screens have been fixed. There are
no blank fields and all the links are correct. |
|
5440
|
Fri Sep 16 21:26:12 2011 |
Keiko | Update | LSC | 3f demodulation board check | The demodulation
phases and gains for the all existing channels, |
|
5441
|
Fri Sep 16 21:36:25 2011 |
Keiko | Update | LSC | POY11 and POY55 were added | New
channels, POP55 and POY11 are connected to
the rack and now available on the data system. |
|
5442
|
Fri Sep 16 22:11:21 2011 |
Paul | Update | SUS | ITMY transfer function | First of all I moved the lenses on the
ITMY/SRM oplev path to get a smaller spot
size on the QPDs. I couldn't get the beam |
|
5443
|
Fri Sep 16 22:51:52 2011 |
Paul | Update | SUS | Calibration plan for the oplevs | In order to estimate the amount of
noise that the oplevs are injecting into
the GW channel, we first need to calibrate |
|
5444
|
Fri Sep 16 23:22:36 2011 |
kiwamu | Update | SUS | ETMX input matrix : bad YAW-SIDE coupling | With the
new input matrix, it looks like YAW and SIDE |
|
5445
|
Sat Sep 17 01:53:41 2011 |
Keiko | Update | LSC | POY and POP beams clipped | Keiko, Paul, Kiwamu
We found |
|
5446
|
Sat Sep 17 02:07:10 2011 |
kiwamu | Update | SUS | ETMX input matrix : bad YAW-SIDE coupling | Excited all the optics. They will be automatically
back after 5 hours.
Sat Sep 17 02:02:07 PDT 2011 |
|
5447
|
Sat Sep 17 14:04:45 2011 |
Koji | Update | IOO | PZT1 driver in place | The PZT driver is now in place. The actual PZTs are
not connected yet! |
 |
5448
|
Sun Sep 18 14:08:52 2011 |
rana | Update | SUS | Calibration plan for the oplevs | We don't need a high quality calibration
for the optical levers. ~50% accuracy is
fine. |
|
5449
|
Sun Sep 18 15:34:09 2011 |
Koji | Update | Adaptive Filtering | Modifications to LSC, RFM models, added OAF model | [Koji Kiwamu]
This
modification of the LSC model made the rows |
|
5450
|
Sun Sep 18 15:57:00 2011 |
Koji | Update | IOO | The PZT driver engaged to PZT1 | [Koji Kiwamu]
The
pzt driver for PZT1 has been installed. |
|
5452
|
Mon Sep 19 01:07:32 2011 |
kiwamu | Update | SUS | f2a filters on ITMs and ETMX | The f2a filters
were installed on ITMs and ETMX. |
  |
5453
|
Mon Sep 19 01:38:00 2011 |
kiwamu | Update | LSC | today's locking activity | [Anamaria / Kiwamu]
The incident |
|
5454
|
Mon Sep 19 02:08:24 2011 |
kiwamu | Update | LSC | fixed POP clipping | Actually the clipping of POP wasn't in the
chamber but |
|
5457
|
Mon Sep 19 12:23:30 2011 |
Paul | Update | SUS | ITMY and SRM oplev beam size reduced + next steps | I replaced the lenses that were there with
a -150mm lens followed by a +250mm lens.
This gave a significantly reduced beam size |
|
5458
|
Mon Sep 19 13:13:10 2011 |
Paul | Update | SUS | ITMY oplev available for use: SRM not for the moment | I've got the bench set up for the
measurement of the beam spot change with
DC SRM alignment offsets. The ITMY oplev |
|
5460
|
Mon Sep 19 15:30:22 2011 |
Paul | Update | SUS | SRM oplev OSEM yaw calibration curve | I made the first measurements towards
oplev calibration measurements: calibrating
the oplevs in SRM YAW. The measurements seemed |
|
5461
|
Mon Sep 19 15:41:48 2011 |
Jenne | Update | SUS | SUS diag stuff... just so I remember what I'm doing | The following optics were kicked:
ETMX
Mon Sep 19 15:39:44 PDT 2011 |
|
5462
|
Mon Sep 19 15:44:32 2011 |
Mirko | Update | LSC | RF modulation depth measurement | Earlier measurements of the modulation
index were less than optimal because we had
too low transmission through the cavity. |
|
5463
|
Mon Sep 19 16:20:35 2011 |
kiwamu | Update | LSC | AS55 whitening gain decreased | The
gain of whitening filters on AS55 was decreased
from 21 dB to 0 dB for the Y arm locking. |
|
5465
|
Mon Sep 19 16:56:29 2011 |
Paul | Update | SUS | SRM oplev pitch calibration | Same measurements for SRM pitch (as
previously done for yaw in entry 5460) are
complete. The QPD is back in the path and |
|
5466
|
Mon Sep 19 17:45:39 2011 |
rana | Update | SUS | Some screens fixed |
|
|
5467
|
Mon Sep 19 18:05:27 2011 |
rana | Update | SUS | Summary screen |
|
|
5470
|
Mon Sep 19 21:19:25 2011 |
Katrin | Update | Green Locking | Broadband photodiode characterization | Another Hamasutu S3399 photodiode was tested
with the electronic circuit as described
in LIGO-D-1002969-v. |
    |
5471
|
Mon Sep 19 22:47:44 2011 |
Jenne | Update | SUS | SUS diag stuff... just so I remember what I'm doing | The last person out tonight should
run the following scripts:
In Matlab: |
|
5472
|
Mon Sep 19 23:19:40 2011 |
Keiko | Update | IOO | AM modulation mistery | Keiko, Anamaria
We started to investigate the AM
modulation mistery again. Checking just after |
|
5473
|
Tue Sep 20 02:21:10 2011 |
Koji | Update | LSC | LSC MEDM screen cleaning up | I have made some cleaning up of the LSC-related
MEDM screens.
- LSC overview screen: ADC OVFL and |
|
5474
|
Tue Sep 20 03:02:23 2011 |
Keiko | Update | LSC | locking activity tonight | Keiko,
Anamaria, Koji
We |
|
5475
|
Tue Sep 20 03:12:14 2011 |
Anamaria | Update | SUS | Jenne's Scripts started | I followed Jenne's instructions, ran the
matrix filler script and then set the optics
to freeswing. Someone has to burt resture |
|
5476
|
Tue Sep 20 04:12:26 2011 |
Jenne | Update | SUS | Jenne's Scripts started |
|
|
5477
|
Tue Sep 20 09:44:44 2011 |
Jenne | Update | SUS | Jenne's Scripts started |
|
|
5478
|
Tue Sep 20 13:57:44 2011 |
kiwamu | Update | IOO | incident beam to MC aligned | Since the MC wasn't able to capture the
00 mode in this morning I aligned the incident
beam going to MC. |
|
5479
|
Tue Sep 20 14:53:13 2011 |
Jenne | Update | SUS | Jenne's Scripts started |
|
|
5480
|
Tue Sep 20 15:23:16 2011 |
Jenne | Update | SUS | free swinging test in vacuum condition | This is using data for the SRM from: 20
Sept 2011 03:20:00 PDT = 1000549215
You can see that there are still |
|
5481
|
Tue Sep 20 15:39:57 2011 |
Koji | Update | SUS | free swinging test in vacuum condition | Can't we use Yuta's auto-Q adjust script?
http://nodus.ligo.caltech.edu:8080/40m/3723
Edit by KI : |
|
5482
|
Tue Sep 20 15:54:42 2011 |
kiwamu | Update | Cameras | MC refl camera is available | [Suresh / Kiwamu]
The
MC REFL camera is now available. The camera |
|
5483
|
Tue Sep 20 16:31:24 2011 |
Keiko | Update | IOO | Small modulation depth | Modulation
resonator box is removed and the modulation |
|
5484
|
Tue Sep 20 16:38:25 2011 |
Keiko | Update | IOO | Small modulation depth | Resonator
box and the modulations are back now. But
the modulation depth seems to be a bit smaller |
|
5485
|
Tue Sep 20 16:45:09 2011 |
Jenne | Update | SUS | SUS diag stuff... just so I remember what I'm doing | Has the Q been checked? Still
in progress...
|
|
5486
|
Tue Sep 20 17:45:30 2011 |
kiwamu | Update | CDS | daqd is restarting by hisself ? | [Jenne / Kiwamu]
Fb
was sick. Dataviewer and Fourier Tools didn't |
|
5487
|
Tue Sep 20 18:03:45 2011 |
Paul | Update | SUS | ITMY and SRM oplev calibrations - measured and estimated | The measured calibration factors for the
oplevs are as follows:
SRM pitch: 666urad |
|
5488
|
Tue Sep 20 19:00:49 2011 |
Paul | Update | SUS | ITMY and SRM oplev calibrations - measured and estimated |
Kiwamu noticed that the 1/L in the
counts per radian should have just been L, |
|
5490
|
Tue Sep 20 21:13:39 2011 |
Suresh | Update | IOO | MC aligned and PSL beam into MC readjusted | This morning after Kiwamu maximised the
PSL beam coupling into the MC we noticed
that the MC2 face camera showed the spot |
|