ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
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]
|
|
17545
|
Fri Apr 14 07:31:28 2023 |
JC | Update | General | Accelerometer for Tours | I was able to get this accelerometer going
for the next Lab tours. I want to get this
guy up on a big screen to give people a nice |
|
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 |
|
17801
|
Tue Aug 22 13:36:05 2023 |
Ian MacMillan | Update | SEI | Accelerometer calibration | [Ian, Torrey Cullen, Sander Vermeulen]
We are trying to calibrate one
of the Wilcoxon accelerometers from the cryo |
|
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 |
  |
776
|
Thu Jul 31 11:19:30 2008 |
Koji | Update | General | Abs. Len. Meas. ~ Resonance search trial | Last night, I tried to find the resonance
of Yarm by sweeping the frequency of the
injection beam.
|
|
738
|
Fri Jul 25 10:48:13 2008 |
Koji | Update | General | Abs. Len. Meas. ~ Realignment / beating / PLL trial | Alberto and Koji
o We worked for the abs length measurement |
|
787
|
Mon Aug 4 00:37:58 2008 |
Koji | Update | General | Abs. Len. Meas. ~ RF PD at the Y end / Manual frequency scan | [B]Work log on August 2nd[/B]
o Just remind you:
|
  |
567
|
Wed Jun 25 13:38:22 2008 |
Koji | Update | General | Abs. Len. Meas. ~ Placement of the 700mW NPRO on the AP table | This morning I have put the 700mW NPRO on
the AP table for the abs length measurement.
|
|
599
|
Mon Jun 30 05:33:38 2008 |
Koji | Update | General | Abs. Len. Meas. ~ Optical setup (II) | o The position of the iris was adjusted so
as not to disturub the beam for OMCR CCD.
|
|
590
|
Sun Jun 29 02:33:28 2008 |
Koji | Update | General | Abs. Len. Meas. ~ Optical setup (I) | I have constructed the beam injection optics
for the abs length measurement.
|
  |
796
|
Tue Aug 5 02:39:55 2008 |
Koji | Configuration | General | Abs. Len. Meas. ~ Optical Layout on the AP / PSL table 2008-Aug-05 | Here are the PDF and the PNG of the AP and
PSL table layouts.
After this photo, the squeezing setup at |
   |
782
|
Sat Aug 2 12:53:43 2008 |
Koji | Update | General | Abs. Len. Meas. ~ New PLL at the PSL table | [B]Report of the work last night:[/B]
The new heterodyne interferometer on the
PSL table was built.
|
|
748
|
Mon Jul 28 15:54:04 2008 |
Koji | Update | General | Abs. Len. Meas. ~ More on the beat / the PLL setup | Alberto and Koji,
Last Friday evening, Koji found that the |
 |
789
|
Mon Aug 4 05:23:57 2008 |
Koji | Update | General | Abs. Len. Meas. ~ Measurement for Y-arm completed | Finally, I have completed the abs length and
g-factor measurements for Y-arm.
[COLOR=green][B]>>>GO FOR THE VENT<<<[/B][/COLOR]
|
|
795
|
Tue Aug 5 00:05:57 2008 |
Koji | Update | General | Abs. Len. Meas. ~ IFR2023A calibration | [B]Work log on August 4th[/B]
o IFR2023A (Marconi) was calibrated by the |
|
556
|
Tue Jun 24 10:24:43 2008 |
Koji | Update | General | Abs. Len. Meas. ~ Cavity Swing Measurement (2) | At the entry 555, Alberto reported the results
of the cavity length measurement using cavity
sweeping.
|
 |
788
|
Mon Aug 4 00:56:07 2008 |
Koji | HowTo | General | Abs. Len. Meas. ~ Auto freq scanner with GPIB | [B]Work log on August 3rd - Part1[/B]
o Yesterday I was too much tired of changing |
|
1087
|
Fri Oct 24 18:05:01 2008 |
Alberto | Update | General | Abs length: transverse mode spacing measured for the X arm | The ETMX suffers of astigmatism. I measured
the following frequencies for the higher
order modes:
|
|
1086
|
Fri Oct 24 17:21:13 2008 |
Alberto | Update | General | Abs length: the right amount of beam clipping | I found the reason why the peak at about 6.3MHz
appeared only on the TEM10 mode: the blade
was clipping the beam too much and it was |
|
1084
|
Fri Oct 24 11:42:48 2008 |
Alberto | Update | General | Abs length: locking the X arm cavity in TEM01/10 | I went back to lock the arm cavity in either
TEM01 or TEM10 mode. Attached are the results.
We still have several resonances which we |
|
1072
|
Thu Oct 23 15:27:19 2008 |
Alberto | Update | General | Abs length | Here are the measurements I've got yesterday.
The plot shows the transmitted power after
the X arm while sweeping the frequency of |
|
1073
|
Thu Oct 23 18:23:47 2008 |
Alberto | Update | General | Abs length | [quote]Here are the measurements I've got
yesterday. The plot shows the transmitted
power after the X arm while sweeping the |
|
1074
|
Thu Oct 23 18:27:04 2008 |
Alberto | Update | General | Abs length | [quote]Here are the measurements I've got
yesterday. The plot shows the transmitted
power after the X arm while sweeping the |
|
12163
|
Thu Jun 9 18:54:40 2016 |
Aakash | Update | General | About Acromag | SURF 2016 | Today I tried to setup Acromag Busworks
card. I was able to calibrate and test it
over USB but I couldn't test it over |
|