| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
8829
|
Thu Jul 11 12:00:50 2013 |
Alex | Update | | Planned rack additions | [Eric, Alex]
We mounted our Laser Module and Laser
Power Source in rack 1y1. We plan to add |
|
|
8849
|
Mon Jul 15 16:44:46 2013 |
Alex | Update | OMC | OMC North Safety | [Eric Alex]
We are planning on testing our laser
module soon, so we have added aluminum foil |
|
|
8850
|
Mon Jul 15 16:51:37 2013 |
Alex | Configuration | | Planned AS Table addition | [Eric, Alex]
We are planning to add our reference
PD to the southern third of the AS Table |
|
|
17422
|
Wed Jan 25 16:58:19 2023 |
Alex | Update | Cameras | Recording CCD cameras | Thus far, the software needed for the Magewell
video encoder has been successfully installed
on Donatella. OBS studio has also been installed |
|
|
17441
|
Wed Feb 1 16:53:55 2023 |
Alex | Summary | General | Shadowing Anchal on developing a change for the c1ioo CDS computer | During my time shadowing Anchal, we discussed
the need for digital control systems on the
suspension systems for the 40 meter optics. |
|
|
17459
|
Thu Feb 9 11:07:38 2023 |
Alex | Update | CDS | Adding callibration filters to c1sus |
Today I updated the ETMY suspension |
|
|
17471
|
Thu Feb 16 23:54:11 2023 |
Alex | Update | Daily Progress | Yaw and Pitch Calibration constants for ETMY op-lev | This work was done by Ancal and I.
To recallibrate the op-lev for
ETMY, a python script was first written to |
|
|
17477
|
Wed Feb 22 23:40:48 2023 |
Alex | Update | Calibration | Adding calibration constants for sus matrix and filter control buttons to the sus control screen | The callibration constants were updated
for the oplev pitch and yaw. The values were
changed as denoted in 17471 were: |
|
|
17481
|
Fri Feb 24 13:29:16 2023 |
Alex | Summary | IMC | Updated angular actuation calibration for IMC mirrors | Also reply to: 40m/17352
Tomohiro, Anchal, and I
did the following to make updates to the |
|
|
17484
|
Sun Feb 26 00:13:55 2023 |
Alex | Configuration | ASC | IOO MC PIT/YAW gain change | The following changes were made to the
WFS MASTER IMC Pitch and Yaw gains:
Gain values for the pitch and yaw |
|
|
17486
|
Wed Mar 1 17:13:38 2023 |
Alex | Update | IMC | Transfer Function for IMC mirrors using sine sweep | The following work has been done by Tomohiro,
Anchal and I:
To acquire the transfer functions |
|
|
17500
|
Thu Mar 9 10:29:15 2023 |
Alex | Update | IMC | Step response test on MC1, MC2, and MC3 YAW | Tomohiro, Anchal and I completed the following
processs for acquiring a new Output Yaw matrix
for the "C1IOO_WFS_OUTMATRIX". |
|
|
17501
|
Thu Mar 9 14:22:24 2023 |
Alex | Update | Computer Scripts / Programs | Update to toggleWFSoffsets.py for step response testing | I have pushed changes made to the toggleWFSoffsets.py
script to the git.
This file may be found in: "/opt/rtcds/caltech/c1/Git/40m/scripts/MC/WFS/" |
|
|
17505
|
Mon Mar 13 15:37:13 2023 |
Alex | Update | IMC | Step Response of newly diagonalizing YAW output matrix | From the work that Anchal has completed
for diagnolizing the YAW ouput matrix, a
step response was taken of this new matrix |
|
|
17507
|
Tue Mar 14 11:34:05 2023 |
Alex | HowTo | Computer Scripts / Programs | Summary Pages Restart | If the summary pages go down, it could
be from a break in the script or some small
error. The first remedy for fixing this can |
|
|
17515
|
Tue Mar 21 18:41:12 2023 |
Alex | Update | IMC | Dither Lines set on MC1, MC2, MC3 for the night | With Anchal's help, I have setup dither
lines for Rana on MC1,2,3 that will be running
overnight. The oscilations were set on MC1,2,3, |
|
|
17516
|
Wed Mar 22 15:51:44 2023 |
Alex | Update | IMC | Beam offset calculation for MC1,2,3 from dither results | I have organized the resulting data from
running dither lines on MC1,2,3. The data
has been collected from diaggui as shown |
|
|
1947
|
Tue Aug 25 23:16:09 2009 |
Alberto, rana | Configuration | Computers | elog moved in to the cvs path | In nodus, I moved the elog from /export
to /cvs/cds/caltech. So now it is in the
cvs path instead of a local directory on |
|
|
2887
|
Thu May 6 17:47:01 2010 |
Alberto, kiwamu, Jc The 3rd (aka The Drigg) | Omnistructure | TMI | Minutes from the Lab Organization Commitee meeting | Today we met and we finally come up with
a lot of cool, clever, brilliant, outstanding
ideas to organize the lab. |
|
|
3049
|
Fri Jun 4 11:32:51 2010 |
Alberto, kiwamu | Update | IOO | MC MMT1 Mirror Tests | [Alberto, Kiwamu]
Last Wednesday,
we measured the beam profile after the MC
mode matching telescope n.1 (MMT1). We found |
|
|
1193
|
Thu Dec 18 19:15:54 2008 |
Alberto, Yoichi | Configuration | SUS | Mode Cleaner Cavity Alignment | [quote]This morning I found the MC locked
to the 10 mode. When I locked it on the 00
mode, it was unstable and eventually it always |
|
|
1195
|
Fri Dec 19 11:29:16 2008 |
Alberto, Yoichi | Configuration | MZ | MZ Trans PD | Lately, it seems that the matching of the
input beam to the Mode Cleaner has changed.
Also, it is drifting such that it has become |
|
|
2477
|
Tue Jan 5 10:26:32 2010 |
Alberto, Steve | Omnistructure | Environment | Added new wall cable-racks | we hung two new WALL cable racks.
One is on the pillar next to the Sp table,
the other is next to the PSL computer rack. |
|
|
2106
|
Fri Oct 16 16:44:39 2009 |
Alberto, Sanjit | Update | Computers | elog restarted | This afternoon the elog crashed. We just
restarted it. |
|
|
1162
|
Tue Nov 25 18:38:03 2008 |
Alberto, Rob | Update | PSL | MC Periscope Alignment | This morning when I came in I found the MC
cleaner unlocked and the autolocker script
could not lock it. The reflected beam was |
|
|
1166
|
Tue Dec 2 17:56:56 2008 |
Alberto, Rana | Configuration | PSL | MC Alignment | In the attempt to maximize the Mode Cleaner
transmission and minimize the reflection
from the steering mirrors of the MC periscope, |
|
|
1883
|
Mon Aug 10 20:49:13 2009 |
Alberto, Rana | Update | PSL | PMC Mode Matching Lenses Tuning | Rana, Alberto
This afternoon we tried to improve
the mode matching of the beam to the PMC. |
|
|
2468
|
Wed Dec 30 18:01:03 2009 |
Alberto, Rana | Update | General | All watchdogs tripped this morning |
|
|
|
3029
|
Wed Jun 2 01:47:28 2010 |
Alberto, Kiwamu | Update | IOO | mode measurement of new input optics | The mode
profile of the new input optics was measured. |
|
|
3046
|
Thu Jun 3 14:40:28 2010 |
Alberto, Kiwamu | Update | IOO | mode measurement of new input optics |
|
|
|
1261
|
Fri Jan 30 17:30:31 2009 |
Alberto, Josephb | Configuration | Computers | New computer Ottavia set up | Alberto, Joseph,
Today we installed the computer that some |
|
|
2490
|
Fri Jan 8 20:13:49 2010 |
Alberto, JoB | Configuration | Computers | The 40m Kaiser Permanent Reboot Marathon | This morning after Alex and Jo's tinkering
with Megatron the RFM network crashed and
it brought down also some computers. The |
|
|
2971
|
Fri May 21 16:41:38 2010 |
Alberto, Jo | Update | Computers | It's a boy! | Today the new Dell computer for the GSCS
(General SURF Computing Side) arrived.
We put it together and hooked it |
|
|
2520
|
Mon Jan 18 09:44:36 2010 |
Alberto, Bob | Omnistructure | Environment | No rain water infiltrations so far | It has rained continuously for the last
24 hours. Bob walked through the lab looking
for possible water infiltrations. The floor |
|
|
131
|
Wed Nov 28 16:18:15 2007 |
Alberto | Metaphysics | Environment | so clean you can eat on it | I tidied up the desks in the lab, brought
the Spectrum Analyzers back to the Salumeria
(you don't want to know about that), sorted |
|
|
142
|
Thu Nov 29 18:10:13 2007 |
Alberto | HowTo | Computer Scripts / Programs | GPIB Scripts | I've spent a lot of time trying to configurate
the GPIB-USB interface for the HP4195. After
installing 1) the Agilent libraries, 2) the |
|
|
246
|
Thu Jan 17 18:22:14 2008 |
Alberto | Update | Electronics | RF Monitor Band-pass Filter | After we finalized the schematic for the RF
monitor board based on buffered LC resonators,
on Richard Abbott's suggestion to avoid the |
|
|
248
|
Fri Jan 18 11:53:50 2008 |
Alberto | Update | Electronics | RF Monitor Band-pass Filter | The response is asymmetric and on the left
side of the peak, we have at least 33dB within
33Mhz, which is enough for all the frequencies. |
|
|
268
|
Fri Jan 25 15:53:59 2008 |
Alberto | Update | Electronics | 40 dB from the 3rd order Chebyschev | I managed to tune the 7 knobs in the 3rd order
Chebyshev bandpass filter obtaining the tranfer
function attached to this entry. We have |
|
|
285
|
Wed Jan 30 11:49:30 2008 |
Alberto | Summary | Electronics | RF monitor's filters final schematics and transfer functions | These are the final schematics for the 6th
order Chebyshev filters of the RF monitor
board. I'm also attaching the TF as I measured. |
8x |
|
314
|
Wed Feb 13 11:41:00 2008 |
Alberto | Update | Electronics | Some characterization of the RF Monitor Box (StocMon) | I'm attaching a table with some measurements
and the power spectrum from the pd to help
evaluate the numbers.
|
|
|
321
|
Mon Feb 18 12:04:39 2008 |
Alberto | Update | Electronics | RF Monitor (StocMon) | I put the amplifiers next to the monitor on
the PSL table, layed the power and the RF
SMA cables out to the rack. I'm powering |
|
|
331
|
Fri Feb 22 08:29:07 2008 |
Alberto | Update | Electronics | RF Monitor (StocMon) | [quote]I put the amplifiers next to the monitor
on the PSL table, layed the power and the
RF SMA cables out to the rack. I'm powering |
|
|
332
|
Fri Feb 22 08:33:18 2008 |
Alberto | Update | Electronics | RF Monitor (StocMon) | [quote]I put the amplifiers next to the monitor
on the PSL table, layed the power and the
RF SMA cables out to the rack. I'm powering |
|
|
545
|
Thu Jun 19 15:52:06 2008 |
Alberto | Configuration | Computers | Measure of the current absorbed by the new Megatron Computer | Together with Rich Abbot, sam Abbot and I
measured the current absorbed by the new
Megatron computer that we installed yesterday |
|
|
555
|
Mon Jun 23 21:51:19 2008 |
Alberto | Update | General | Arm Cavity Length Measurement | We measured the arm cavity lengths sweeping
the ETM mirror position and looking at the
reflected demodulated output. We excited |
|
|
621
|
Wed Jul 2 06:46:05 2008 |
Alberto | Configuration | General | NPRO on to warm up | This morning I turned on the NPRO on the AP
table so that it can warm up for a few hours
before I start using it today.
|
|
|
627
|
Wed Jul 2 19:15:52 2008 |
Alberto | Update | General | Status of the alignment of the NPRO beam for the Absolute Length Measurement | Today I've tried to bring the frequency of
the NPRO laser close enough to that of the
IFO beam so that the beat between the two |
|
|
634
|
Thu Jul 3 18:48:09 2008 |
Alberto | Update | General | Beats of the two lasers in the absolute length measurement observed | I adjusted the alignment of the flipper mirror
as suggested by Koji making the two beam
spots match. I also aligned all the IFO mirrors |
|
|
637
|
Mon Jul 7 11:22:02 2008 |
Alberto | Update | General | Beats of the two lasers in the absolute length measurement observed | I didn't post a screenshot from the RF SA
because I had troubles with the interface
with the computer (unfortunately the network |
|