| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
7814
|
Wed Dec 12 11:49:05 2012 |
Ayaka | Update | LSC | Acoustic noise in POX and AS error signal | [Koji, Ayaka]
Last night, I injected acoustic noise
at POX table and AS table with oplev controls |
|
|
7707
|
Tue Nov 13 21:05:22 2012 |
Ayaka | Update | WienerFiltering | Acoustic noise cancellation with MC | In order to perform acoustic noise
cancellation with MCL signal, I am trying
to find sweet spots for microphones. |
9x |
|
12442
|
Thu Aug 25 19:03:56 2016 |
Praful | Update | Electronics | Acoustic Tab and Amp Suspension | My box has been suspended in the PSL using
surgical tubing, and it has been connected
to C1:PEM-MIC_1 (C17) with a BNC. I made |
|
|
12460
|
Thu Sep 1 15:28:01 2016 |
rana | Update | Electronics | Acoustic Tab and Amp Suspension |
add photo of installation
no
more secret personal pages! put channels
into the actual pages that we look at
make |
|
|
12463
|
Thu Sep 1 17:25:02 2016 |
Praful | Update | Electronics | Acoustic Tab and Amp Suspension | I'll add a picture of the installation
when I get back to campus and finish hooking
up the power cable. I haven't added this |
|
|
12614
|
Mon Nov 14 19:15:57 2016 |
Johannes | Update | General | Achievable armloss measurement accuracy | Looking back at elog
12528, the uncertainty in the armloss
number from the individual quantities in |
|
|
12618
|
Tue Nov 15 20:35:19 2016 |
Johannes | Update | General | Achievable armloss measurement accuracy | I had a mistake in my script that reported
the wrong error after averaging several datapoints,
and because I hadn't looked at the individual |
|
|
12624
|
Thu Nov 17 21:54:11 2016 |
Johannes | Update | General | Achievable armloss measurement accuracy | I don't like AS110 or AS55.
Neither of them are designed for DC and so
the DC readout chain is hokey. How |
|
|
8580
|
Wed May 15 17:17:05 2013 |
Jamie | Summary | CDS | Accounting of ADC/DAC channel availability | We need ADC and DAC channels for a couple
of things:
POP QPD: 3x ADC
|
|
|
8583
|
Wed May 15 19:32:04 2013 |
rana | Summary | CDS | Accounting of ADC/DAC channel availability |
|
|
|
8585
|
Wed May 15 22:47:11 2013 |
Jamie | Summary | CDS | Accounting of ADC/DAC channel availability |
|
|
|
9429
|
Wed Nov 27 16:29:21 2013 |
Jenne | Update | CDS | Accidentally turned off SUS IO chassis | [Jenne, Koji]
I was trying to lock the Yarm, and
saw that I was not getting signals to go |
|
|
830
|
Tue Aug 12 21:38:19 2008 |
John | Update | LSC | Accidental higher order mode resonances in the arms | Recently we had been having some trouble locking
the full IFO in the [COLOR=green][I][FONT=Verdana]spring[/FONT][/I][/COLOR]
configuration (SRC on [COLOR=blue]+166[/COLOR]).
|
|
|
5289
|
Tue Aug 23 16:23:33 2011 |
Jenne | Update | VAC | Access connector in place | [Steve, Bob, Jamie, Kiwamu, Valera, Jenne]
The access connector is now in place,
in preparation for pump-down. Tomorrow |
|
|
1692
|
Tue Jun 23 23:14:36 2009 |
Clara | Configuration | PEM | Accelerometers relocated | Both accelerometers have been moved in
an attempt to optimize their positions. The
MC1 accelerometer was moved from one green |
|
|
2078
|
Fri Oct 9 17:41:04 2009 |
Jenne | Update | PEM | Accelerometers relocated | [Sanjit, Jenne]
The set of 6 accelerometers which
were semi-randomly placed underneath the |
|
|
2079
|
Sun Oct 11 04:12:44 2009 |
rana | Update | PEM | Accelerometers relocated | Some of these channels are not like the
others. |
|
|
11389
|
Wed Jul 1 16:16:46 2015 |
Ignacio | Update | General | Accelerometers reinstalled for future huddle test | Today, I installed the Wilcoxon accelerometers
in the table near the end of the mode cleaner.
I only set three of them up instead of all |
9x |
|
11359
|
Mon Jun 15 16:55:39 2015 |
ericq | Update | PEM | Accelerometers installed | The accelerometers have been installed
at MC1 and MC2. MC2 data is live, I haven't
yet run the cables from the MC1 set to the |
|
|
11362
|
Wed Jun 17 15:31:50 2015 |
ericq | Update | PEM | Accelerometers fully installed | MC1 accelerometer has been plugged in.
The modecleaner locking has been intermittent
today, but I looked at a 15 minute lock in |
|
|
172
|
Wed Dec 5 23:19:03 2007 |
Andrey | Configuration | PEM | Accelerometers are turned on |
All accelerometers have been turned on, as
Alan asked during Wednesday meeting.
|
7x |
|
151
|
Fri Nov 30 20:17:26 2007 |
Andrey | Configuration | PEM | Accelerometers and alum.plates for them | All 6 accelerometers which were located near
the ITMX are turned off and disconnected
from the power cords.
|
|
|
853
|
Tue Aug 19 14:25:38 2008 |
Sharon | Update | PEM | Accelerometer's calibration - update | [COLOR=blue][B]Goal[/B][/COLOR] - Make sure
the accelerometers are calibrated among themselves
(have the same power spectrum when they are |
|
|
882
|
Mon Aug 25 17:45:34 2008 |
rana, josephb, rob | HowTo | PEM | Accelerometer range | Joe shows us by jumping up ~15" in the control
rom that the accelerometers are set with
not enough gain.
|
|
|
7262
|
Thu Aug 23 21:53:18 2012 |
Yaakov | Update | PEM | Accelerometer location | The MC1 accelerometer cube (3 accelerometers
arranged in x,y,z) is under the PSL table,
as I found it at the beginning of the summer. |
|
|
3355
|
Wed Aug 4 01:44:56 2010 |
Koji | Configuration | PEM | Accelerometer located on and below the PSL table | [Jenne and Koji]
In order to characterize the seismic vibration |
|
|
3395
|
Tue Aug 10 22:40:55 2010 |
Koji | Summary | PEM | Accelerometer located on and below the PSL table | Result
of the accelerometer measurement
Introduction
We wanted to characterize |
|
|
930
|
Thu Sep 4 18:02:34 2008 |
rana, josephb | Configuration | PEM | Accelerometer gains increased by 10 | [COLOR=chocolate][SIZE=3]We increased the
Accelerometer gains by 10 by modifying the
C1ADCU_PEM.ini file.[/SIZE][/COLOR]
|
|
|
673
|
Tue Jul 15 11:47:56 2008 |
Jenne | DAQ | PEM | Accelerometer channels in ASS Adapt MEDM screen | Jenne, Sharon
We have traced which accelerometers correspond |
|
|
368
|
Tue Mar 11 23:14:01 2008 |
rana | Configuration | PEM | Accelerometer and Seismometer movements | Steve and Matt moved the accelerometers and
seismometers today.
The accelerometers are now placed around |
|
|
369
|
Wed Mar 12 00:36:52 2008 |
rana | Configuration | PEM | Accelerometer and Seismometer movements | I used the MISO FIR Wiener matlab code to
see how well we might do in principle.
|
|
|
370
|
Wed Mar 12 00:40:35 2008 |
rana | Configuration | PEM | Accelerometer and Seismometer movements | Same as above but with 2048 taps and a 128
Hz sample rate. Does much better at the 16
Hz bounce mode. |
|
|
371
|
Wed Mar 12 00:47:26 2008 |
rana | Configuration | PEM | Accelerometer and Seismometer movements | And this is a [COLOR=blue]cool snapshot[/COLOR]
showing how this operation used [B][COLOR=red]16
cores[/COLOR][/B] on [SIZE=5][B][COLOR=purple]menkar |
|
|
283
|
Mon Jan 28 19:35:55 2008 |
rana | Summary | PEM | Accelerometer and Seismometer Coherences | [FONT=Arial][COLOR=purple]The attached PDF
shows that there is some strange behavior
at low frequencies.[/COLOR][/FONT]
|
|
|
330
|
Fri Feb 22 02:51:20 2008 |
Andrey | Update | PEM | Accelerometer ITMX seems to be broken |
As people probably know,
|
|
|
2859
|
Wed Apr 28 16:15:02 2010 |
Kevin | Update | PSL | Accelerometer Calibration | Koji, Steve, and Kevin looked into calibrating
the Wilcoxon accelerometers. Once calibrated,
the accelerometers will be used to monitor |
|
|
11460
|
Wed Jul 29 17:51:56 2015 |
Ignacio | Update | PEM | Accelerators moved back to MC1 and MC2 | We are done taking accelerator huddle test
data. So I moved back all six accelerometers
and cables to MC1 and MC2. I also relabel |
|
|
2889
|
Thu May 6 18:25:20 2010 |
Jenne | Update | PEM | Acc power supply turned on | The accelerometer power supply / preamp
board has been OFF because of exciting new
accelerometer measurements. It's now |
|
|
5100
|
Wed Aug 3 01:30:04 2011 |
Jenne | Update | LSC | Absolute length of Xarm and Yarm measured | So far, this is just preliminary, because |
|
|
1115
|
Wed Nov 5 12:41:36 2008 |
Alberto | Update | LSC | Absolute Length and g-factor measurements conclusions | [SIZE=4][B][COLOR=green]Absolute Length and
g-Factor Measurement for the 40m Arm Cavities,
Summary of Results[/COLOR][/B][/SIZE]
|
|
|
2053
|
Mon Oct 5 14:37:29 2009 |
Alberto | Update | ABSL | Absolute Length Meaasurement NPRO is on | In the revival of the experiement length
measurement for the recycling cavities, I
turned the auxiliary NPRO back on. The shutter |
|
|
2422
|
Wed Dec 16 11:46:25 2009 |
Alberto | Update | ABSL | Absl PLL Open Loop Gain | Yesterday I measured the Open Loop Gain
of the PLL in the absolute length experiment.
The servo I used was that of the old Universal |
|
|
2337
|
Wed Nov 25 20:14:58 2009 |
Alberto | Update | ABSL | AbsL PLL not able to lock: problem fixed |
|
|
|
2328
|
Wed Nov 25 10:20:47 2009 |
Alberto | Update | ABSL | AbsL PLL not able to lock | Last night something happened on the
beat between the PSL beam and the auxiliary
NPRO beam, that spoiled the quality of the |
|
|
2329
|
Wed Nov 25 11:02:54 2009 |
Alberto | Update | ABSL | AbsL PLL not able to lock |
|
|
|
838
|
Thu Aug 14 21:52:51 2008 |
Koji | Summary | General | Abs. Len. Meas. ~ summary of my Summer | I have made the summary of the absolute length
measurement.
It is attached here. The file is a bit big |
|
|
802
|
Wed Aug 6 11:43:52 2008 |
Koji | Update | General | Abs. Len. Meas. ~ analysis of the TEM01 scan | [B]Analysis of the data on August 3th ~ Part
2[/B]
|
|
|
801
|
Wed Aug 6 11:10:34 2008 |
Koji | Update | General | Abs. Len. Meas. ~ analysis of the TEM00 scan | [B]Analysis of the data on August 3th ~ Part
1[/B]
|
|
|
794
|
Mon Aug 4 22:31:10 2008 |
Koji | Update | General | Abs. Len. Meas. ~ Simple Test for TEM01/10 split | [B]Work log on August 3rd - Part3[/B]
[B]Question:[/B]
|
|
|
793
|
Mon Aug 4 21:48:24 2008 |
Koji | Update | General | Abs. Len. Meas. ~ Scan for TEM00/01/10 | [B]Work log on August 3rd - Part2[/B]
o I tried to measure the frequency of the |
|