| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
4927
|
Fri Jul 1 07:01:23 2011 |
Suresh | Update | IOO | WFS2 resonances and installation | This was the WFS whose photodiode was repaced
as the old one was found to be damaged.
I retuned the resonances and the |
|
|
4926
|
Thu Jun 30 21:55:16 2011 |
rana | Configuration | DAQ | NDS2 conf change | As I recently had trouble getting all of
the SUS SENSOR channels at once from NDS2,
I asked J.Z. for help. He found that the |
|
|
4925
|
Thu Jun 30 21:00:20 2011 |
kiwamu | Update | ABSL | fine alignment done | (Just a quick report)
The
fine alignment of the ABSL laser injection |
|
|
4924
|
Thu Jun 30 17:24:46 2011 |
steve | Update | SAFETY | safety interlocks | Lightwave M126-1064-700 lasers sn415
at east end of the Y arm and sn201
at the AP table are connected individually |
|
|
4923
|
Thu Jun 30 14:11:55 2011 |
kiwamu | Update | ABSL | a photo of ABSL setup on the AP table | Here
is a picture of the latest ABSL setup at
the east part of the AP table. |
|
|
4922
|
Thu Jun 30 11:40:21 2011 |
Jamie | Update | IOO | Re: misc. MC work |
|
|
|
4921
|
Thu Jun 30 11:36:54 2011 |
Jamie | Update | SUS | Re: ITMX whitening, ETMX left free swinging |
|
|
|
4920
|
Thu Jun 30 08:18:08 2011 |
Suresh | Update | IOO | The resonances and notches on WFS1 have been tuned. | As noted before the resonances had
to be tuned to the 29.5 MHz ( or rather 29.485
MHz to match with the Wenzel) and notches |
|
|
4919
|
Thu Jun 30 07:42:48 2011 |
Suresh | Update | IOO | AP Table Power levels | I measured the power in various beams on
the AP table to check and see if any beam
is having too much power. |
|
|
4918
|
Thu Jun 30 06:54:07 2011 |
josephb | Update | CDS | Modified the automated scripts for producing model webviews | Dave Barker pointed out last week that
the webview of our simulink model files,
generated from the installed models (i.e. |
|
|
4917
|
Thu Jun 30 03:26:40 2011 |
kiwamu | Update | ABSL | status update | Status
update of the absolute length (ABSL) measurement: |
|
|
4916
|
Thu Jun 30 01:50:02 2011 |
Jenne | Update | SUS | ITMX whitening, ETMX left free swinging | While closing up the whitening shop for
the night, I noticed that the ITMX whitening
state (Whitening "On") is opposite |
|
|
4915
|
Thu Jun 30 00:58:19 2011 |
Koji | Summary | LSC | LSC whitening filter test | [Jenne, Koji]
We have tested the LSC whitening
filters. In summary, they show the transfer |
|
|
4914
|
Wed Jun 29 22:50:02 2011 |
rana | Update | IOO | misc. MC work | Today
I wanted to investigate the MC Length path |
|
|
4913
|
Wed Jun 29 22:35:06 2011 |
Nicole | Summary | SUS | Completed Quad photodiode Box Circuit Diagrams | I have finished
drawing the circ |
|
|
4912
|
Wed Jun 29 14:43:12 2011 |
Koji | Update | LSC | LSC model updated | LSC model has been updated and running,
- Now the power and signal recycling
cavity lengths are named "PRCL" |
|
|
4911
|
Wed Jun 29 13:56:42 2011 |
kiwamu | Update | General | minutes of 40m meeting | |
|
|
4910
|
Wed Jun 29 12:20:53 2011 |
kiwamu | Update | LSC | sensing matrix measurement in PRMI configuration | Of course
I made a mistake in my calculation of the |
|
|
4909
|
Wed Jun 29 11:45:54 2011 |
steve | Update | General | where are we storing PDs ? | Photo diodes stored in the east arm cabinet
E4: ALL PDs meet here, fast
or slow...... |
|
|
4908
|
Wed Jun 29 11:25:07 2011 |
Nicole | Summary | SUS | Weekly Summary of Work | Update of Week
3 Work: |
|
|
4907
|
Wed Jun 29 11:13:13 2011 |
Jenne | Update | SUS | issues in the current quad maglev system |
|
|
|
4906
|
Wed Jun 29 01:23:21 2011 |
haixing | Update | SUS | issues in the current quad maglev system | Here I show several issues that we have
encountered in the quad magnetic levitation
system. It would be great if you can give |
|
|
4905
|
Wed Jun 29 00:35:36 2011 |
Koji | Update | LSC | new LSC overview screen 80% done | New
LSC screen is 80% completed.
It is now accessible from the LSC |
|
|
4904
|
Tue Jun 28 22:36:04 2011 |
Jamie | Update | SUS | Checking binary switching of SUS whitening filter | I have been checking the binary output
switching for the SUS whitening filters.
It appears that the whitening switching is |
|
|
4903
|
Tue Jun 28 22:07:46 2011 |
Jamie | HowTo | SAFETY | Eurocrate extender card fried (ie. Jamie did a very bad thing) | IMPORTANT ELECTRONICS SAFETY
LESSON TO FOLLOW
Yesterday, |
|
|
4902
|
Tue Jun 28 21:05:05 2011 |
Jamie | Update | SUS | SUS control model updated | I have updated the sus_single_control model,
adjusting/cleaning up/simplifying the LSC/POS
input signals, and routing new signals to |
|
|
4901
|
Tue Jun 28 16:52:37 2011 |
Sonali | Update | Green Locking | Routing of fibre to PSL complete. | 1. Suresh and I completed the alignment
of the fibre and the three mirrors on the
ETMY table. |
|
|
4900
|
Tue Jun 28 15:23:21 2011 |
steve | Update | Electronics | Coilcraft RF-design kits are restocked | Our design kits are full again. They are
waiting for a new brilliant PD design. |
|
|
4899
|
Tue Jun 28 15:20:08 2011 |
kiwamu | Update | LSC | sensing matrix measurement in PRMI configuration | Here is
the result of the measurement of the sensing |
|
|
4898
|
Tue Jun 28 14:21:41 2011 |
kiwamu | Update | IOO | something wrong ? : Power incident on REFL11 and REFL55 | The measured
change in the REFL DC power with and without |
|
|
4897
|
Tue Jun 28 11:25:56 2011 |
Alastair | Bureaucracy | Computers | restarted elog | The manual instructions on the 40m wiki
for restarting wouldn't work. I killed
the process okay, but then I got an error |
|
|
4896
|
Tue Jun 28 10:11:13 2011 |
steve | Update | IOO | Power incident on REFL11 and REFL55 |
|
|
|
4895
|
Tue Jun 28 09:50:03 2011 |
Suresh | Update | IOO | WFS2 RF response | The WFS2 Transimpedance has been
measured to determine if it also suffers
from the same 200MHz oscillations seen in |
|
|
4894
|
Tue Jun 28 07:46:54 2011 |
Suresh | Update | IOO | Power incident on REFL11 and REFL55 | I measured the power incident on REFL11
and REFL55. Steve was concerned that
it is too high. If we consider this |
|
|
4893
|
Tue Jun 28 02:11:47 2011 |
Jenne | Update | Locking | Latest MICH noise budget | I have measured / calculated the latest
MICH noise budget. It doesn't really
look all that stellar. |
|
|
4892
|
Tue Jun 28 01:18:53 2011 |
rana | HowTo | SUS | free swing all optics | Chris Wipf tells me that the EPICS Mutex
Jumbo Mumbo can be overcome by upgrading
our EPICS. We should get one of Jamie's assistants |
|
|
4891
|
Mon Jun 27 16:57:06 2011 |
steve | Update | Photos | Haixing is back | He has moved the levitation stuff for his
surf student to Jan's lab in W-Bridge. |
|
|
4890
|
Mon Jun 27 10:04:29 2011 |
kiwamu | Summary | General | Weekly report | Summary
for the week ending June 26th.
(Number |
|
|
4889
|
Mon Jun 27 00:23:11 2011 |
rana | Update | CDS | ETMX SIDE problem | The slow readback of the ETMX side seems
to also have something flaky and bi-stable.
This is not an issue for damping, but it |
|
|
4888
|
Sun Jun 26 22:38:20 2011 |
rana | Update | CDS | MC1 LR dead for > 1 month; now revived temporarily | Since the MC1 LRSEN channel is
not wasn't working, my input matrix
diagonalization hasn't worked today |
|
|
4887
|
Sun Jun 26 18:35:16 2011 |
rana | HowTo | SUS | free swing all optics | I used scripts/SUS/freeswing-all.csh to
give the optics a kick and then turn off
their watchdogs and collect the free swinging |
|
|
4886
|
Sun Jun 26 16:17:22 2011 |
rana | Update | CDS | diagonalization of MC input matrix | I have updated the scripts/SUS/peakFit/ |
|
|
4885
|
Sun Jun 26 16:02:12 2011 |
kiwamu | Update | IOO | Friday MC activity | [Rana / Kiwamu]
Last Friday we did several
things for MC : |
|
|
4884
|
Sat Jun 25 06:09:38 2011 |
kiwamu | Update | LSC | Friday locking | I
was able to measure the sensing matrix in
the PRMI configuration. |
|
|
4883
|
Sat Jun 25 04:40:43 2011 |
Suresh | Update | ASC | WFS1 Transimpedance measurement | WFS1 Transimpedance
The
attached plots show the location of the ~29.5
MHz pole and the 59 MHz notch for each quadrant |
|
|
4882
|
Sat Jun 25 00:00:28 2011 |
Sonali | Update | Green Locking | Fibre Coupling. | What I did today.
1. I tried to align the IR input
beam by aligning the two mirrors, to couple |
|
|
4881
|
Fri Jun 24 22:35:23 2011 |
rana | Configuration | CDS | dataviewer broken on pianosa | When I try to get minute trend, it says
"word too long". |
|
|
4880
|
Fri Jun 24 21:21:46 2011 |
Suresh | Update | PSL | Placed labels on the zig-zag mirrors on PSL table | I put labels on the pair of beam steering
mirrors which are at the output end of the
PSL table. I had changed one of these |
|
|
4879
|
Fri Jun 24 17:04:25 2011 |
Nicole | Update | SUS | Basic Laser Safety Training; Moved TT Mirror; Horizontal Displacement Mech Plan | Today Ishwita,
Sonali, and I completed basic laser safety |
|
|
4878
|
Fri Jun 24 10:38:01 2011 |
steve | Update | Cameras | ITMY camera gets fixed | ITMY gets new Tamron M118FM50 that has
improved close focusing. It is a small fixed
focal length camera so the video tube cover |
|