| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
10352
|
Fri Aug 8 14:27:18 2014 |
Akhil | Update | Computer Scripts / Programs | FOL Scripts | The scripts written for interfacing
the FC with R Pi, building EPICS database,
piping data into EPICS channels,PID loop |
|
|
10353
|
Fri Aug 8 14:42:41 2014 |
Akhil | Update | General | PID loop Design for beat note stabilization | The attached in a zip file are the
Simulink feedback loop models for the FOL
for both X and Y ends. The controller PID |
|
|
306
|
Sun Feb 10 20:47:01 2008 |
Alan | Summary | SUS | All watchdogs tripped | A moderate earthquake occurred at 11:12:06
PM (PST) on Friday, February 8, 2008.
The magnitude 5.1 event occurred 21 km (13 |
|
|
1058
|
Mon Oct 20 12:18:38 2008 |
Alan | Update | Computer Scripts / Programs | burtwb missing on Solaris but installed on linux64 | [quote]c1lsc stalled this evening, so I powercycled
it.
After that, I tried to lock arms to confirm |
|
|
1060
|
Mon Oct 20 16:18:00 2008 |
Alan | Configuration | Computers | /cvs/cds restored | [quote]I moved missing files in /cvs/cds restored
by Alan and Stuart to the original locations.
I confirmed autoburt runs, and dtt, which |
|
|
1215
|
Sun Jan 4 13:17:23 2009 |
Alan | Omnistructure | Computer Scripts / Programs | New 40mWebStatus | I have set up some code in /cvs/cds/caltech/scripts/webStatus
along with a cronjob on controls@nodus to
generate a webStatus every half hour, at |
|
|
1216
|
Mon Jan 5 11:21:05 2009 |
Alan | Omnistructure | Computer Scripts / Programs | New 40mWebStatus | [quote]
I guess we need some kind of "official" crontab
file for controls@nodus so that we know how/where |
|
|
1372
|
Mon Mar 9 10:59:05 2009 |
Alan | Omnistructure | Computers | ssh agent on fb40m restarted for backup | After the boot-fest, the nightly backup
to Powell-Booth failed, and an automatic
email got sent to me. I restarted the ssh |
|
|
1564
|
Fri May 8 10:05:40 2009 |
Alan | Omnistructure | Computers | Restarted backup since fb40m was rebooted | Restarted backup since fb40m was rebooted. |
|
|
1756
|
Thu Jul 16 09:49:52 2009 |
Alan | Update | Computers | fb40m |
|
|
|
1910
|
Sat Aug 15 10:36:02 2009 |
Alan | HowTo | Computers | nodus boot procedure | [quote]The restart procedures for the various
processes running on nodus are explained
here:
|
|
|
2445
|
Tue Dec 22 13:14:37 2009 |
Alan | Omnistructure | PEM | miracle in the 40m |
|
|
|
3337
|
Fri Jul 30 19:20:15 2010 |
Alastair | Configuration | General | Jacket |
|
|
|
3368
|
Thu Aug 5 16:18:37 2010 |
Alastair | Update | General | clocks still not locked fully - hut removed | The rubidium clocks are still not quite
locked together, though it is clear that
the beat frequency has dropped a lot since |
|
|
3433
|
Wed Aug 18 12:02:29 2010 |
Alastair | Configuration | Computers | elog had crashed again... | ...I restarted it. |
|
|
3441
|
Thu Aug 19 09:52:51 2010 |
Alastair | Update | Computers | Elog down | I restarted it using start-elog-nodus
and this worked out fine - even though I
did it from Pete's on my phone ;-) |
|
|
3442
|
Thu Aug 19 11:38:48 2010 |
Alastair | Update | Computers | ATF wiki | The ATF wiki page doesn't seem to be working
any more. Does anyone know where this
is held so we can try to get it back online? |
|
|
3443
|
Thu Aug 19 12:06:07 2010 |
Alastair | Update | Computers | ATF wiki |
|
|
|
3452
|
Fri Aug 20 20:36:05 2010 |
Alastair | Update | General | Elog | Elog was down, I restarted it. |
|
|
3461
|
Tue Aug 24 06:34:01 2010 |
Alastair | Update | General | Elog... | ...was down. Have restarted it. |
|
|
3475
|
Fri Aug 27 07:21:13 2010 |
Alastair | Update | General | elog... | was down. I restarted the version
in the 2.7.5 folder. It went down again
almost immediately but stayed up after the |
|
|
4563
|
Mon Apr 25 11:23:41 2011 |
Alastair | Bureaucracy | Computers | wiki? | 40m wiki seems to have been down for quite
a while now but I can't see any info in the
elog about it. Is there some ongoing |
|
|
4566
|
Mon Apr 25 12:55:35 2011 |
Alastair | Bureaucracy | Computers | wiki? |
|
|
|
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 |
|
|
8382
|
Mon Apr 1 16:16:16 2013 |
Albert | Update | optical tables | Optical Table Toolboxes Update | A heavy duty plastic box is the likeliest
candidate for the optical table toolbox.
It measures 5 9/16 in. x 11 5/8 in. x 4 5/8 |
|
|
8384
|
Mon Apr 1 16:35:42 2013 |
Albert | Update | optical tables | Optical Table Toolboxes Update |
|
|
|
8408
|
Wed Apr 3 19:01:06 2013 |
Albert | Update | optical tables | Optical Table Toolboxes Update |
|
|
|
8445
|
Thu Apr 11 16:29:23 2013 |
Albert | Update | optical tables | Optical Table Toolboxes Update |
|
|
|
8457
|
Mon Apr 15 17:44:28 2013 |
Albert | Update | optical tables | Optical Table Toolboxes Update | I decided to go see what the electrical
tape looks like on the other tools.
These are the tools I felt were necessary |
|
|
8502
|
Mon Apr 29 08:17:40 2013 |
Albert | Update | optical tables | Optical Table Toolboxes Update |
|
|
|
8505
|
Mon Apr 29 15:53:49 2013 |
Albert | Update | optical tables | Optical Table Boxes |
|
7x |
|
8342
|
Mon Mar 25 18:58:09 2013 |
Albert Yang | Update | optical tables | Optical Table Toolboxes | For those of you who spend annoying amounts
of time looking for tools, fear no more.
Toolboxes for each optical table are coming! |
|
|
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 |
|
|
643
|
Mon Jul 7 19:15:38 2008 |
Alberto | Update | General | Optics alignement on the ABS length experiment | Today I started setting up the PLL instruments
to lock the frequency of the NPRO beam to
the IFO beam. with no need of a new alignment |
|
|
656
|
Thu Jul 10 19:12:07 2008 |
Alberto | Update | General | abs cavity length measurement experiment | Yesterday morning, when I started, I found
the IFO beam on a different position and
the beam spot at the AS port looked very |
|