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Optical characterization (Optical characterization)
Allocca - 23:41 Tuesday 22 May 2018 (41519) Print this report
Comment to CMRF measurement and working point exploration (41417)

The frequency independent coupling is rather related to a losses asymmetry, even though a deeper analysis is needed to confirm it.

As said in today's commissioning meeting, hereafter the complete list of GPS with all the noise injections which we performed, including the less loud once. Every injection lasts about 2 minutes. 

The injections were performed using two different kinds of filters, whose band is specified for each GPS value.

1210526709  May16,18-17:25:09 UTC  (May16,18-19:25:09 CEST)
colored noise amp 5 10 - 200Hz
1210526709  May16,18-17:25:09 UTC  (May16,18-19:25:09 CEST)
colored noise (10 - 200Hz) amplitude 5 
 
1210526799  May16,18-17:26:39 UTC  (May16,18-19:26:39 CEST)
colored noise (10 - 200Hz) amplitude 10
 
1210526923  May16,18-17:28:43 UTC  (May16,18-19:28:43 CEST)
colored noise (10 - 200Hz) amplitude 12
 
 
1210527010  May16,18-17:30:10 UTC  (May16,18-19:30:10 (below some CEST)
colored noise (10 - 200Hz) amplitude 15 
 
1210530324  May16,18-18:25:24 UTC  (May16,18-20:25:24 CEST)
colored noise amp 10 (200 - 1KHz)
 
 
1210530408  May16,18-18:26:48 UTC  (May16,18-20:26:48 CEST)
colored noise amp 20 (200 - 1KHz)
 
 
1210530898  May16,18-18:34:58 UTC  (May16,18-20:34:58 CEST)
colored noise amp 30 (200 - 1KHz)
 
1210531145  May16,18-18:39:05 UTC  (May16,18-20:39:05 CEST)
colored noise amp 40 (200 - 1KHz)
1210530324  May16,18-18:25:24 UTC  (May16,18-20:25:24 CEST)
colored noise amp 10 200 - 1KHz
 
 
1210530408  May16,18-18:26:48 UTC  (May16,18-20:26:48 CEST)
colored noise amp 20 200 - 1KHz
 
(dataDisplay often freezes)
off
 
1210530898  May16,18-18:34:58 UTC  (May16,18-20:34:58 CEST)
colored noise amp 30 200 - 1KHz
 
1210531145  May16,18-18:39:05 UTC  (May16,18-20:39:05 CEST)
colored noise amp 40 200 - 1KHz
 
After moving the PR longitudinal position by 1 mm:
 
1210531509  May16,18-18:45:09 UTC  (May16,18-20:45:09 CEST)
colored noise amp 10 (10 - 200Hz)
 
1210531587  May16,18-18:46:27 UTC  (May16,18-20:46:27 CEST)
colored noise amp 15 (10 - 200Hz)
 
1210531853  May16,18-18:50:53 UTC  (May16,18-20:50:53 CEST)
colored noise amp 20 (10 - 200Hz)
 
1210532015  May16,18-18:53:35 UTC  (May16,18-20:53:35 CEST)
colored noise amp 25 (10 - 200Hz)
 
1210532161  May16,18-18:56:01 UTC  (May16,18-20:56:01 CEST)
colored noise amp 30 (10 - 200Hz)
 
1210541459  May16,18-21:30:59 UTC  (May16,18-23:30:59 CEST)
colored noise amp 10 (200 - 1KHz)
 
1210541541  May16,18-21:32:21 UTC  (May16,18-23:32:21 CEST)
colored noise amp 20 (200 - 1KHz)
 
1210541665  May16,18-21:34:25 UTC  (May16,18-23:34:25 CEST)
colored noise amp 30 (200 - 1KHz)
 
1210541796  May16,18-21:36:36 UTC  (May16,18-23:36:36 CEST)
colored noise amp 40 (200 - 1KHz)
 
1210541541  May16,18-21:32:21 UTC  (May16,18-23:32:21 CEST)
colored noise amp 20 200 - 1KHz
 
 
1210541665  May16,18-21:34:25 UTC  (May16,18-23:34:25 CEST)
colored noise amp 30 200 - 1KHz
 
 
1210541796  May16,18-21:36:36 UTC  (May16,18-23:36:36 CEST)
colored noise amp 40 200 - 1KHz
 
1210531509  May16,18-18:45:09 UTC  (May16,18-20:45:09 CEST)
colored noise amp 10 10 - 200Hz
 
 
 
1210531587  May16,18-18:46:27 UTC  (May16,18-20:46:27 CEST)
colored noise amp 15 10 - 200Hz
 
 
1210531748  May16,18-18:49:08 UTC  (May16,18-20:49:08 CEST)
colored noise amp 5 10 - 200Hz
(trying to improve coherence with darm?!?!?)
 
1210531853  May16,18-18:50:53 UTC  (May16,18-20:50:53 CEST)
colored noise amp 20 10 - 200Hz
 
1210532015  May16,18-18:53:35 UTC  (May16,18-20:53:35 CEST)
colored noise amp 25 10 - 200Hz
 
1210532161  May16,18-18:56:01 UTC  (May16,18-20:56:01 CEST)
colored noise amp 30 10 - 200Hz
1210531509  May16,18-18:45:09 UTC  (May16,18-20:45:09 CEST)
colored noise amp 10 10 - 200Hz
 
 
 
1210531587  May16,18-18:46:27 UTC  (May16,18-20:46:27 CEST)
colored noise amp 15 10 - 200Hz
 
 
1210531748  May16,18-18:49:08 UTC  (May16,18-20:49:08 CEST)
colored noise amp 5 10 - 200Hz
(trying to improve coherence with darm?!?!?)
 
1210531853  May16,18-18:50:53 UTC  (May16,18-20:50:53 CEST)
colored noise amp 20 10 - 200Hz
 
1210532015  May16,18-18:53:35 UTC  (May16,18-20:53:35 CEST)
colored noise amp 25 10 - 200Hz
 
1210532161  May16,18-18:56:01 UTC  (May16,18-20:56:01 CEST)
colored noise amp 30 10 - 200Hz
1210526709  May16,18-17:25:09 UTC  (May16,18-19:25:09 CEST)
colored noise amp 5 10 - 200Hz
1210526709  May16,18-17:25:09 UTC  (May16,18-19:25:09 CEST)
colored noise amp 5 10 - 200Hz
 
 
1210526799  May16,18-17:26:39 UTC  (May16,18-19:26:39 CEST)
colored noise amp 10 10 - 200Hz
 
1210526923  May16,18-17:28:43 UTC  (May16,18-19:28:43 CEST)
colored noise amp 12 10 - 200Hz
 
 
1210527010  May16,18-17:30:10 UTC  (May16,18-19:30:10 (below some CEST)
colored noise amp 15 10 - 200Hz
 
 
1210527152  May16,18-17:32:32 UTC  (May16,18-19:32:32 CEST)
stop noise
1210526709  May16,18-17:25:09 UTC  (May16,18-19:25:09 CEST)
colored noise amp 5 10 - 200Hz
 
 
1210526799  May16,18-17:26:39 UTC  (May16,18-19:26:39 CEST)
colored noise amp 10 10 - 200Hz
 
1210526923  May16,18-17:28:43 UTC  (May16,18-19:28:43 CEST)
colored noise amp 12 10 - 200Hz
 
 
1210527010  May16,18-17:30:10 UTC  (May16,18-19:30:10 (below some CEST)
colored noise amp 15 10 - 200Hz
 
 
1210527152  May16,18-17:32:32 UTC  (May16,18-19:32:32 CEST)
stop noise
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