ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
4837
|
Mon Jun 20 09:28:19 2011 |
Jamie | Update | CDS | Shutting down low-voltage DC power in 1X1/1X2 racks | In order to install the BO module in 1X2,
I need to shut down all DC power to the 1X1
and 1X2 racks. |
|
4838
|
Mon Jun 20 10:45:43 2011 |
Jamie | Update | CDS | Power restored to 1X1/1X2 racks. IOO binary output module installed. | All power has been restored to the 1X1
and 1X2 racks. The modecleaner is locked
again. |
|
4839
|
Mon Jun 20 11:04:03 2011 |
Nicole | Update | SUS | Work Plan for Week 2 | Here is my work plan for this week:
Current Week Plan (Week 2) |
|
4840
|
Mon Jun 20 11:38:49 2011 |
kiwamu | Update | ABSL | I-P curve of LightWave M126-1064-700 | The
I-P curve of the LightWave NPRO (M126-1064-700),
which was taken out from the MOPA box, was |
|
4841
|
Mon Jun 20 13:48:25 2011 |
Koji | Update | ABSL | I-P curve of LightWave M126-1064-700 | Hmm. Was the current within the operating
range? (i.e. Is it a 700mW laser or a 1W
one?) |
|
4842
|
Mon Jun 20 16:44:02 2011 |
steve | Update | ABSL | I-P curve of LightWave M126-1064-700 |
Put the serial numbers into
the elog. So we can identify the laser and |
|
4843
|
Mon Jun 20 17:58:00 2011 |
rana | Update | CDS | Gateway program killed | There was a rogue, undocumented, gateway
process running on NODUS since ~4 PM. This
guy was broadcasting channels back into the |
|
4844
|
Mon Jun 20 18:12:20 2011 |
Nicole | Update | SUS | Small Table Cleaned and Levelled | |
 |
4845
|
Mon Jun 20 18:36:49 2011 |
Suresh | Update | LSC | REFL55 PD update | [Suresh, Koji]
I used a matlab code
written by Koji to analyse the transimpedance |
|
4846
|
Tue Jun 21 00:38:21 2011 |
Sonali | Update | Green Locking | repositioned "QPDY_PD" | 1.The aim is the laser frequency stabilisation
of PSL and AUX.
2.As a first step we want to couple |
 |
4847
|
Tue Jun 21 16:11:13 2011 |
steve | Update | SAFETY | surf safety training | 40m surfs: Nicole Ing, Iswita Saikia
and Sonali Mohapatra received 40m specific
safety training today. |
|
4848
|
Tue Jun 21 19:10:29 2011 |
Suresh | Update | Environment | ETMY end table | [Suresh, Sonali]
There were small pieces of glass,
remnants |
|
4849
|
Tue Jun 21 19:54:33 2011 |
Suresh | Update | Green Locking | LightWave NPRO power supply shifted to ETMY end table | The Lightwave NPRO power supply which
is being shared between the AS table and
the ETMY table has been shifted back to the |
|
4850
|
Tue Jun 21 20:35:50 2011 |
kiwamu | Update | LSC | a script to measure sensing matrix | Last
night I was making a script which will measure
the sensing matrix using the realtime LOCKIN |
|
4851
|
Tue Jun 21 23:29:41 2011 |
kiwamu | Update | LSC | sensing matrix measurement | I
am now measuring the sensing matrix in the
DRMI configuration. |
|
4852
|
Wed Jun 22 01:59:43 2011 |
Sonali | Update | Green Locking | fibre-coupling of the IR beam | What
I did today.
1. Collimation of a beam. |
 |
4853
|
Wed Jun 22 12:24:44 2011 |
Nicole | Summary | SUS | Midweek 2 Work Summary | I
have made my transfer function model |
|
4854
|
Wed Jun 22 12:29:57 2011 |
Ishwita | Summary | Adaptive Filtering | Weekly summary | I started on the 16th with a very intense
lab tour & was fed with a large amount
of data (I can't guarantee that I remember |
|
4855
|
Wed Jun 22 15:24:10 2011 |
kiwamu | Update | ABSL | got a laser controller for LightWave | Peter
King came over to the 40m with a laser controller
and gave it to us. |
 |
4856
|
Wed Jun 22 17:35:35 2011 |
Ishwita | Update | General | Hot air station | This is the new hot air station for the
40m lab.........
|
 |
4857
|
Wed Jun 22 17:42:03 2011 |
kiwamu | Update | LSC | sensing matrix measurement | The sensing
matrix was measured in the DRMI configuration |
|
4858
|
Wed Jun 22 18:41:23 2011 |
Nicole | Summary | SUS | BROKEN bread board circuit box and L9337 LED Current Versus Voltage Curve | NOTE: The potentiometers on the |
|
4859
|
Wed Jun 22 18:50:45 2011 |
Jamie | Summary | General | July 2011 vent plan | Kiwamu and I have started to put together
a vent plan on the 40m wiki:
http://blue.ligo-wa.caltech.edu:8000/40m/vent/201107 |
|
4860
|
Wed Jun 22 18:51:47 2011 |
Suresh | Update | IOO | WFS2 RF response | I have shifted the Jenne laser back to
the small table where we do RF PD characterisation
(RFPD table). I found several 25pin |
|
4861
|
Wed Jun 22 21:36:41 2011 |
rana | Summary | General | July 2011 vent plan | I
put a paper Peet's bag with half of the Mini-Moos
into George. |
|
4862
|
Thu Jun 23 02:12:12 2011 |
Sonali | Update | Green Locking | work schedule. | June 22-June 24:
1.Coupling
light into fibre at the ETMY. |
|
4863
|
Thu Jun 23 05:22:51 2011 |
kiwamu | Update | LSC | PRMI locking : not stable enough | I was trying |
|
4864
|
Thu Jun 23 09:46:16 2011 |
rana | Update | LSC | PRMI locking : not stable enough | All the suspensions are bad until you fix
them. But, ... there |
|
4865
|
Thu Jun 23 10:17:49 2011 |
steve | Update | PSL | AP table is open to PSL again | Access to the north side of the PSL table
is blocked by the 8" beam
guard. This opens the beam pathways between |
 |
4866
|
Thu Jun 23 10:35:12 2011 |
steve | Update | Computers | old computers leaving the lab | Rod Luna picked up these computers for
Larry Wallace yesterday: Dell Inspiron 530,
Dell Dimension 4600 and SunBlade 1000 |
  |
4867
|
Thu Jun 23 21:34:21 2011 |
kiwamu | Update | CDS | no foton on the CentOS machines | For
some reasons foton's deafault sample rate
is NOT correct when it runs on the CentOS |
|
4868
|
Thu Jun 23 21:35:46 2011 |
Jamie, Rana, Kiwamu | Update | SUS | Fix calibration for sus sensors | We have fixed the counts-to-micron (cts2um)
calibration for the suspension sensor filters.
Each suspension sensor filter bank (e.g. |
|
4869
|
Thu Jun 23 22:00:22 2011 |
Jamie | Update | SUS | burt snapshot | I recorded a burt snapshot of these settings:
/opt/rtcds/caltech/c1/burt/autoburt/snapshots/2011/Jun/23/21:40 |
|
4870
|
Thu Jun 23 22:39:34 2011 |
Jenne | Update | PSL | PMC found unlocked | I found the PMC unlocked. Koji noticed
that the FSS Slow Actuator Adjust was railed
at the positive end of the slider. |
|
4871
|
Thu Jun 23 22:53:02 2011 |
kiwamu | Update | CDS | ran activateDQ.py | I found some DQ channels (e.g. SENSOE_UL
and etc.) for C1SUS haven't been activated,
so I ran activateDQ.py. |
|
4872
|
Thu Jun 23 22:59:45 2011 |
kiwamu | Update | ABSL | I-P curve of LWE | The |
|
4873
|
Thu Jun 23 23:54:29 2011 |
Koji | Omnistructure | Environment | We are saved | Sonali, Ishwita, and another anonymous
SURF saved the long-lasted water shortage
of the 40m |
|
4874
|
Fri Jun 24 00:13:24 2011 |
kiwamu | Update | ABSL | beam profile measurement of LWE | The
beam profile of the LWE (LightWave Electronics)
NPRO was measured. |
|
4875
|
Fri Jun 24 01:05:32 2011 |
Nicole | Summary | SUS | Transfer Function Model Analysis Summary and New Posted LED V vs. I Curve | I have updated |
|
4876
|
Fri Jun 24 07:40:23 2011 |
steve | Update | SUS | PRM damping restored | The PRM sus damping restored. C1:SUS-PRM_SDPD_VAR
is still 20-30mV and going up. Side
gain turned on. This pulled it down |
|
4877
|
Fri Jun 24 07:49:23 2011 |
steve | Update | ABSL | I-P curve of LWE with serial numbers |
|
|
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 |
|
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 |
 |
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 |
|
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". |
|
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 |
 |
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 |
  |
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. |
|
4885
|
Sun Jun 26 16:02:12 2011 |
kiwamu | Update | IOO | Friday MC activity | [Rana / Kiwamu]
Last Friday we did several
things for MC : |
|
4886
|
Sun Jun 26 16:17:22 2011 |
rana | Update | CDS | diagonalization of MC input matrix | I have updated the scripts/SUS/peakFit/ |
|