| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
5525
|
Thu Sep 22 22:55:01 2011 |
Anamaria | Update | LSC | POX channel = POY PD connected + Bad Rack | Keiko, Anamaria
We decided we needed a DC channel
to sense the gain in the PRC, so we set to |
|
|
5545
|
Mon Sep 26 15:15:45 2011 |
Anamaria | Update | LSC | Realignment of REFL / Some 3f PRMI locking / Recycling Gain | A few comments on REFL table alignment
and REFL165.
Last time we realigned the table |
|
|
7146
|
Fri Aug 10 17:17:41 2012 |
Alex Masha Den | Update | PEM | classify seismic c code | Den and I installed a module in the c1pem
model which has a feedforward neural network
to classify seismic disturbance (10 means |
|
|
2075
|
Fri Oct 9 14:23:53 2009 |
Alex Ivanov | Configuration | DAQ | tpchn mystery | "Yes. This master file is used."
|
|
|
4779
|
Thu Jun 2 10:19:37 2011 |
Alex Ivanov | Summary | DAQ | installed new daqd (frame builder) program on fb (target/fb/daqd) | I hope that new daqd code will fix the
problem with non-aligned at 16 seconds frame
file GPS times. |
|
|
6094
|
Fri Dec 9 14:33:16 2011 |
Alex Ivanov | Update | Adaptive Filtering | C1OAF |
|
|
|
8859
|
Tue Jul 16 17:02:41 2013 |
Alex Cole | Configuration | Electronics | AS Table Additions | [Eric, Alex]
We added our reference photodetector
(Newport 1611, REF DET) to the southern edge |
|
|
8862
|
Wed Jul 17 11:13:36 2013 |
Alex Cole | Configuration | Electronics | AS Table Additions | [Eric, Alex]
For the RFPD frequency response project,
we routed the fiber that will connect our |
|
|
8863
|
Wed Jul 17 16:15:42 2013 |
Alex Cole | Configuration | Electronics | AS Table Additions | [Eric, Alex]
We decided that the POY Table would
be a better home for our REF DET (Newport |
|
|
8870
|
Thu Jul 18 15:34:15 2013 |
Alex Cole | Update | Electronics | PD Frequency Response Update | [Eric, Alex]
Our RF Switch arrived today, and
we mounted it in rack 1Y1 (1st attachment). |
|
|
8940
|
Tue Jul 30 16:21:46 2013 |
Alex Cole | Update | Electronics | Photodetector Input Modulation | [Eric, Alex]
We successfully used our system to
modulate the input to a single photodetector. |
|
|
8947
|
Wed Jul 31 17:02:17 2013 |
Alex Cole | Update | Electronics | Preliminary Photodetector Frequency Reponse Measurements | [Eric, Alex]
We used our setup from yesterday
(elog #8940) to measure transimpedance measurements |
|
|
8955
|
Thu Aug 1 18:55:20 2013 |
Alex Cole | Update | Electronics | Preliminary Photodetector Frequency Reponse Measurements |
|
|
|
8971
|
Tue Aug 6 12:43:23 2013 |
Alex Cole | Configuration | Electronics | AS Table and Rack 1Y1 Additions | For the photodetector frequency response
project, I finished the construction of our
baluns chassis and mounted it in rack 1Y1 |
|
|
8979
|
Wed Aug 7 15:51:53 2013 |
Alex Cole | Configuration | Electronics | RF Switch Change | For the photodetector frequency response
project, our new RF Switch Chassis (NI pxie-1071)
arrived today. I took the switches out of |
|
|
9004
|
Tue Aug 13 11:40:19 2013 |
Alex Cole | Summary | Electronics | RFPD Demod Filter Frequency Response Measurement | For the RF PD Frequency Response
Measurement project, we get each PD signal
from the "PD RF Mon" output of |
|
|
9005
|
Tue Aug 13 11:54:40 2013 |
Alex Cole | HowTo | Electronics | RF PD Fiber-Coupled Laser Operation | This post pertains to the fiber-coupled
diode laser mounted in rack 1Y1.
To turn the laser on, first turn |
|
|
9006
|
Tue Aug 13 13:30:41 2013 |
Alex Cole | Configuration | Electronics | Cable Routing | I routed cables (RG405 SMA-SMA) from
several demodulator boards in rack 1Y2 to
the RF Switch in rack 1Y1 using the overhead |
|
|
9059
|
Fri Aug 23 21:01:38 2013 |
Alex Cole | HowTo | Electronics | Automated Photodetector Frequency Response System | This post describes how to use the
Automated Photodetector Frequency Response
System. |
|
|
8795
|
Wed Jul 3 11:07:17 2013 |
Alex | Summary | | Photodetector Characterization | [Alex, Koji]
We characterized Koji's BBPD
MOD for REFL165 (see attachment). |
|
|
8806
|
Mon Jul 8 16:27:49 2013 |
Alex | Update | | Planned rack additions | Alex and Eric
For the photodetector frequency response
automation project, we plan to add modules |
|
|
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 |
|
|
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 |
|