| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
8499
|
Fri Apr 26 21:38:06 2013 |
Jenne | Configuration | RF System | PD frequency response | I was sad to see that there wasn't a photo
of the POX situation after the fiber work
was done on Thursday. |
|
|
8506
|
Mon Apr 29 17:26:22 2013 |
Riju | Configuration | RF System | PD frequency response | Today I have rerouted the fibers
on AP table to remove the fiber rolls out
of the AP table. I removed the fibers |
7x |
|
8512
|
Tue Apr 30 19:39:14 2013 |
Riju | Configuration | RF System | PD frequency response | Today I have rerouted the fibers on POX
table. The aim was to lay it overhead through
the plastic pipe. A pipe ~50ft (~15.5m) long |
|
|
8520
|
Wed May 1 17:36:26 2013 |
Riju | Configuration | RF System | PD frequency response | Today I routed fiber from 1x16 splitter
to POY table. Manasa helped me doing that.
The fiber(25m) was laid on overhead |
|
|
8573
|
Tue May 14 19:52:58 2013 |
Riju | Configuration | RF System | PD frequency response | [Eric, Riju, Annalisa]
Today we have cleared up the fiber
spool near AP table. We have put the 1x16 |
|
|
7159
|
Mon Aug 13 12:17:41 2012 |
Manasa | Configuration | IOO | PD from AP table removed | The PD (pda255) at the AP table, close
to the MC refl , which Steve mentioned to
be not in use, has been removed from the |
|
|
7205
|
Thu Aug 16 16:44:55 2012 |
Manasa | Configuration | IOO | PD from AP table removed |
|
|
|
8383
|
Mon Apr 1 16:24:09 2013 |
Jamie | Frogs | LSC | PD whitening switching fixed (loose connection at break-out box) |
|
|
|
916
|
Wed Sep 3 18:45:01 2008 |
Alberto | Configuration | | PD3 gain | Alberto, Yoichi,
We found that the PD3 servo was unstable |
|
|
348
|
Fri Feb 29 13:51:17 2008 |
John | Summary | LSC | PD6 response | I checked the response of PD6 using the AM
laser. It looks happy enough.[IMG]elog:348/1[/IMG]
|
|
|
349
|
Sun Mar 2 23:43:45 2008 |
rana | HowTo | LSC | PD6 response | John's PD plotting script is superior to all
of the ones we had before; lets make him
post the script so we can all use it.
|
|
|
1755
|
Thu Jul 16 01:00:56 2009 |
Alberto | Update | Locking | PD9 aligned |
|
|
|
5794
|
Thu Nov 3 14:25:52 2011 |
kiwamu | Update | LSC | PDA10A as POP22/110 : too small signal | It
turned out that the signal was too small
with PDA10A to detect the 22 and 110 MHz |
|
|
5796
|
Thu Nov 3 16:31:47 2011 |
kiwamu | Update | LSC | PDA10CF as POP22/110 : better | The
POP22/110 RFPD has been replaced by PDA10CF.
As a result the 22 and 110 MHz signals became |
|
|
15128
|
Wed Jan 15 16:54:51 2020 |
gautam | Update | General | PDA10CF removed from AS table | Per Yehonathan's request, I removed
one PDA10CF from a pickoff of REFL on the
AS table (it was being used for the mode |
|
|
7462
|
Tue Oct 2 14:20:33 2012 |
Manasa | Configuration | IOO | PDA255 not working | The PDA255 that Koji repaired is still
not alright. It seems to be saturating again.
I've left it in the PD cabinet where it is |
|
|
11
|
Wed Oct 24 01:43:32 2007 |
Andrey Rodionov | Other | General | PDF-file -> Will report about first results for XARM during Wednesday meeting |
Here is the pdf-file with some graphs showing
first results for XARM optimization.
|
|
|
10229
|
Thu Jul 17 16:39:34 2014 |
Nichin | Update | Electronics | PDFR debugging attempt : REFL11 | In a attempt to debug the values of transimpedance
generated by the PDFR system, I did a manual
measurement for REFL11 PD. |
|
|
10232
|
Thu Jul 17 17:39:57 2014 |
Koji | Update | Electronics | PDFR debugging attempt : REFL11 | What is the coupling factor between the
RF in and the RF mon of the demodulator?
|
|
|
13955
|
Wed Jun 13 12:21:09 2018 |
gautam | Update | ALS | PDFR laser checkout | I want to use the Fiber Coupled laser from
the PDFR
system to characterize the response of |
|
|
10305
|
Thu Jul 31 12:01:35 2014 |
Nichin | Update | Computer Scripts / Programs | PDFR update | The Transimpedance plots of PDFR now have
a reference plot or baseline plot along with
the current measurement, for easy comparision. |
|
|
10332
|
Tue Aug 5 17:24:37 2014 |
Nichin | Update | Computer Scripts / Programs | PDFR update | The PDFR system now has the capability
to automatically run vectfit3.mat using a
wrapper script named vectorfitzpk.m |
|
|
10288
|
Tue Jul 29 18:58:57 2014 |
Nichin | Update | Computer Scripts / Programs | PDFR update and Test run | The PDFR system's interface and scripts
have been updated to include quite a few
more features. |
|
|
10355
|
Fri Aug 8 16:45:40 2014 |
Nichin | Update | Wiki | PDFR wiki updated | The PDFR system has been documented
in the 40m wiki and all the relevant information
about making changes and keeping it updated |
|
|
10166
|
Wed Jul 9 17:34:11 2014 |
Nichin | Update | Electronics | PDFR: Beam pointing adjustments and DC measurements | [Nichin, Manasa]
AIM: |
|
|
10183
|
Fri Jul 11 11:51:03 2014 |
Nichin | Update | Electronics | PDFR: List of DC transimpedances | The following
values are going to be entered in the param_[PDname].yml
file for each PD. I am elogging them for |
|
|
2432
|
Sat Dec 19 14:33:25 2009 |
Koji | Configuration | Computers | PDFlib lite / gnuplot 4.2.6 on Rosalba/Allegra | In order to enable 'set terminal pdf' in
gnuplot on Rosalba/Allegra, I installed PDFlib
lite and gnuplot v4.2.6. to them. |
|
|
11498
|
Wed Aug 12 14:35:46 2015 |
ericq | Update | Computer Scripts / Programs | PDFs in ELOG | I've tweaked the ELOG code to allow
uploading of PDFs by drag-and-drop into
the main editor window. Once again we can |
|
|
5808
|
Fri Nov 4 13:13:25 2011 |
Zach | Update | Green Locking | PDH box #17 modified, too | I also modified the Y-Arm PDH box itself
slightly. Previously, there was a flying
10k resistor from the SWEEP input to TP2. |
|
|
15218
|
Fri Feb 21 10:59:08 2020 |
shruti | Update | ALS | PDH error signals? | |
|
|
15219
|
Fri Feb 21 13:02:53 2020 |
Koji | Update | ALS | PDH error signals? | Check out this elog:
ELOG
4354 |
|
|
5179
|
Wed Aug 10 20:40:17 2011 |
Jenny | Update | PSL | PDH locking: got an error signal | I ended up choosing a different dither
frequency for driving the NPRO PZT: 230 kHz,
because the phase modulation response in |
|
|
11959
|
Fri Jan 29 08:18:13 2016 |
Steve | Update | PEM | PEM |
|
|
|
17
|
Fri Oct 26 09:10:17 2007 |
steve | Routine | PEM | PEM &PSL trend | The fires are out, lab particle counts are
up.
Psl HEPAs are at 100% and mobel HEPAs are |
|
|
7230
|
Sun Aug 19 19:02:47 2012 |
Den | Update | CDS | PEM -> RFM -> OAF | Data from PEM now goes directly to OAF
without using RFM. Transmission RFM ->
OAF errors are gone as RFM has to read 30 |
|
|
4825
|
Wed Jun 15 16:37:56 2011 |
Jenne | Update | PEM | PEM AA Board has been diagnosed and fixed | [Jenne, Steve]
After talking with Steve, I had a
look at the PEM's AA board, to see what the |
|
|
4826
|
Thu Jun 16 00:39:08 2011 |
Koji | Update | PEM | PEM AA Board has been diagnosed and fixed | As
seen in the photo, the board has a strange
bulge |
|
|
13788
|
Wed Apr 25 17:44:39 2018 |
Arnold | Update | PEM | PEM Anti-Alias wiring |
|
|
|
13790
|
Thu Apr 26 09:35:49 2018 |
Kevin | Update | PEM | PEM Anti-Alias wiring | I wired all 32 channels going to the AA
board directly to the ADC as described in
the previous |
|
|
14949
|
Tue Oct 8 08:08:18 2019 |
gautam | Update | PEM | PEM BLRMS anomaly | Yesterday, Koji and I noticed (from the
wall StripTool traces) that the vertex seismometer
RMS between 0.1-0.3 Hz in the X-direction |
|
|
14989
|
Wed Oct 23 11:49:21 2019 |
gautam | Update | PEM | PEM BLRMS anomaly | I looked into the seismometer situation
a bit more today. Here is the story so far
- I think more investigation is required: |
|
|
3977
|
Tue Nov 23 14:52:28 2010 |
Jenne | Update | PEM | PEM Model Started | Joe showed me what was what with adding
DAQ channels, and I have begun building a simulink |
|
|
11265
|
Fri May 1 13:22:08 2015 |
ericq | Update | DAQ | PEM Slow channels added to saved frames | Rana asked me to include add slow outputs
(OUT16) of the seismometer BLRMS channels
to the frames. |
|
|
11266
|
Fri May 1 16:42:42 2015 |
rana | Update | DAQ | PEM Slow channels added to saved frames | Still processing, but I think it should
work fine once we have a day of data. Until
then, here's the summary pages so far, |
|
|
1987
|
Tue Sep 15 15:46:05 2009 |
steve | Update | PEM | PEM and VAC | FSS_RMTEMP is moving up and daily
fluctuations are less . 120 and
16 days plots are below. |
|
|
1615
|
Thu May 21 12:58:32 2009 |
rob | Configuration | ALARM | PEM count-half disabled | I've disabled the alarm for PEM_count_half,
using the mask in the 40m.alhConfig file.
We can't do anything about it, and it's just |
|
|
6935
|
Sat Jul 7 16:34:41 2012 |
Masha | Update | PEM | PEM no longer freaking out (as much). | Hi everybody,
Sorry for flooding the ELOG about
the PEM channels. Today I |
|
|
6936
|
Sat Jul 7 17:28:11 2012 |
Masha | Update | PEM | PEM no longer freaking out (as much). |
|
|
|
303
|
Fri Feb 8 17:55:53 2008 |
josh | Configuration | PEM | PEM-AS_MIC now in PSL enclosure | I have moved the microphone to the PSL enclosure,
hanging near the south (Y) side from a support
rod for the overhanging storage area so that |
|
|
298
|
Tue Feb 5 17:39:05 2008 |
jweiner | Configuration | PEM | PEM-AS_MIC taken down from AS table, will put in PSL enclosure soon | I took down the microphone that Andrey hung
above the AS table his first week in lab.
I want to hang the microphone above the PMC |
|