| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
3217
|
Wed Jul 14 12:12:03 2010 |
Razib | Summary | Phase Camera | Weekly update | This week I was mainly interested in investigating
the noise source at the phase camera. So
having this issue in mind, my activities |
|
|
3223
|
Wed Jul 14 19:15:26 2010 |
Gopal | Summary | Optic Stacks | REVISION: Eigenfrequency Analysis of Single Stack Complete | My previous eigenfrequency analysis
was incorrect by two orders of magnitude
due to the misuse of Young's Modulus information |
|
|
3232
|
Thu Jul 15 19:27:04 2010 |
rana | Summary | PSL | RC trend after the insulation removal | |
|
|
3247
|
Mon Jul 19 21:47:36 2010 |
rana | Summary | DAQ | DAQ timing test | Since we now have a good measurement of
the phase noise of the Rb clock
Marconi locked to the Rb clock, I wanted |
|
|
3260
|
Wed Jul 21 15:43:38 2010 |
Megan | Summary | PSL | Copper Layer Thickness on the Reference Cavity | Using the equation for thermal resistance
Rthermal = L/(k*A)
where k is the thermal conductivity |
|
|
3299
|
Tue Jul 27 16:03:36 2010 |
rana | Summary | DAQ | DAQ timing test |
|
|
|
3300
|
Tue Jul 27 16:33:50 2010 |
Koji | Summary | General | High school students tour | Jenne made the 40m tour for the annual
visit of 30-40 students.
c.f. |
|
|
3317
|
Thu Jul 29 12:13:28 2010 |
kiwamu | Summary | CDS | near term plan | [Joe and Kiwamu]
|
|
|
3318
|
Thu Jul 29 12:31:09 2010 |
Koji | Summary | General | Lab Schedule | July
29 Thu BS chamber work: Move cable
towers / green steering mirrors / (2 TTs |
|
|
3324
|
Thu Jul 29 20:43:32 2010 |
Gopal | Summary | Optic Stacks | Modeling Tips and Tilts | I have discovered a method of completely |
|
|
3339
|
Sat Jul 31 04:03:11 2010 |
Gopal | Summary | Optic Stacks | Complete Displacement Translational Transfer Function Matrix | Over the past 36 hours, I've run full-fledged
FDAs on KALLO. |
|
|
3345
|
Sun Aug 1 21:04:45 2010 |
rana | Summary | Computer Scripts / Programs | MC Autolocker fixed | Someone had left a typo in the MC autolocker
script recently while trying to set the lock
threshold to 0.09. As a result, the autlocker |
|
|
3346
|
Sun Aug 1 21:40:27 2010 |
rana | Summary | PSL | FSS: SLOWDC response | I bet you thought that the NPRO slow actuator
response could be well represented by a pole
at ~0.1 Hz? Well, that's just what they want |
|
|
3378
|
Fri Aug 6 17:47:36 2010 |
steve | Summary | General | cranes load tested at 1998 lbs |
|
|
|
3382
|
Sat Aug 7 10:47:38 2010 |
Koji | Summary | elog | elog restarted / source of the trouble eliminated | Nancy
notified me that the elog crashed. It was |
|
|
3385
|
Sat Aug 7 21:57:56 2010 |
rana | Summary | DMF | seisBLRMS restarted | The green xterm on op540m which is running
the seisBLRMS DMF got stuck somehow ~3 days
ago and lost its NDS connection. I closed |
|
|
3395
|
Tue Aug 10 22:40:55 2010 |
Koji | Summary | PEM | Accelerometer located on and below the PSL table | Result
of the accelerometer measurement
Introduction
We wanted to characterize |
|
|
3403
|
Wed Aug 11 16:56:00 2010 |
Koji | Summary | Environment | Covering of the IFO | Katharine, Sharmila, Gopal, Kiwamu,
Jenne, Aidan, Steve, and Koji
A guy from the carpenter shop has |
|
|
3423
|
Fri Aug 13 20:58:20 2010 |
Jenna | Summary | Electronics | Rubidium clock phase noise measurement | Here's an overview of the rubidium
measurement:
|
6x |
|
3472
|
Wed Aug 25 16:13:32 2010 |
steve | Summary | PEM | PSL optical table is back into operation at 32.75" level | The tile work was done yesterday after
noon.
This morning Mike Gerfen and me lowered |
|
|
3487
|
Mon Aug 30 13:57:25 2010 |
Koji | Summary | PSL | PSL table vibrational performance after the upgrade | Jenne and Koji
Last week Jenne has put the accelerometers
on and under the PSL table immediately after |
|
|
3488
|
Mon Aug 30 18:22:00 2010 |
rana | Summary | PSL | PSL Enclosure is UNSTABLE | The lifting and resetting of the
BLUE PSL enclosure has made it unstable somehow.
When I push on it a little it rocks |
|
|
3513
|
Thu Sep 2 14:11:17 2010 |
steve | Summary | PEM | south end crane balancing is completed | The crane I -beam now leveled at all degrees
of rotation. The lower hinge was moved
southward about 1/4 of an inch. |
|
|
3545
|
Wed Sep 8 11:56:24 2010 |
kiwamu | Summary | CDS | September CDS test plan | Joe and Kiwamu
We discussed about our CDS plan for
this September. The summary of the plan |
|
|
3567
|
Mon Sep 13 12:09:42 2010 |
kiwamu | Summary | General | elog restarted | Elog didn't respond, so I restarted
it with the script.
Before killing the process somehow |
|
|
3576
|
Wed Sep 15 14:34:57 2010 |
josephb | Summary | CDS | Plan for RFM switch over | Steps for RFM switch over:
1) Ensure the new frame builder code
is working properly: |
|
|
3579
|
Wed Sep 15 19:29:13 2010 |
valera | Summary | | PSL power budget |
Location
|
|
|
3596
|
Thu Sep 23 02:23:04 2010 |
koji,tara | Summary | Electronics | Testing new TTFSS | I tested the new table top
frequency stabilization system(TTFSS), |
|
|
3597
|
Thu Sep 23 02:45:30 2010 |
Koji | Summary | Computers | nodus gracefully rebooted | Zach> Nodus seemed to be working fine
again, and I was browsing the elog with no
|
|
|
3603
|
Thu Sep 23 23:24:43 2010 |
rana, johnny, tara | Summary | PSL | AM modulate AOM to measure RefCav Thermo-Optic coefficient | Big Johnny and I hacked a function
generator output into the cross-connect of
the 80 MHz VCO driver so that we could modulate |
|
|
3620
|
Wed Sep 29 12:08:28 2010 |
josephb, alex | Summary | CDS | Last burt save of old controls | This is being recorded for posterity so
we know where to look for the old controls
settings. |
|
|
3647
|
Tue Oct 5 11:42:20 2010 |
kiwamu | Summary | Green Locking | developing green locking plant | With a help from Joe, I made a diagram
of the simulated plant for green locking
in order to get better understanding and |
|
|
3655
|
Tue Oct 5 18:27:18 2010 |
Joonho Lee | Summary | Electronics | CCD cable's impedence | Today
I checked the CCD cables which is connected
to the VIDEOMUX. |
|
|
3657
|
Wed Oct 6 00:32:01 2010 |
rana | Summary | DAQ | NDS2 | This is the link to the NDS2 webpage:
https://www.lsc-group.phys.uwm.edu/daswg/wiki/NetworkDataServer2
We should install this so that we |
|
|
3660
|
Wed Oct 6 14:49:54 2010 |
rana | Summary | lore | Steve on the sea | |
|
|
3685
|
Sun Oct 10 18:09:02 2010 |
Koji | Summary | COC | Phase map interferometer calibration for the data on Oct 8th, 2010 | Summary:
Calibration
of the phase map interferometer was calculated
for the data on Oct 8th, 2010. |
|
|
3686
|
Sun Oct 10 18:28:25 2010 |
kiwamu | Summary | SUS | ITMX OSEM offsets | Because of the in-vac work on Oct. 4th
(see this
entry) , ITMX's OSEM offsets were |
|
|
3689
|
Mon Oct 11 16:09:10 2010 |
yuta | Summary | SUS | current OSEM outputs | Background:
The output range of the OSEM
is 0-2V. |
|
|
3694
|
Mon Oct 11 23:55:25 2010 |
Joonho Lee | Summary | Electronics | CCD cables for output signal | Today
I checked all the CCD cables which is connected
output channels of the VIDEOMUX. |
|
|
3738
|
Mon Oct 18 18:33:46 2010 |
Koji | Summary | COC | Summary of the main mirrors & their phasemap measurement | I have made a summary web page for the
40m upgrade optics.
https://nodus.ligo.caltech.edu:30889/40m_phasemap/ |
|
|
3739
|
Mon Oct 18 22:11:32 2010 |
Joonho Lee | Summary | Electronics | CCD cables for input signal | Today
I checked all the CCD cables which is connected
input channels of the VIDEOMUX. |
|
|
3749
|
Thu Oct 21 01:11:48 2010 |
rana | Summary | Computers | elog change and rossa tex | I deleted
a bunch of categories from the elogd.cfg |
|
|
3753
|
Thu Oct 21 13:05:19 2010 |
Koji | Summary | Computers | elog change and rossa tex | This is cool |
|
|
3765
|
Fri Oct 22 19:53:27 2010 |
yuta | Summary | CDS | conversion failure in digital filters | (Rana, Joe, Yuta)
We now understand that we never succeeded |
|
|
3770
|
Sat Oct 23 14:42:01 2010 |
yuta | Summary | CDS | damped MC suspensions | After replacing filters, MC suspensions
damped last night.
Further measurement next time. |
|
|
3771
|
Sun Oct 24 18:06:35 2010 |
kiwamu | Summary | Locking | setup for green beat | |
|
|
3774
|
Mon Oct 25 02:14:38 2010 |
Koji | Summary | Locking | setup for green beat | - What is the actual photocurrent for the
beam1 and beam2? We don't care how much power
do you have before the BS, but care how much |
|
|
3815
|
Thu Oct 28 23:17:15 2010 |
yuta | Summary | CDS | [EMERGENCY] accidentally deleted daqd | Rana showed me that if c1sus machine runs
c1mcs stuff(and c1x02 stuff) only, we can
use dataviewer without crashing fb. |
|
|
3816
|
Fri Oct 29 01:18:03 2010 |
Koji | Summary | SUS | PRM standoff glued | [Suresh Koji]
The standoff glued. The incandescent
lamp set for curing the epoxy. |
|
|
3821
|
Fri Oct 29 11:25:15 2010 |
josephb, yuta | Summary | CDS | [EMERGENCY] accidentally deleted daqd | Problem:
Missing daqd file, i.e. the framebuilder
executable. |
|