Differences between revisions 3 and 5 (spanning 2 versions)

IMC Information

Current IMC servo topology:
- https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=7105
Common mode servo board configuration:
- slow path to AOM???
IMC sideband frequency: 13.78 MHz
- https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=5493
Measured IMC modulation depth: ~0.1 rad (measured??)
- http://klog.icrr.u-tokyo.ac.jp/osl/?r=3709
Measured IMC finesse: 540 +/- 70
- http://klog.icrr.u-tokyo.ac.jp/osl/?r=618
Measured IMC length: 53.3 m
- http://klog.icrr.u-tokyo.ac.jp/osl/?r=616 (Could be slightly different right now since we had re-installation work after this measurement)
Measured IMC mode matching ratio: 86.2 %
- https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=5019 (Could be fairly different right now since we had re-installation work after this measurement)
Measured MCe RoC: 37.33(9) m
- http://klog.icrr.u-tokyo.ac.jp/osl/?r=711
Measured AOM actuation efficiency: 5.064(7) MHz/V
- http://klog.icrr.u-tokyo.ac.jp/osl/?r=3172
Measured MCe actuation efficiency: 6.9 um/V (any data for MCi and MCo?)
- http://gwclio.icrr.u-tokyo.ac.jp/lcgtsubgroup/inoutoptics/2015/06/mce625-26.html#comments
Calibrated IMC WFS noise level, and some noise hunting:
- http://klog.icrr.u-tokyo.ac.jp/osl/?r=3366
- http://klog.icrr.u-tokyo.ac.jp/osl/?r=3335
Accelerometer on the PSL table:
IMC length NoiseBudget code:
- (UPDATE SVN)
Frequency stabilization servo modeling (design):
- https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=3330
- https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=2908

KAGRA/Commissioning/CommissioningWorkshop2017/IMCInfo (last edited 2017-11-28 19:23:27 by TomotadaAkutsu)

-  ⇤ ← Revision 3 as of 2017-11-27 21:41:59 → 
  Size: 1380
  Editor: YutaMichimura
  Comment:
+   ← Revision 5 as of 2017-11-27 21:42:55 → ⇥
  Size: 1863
  Editor: YutaMichimura
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 2:
+ * Current IMC servo topology:
  * https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=7105

 * Common mode servo board configuration:
  * slow path to AOM???

 * IMC sideband frequency: 13.78 MHz
  * https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=5493

 * Measured IMC modulation depth: ~0.1 rad (measured??)
  * http://klog.icrr.u-tokyo.ac.jp/osl/?r=3709

 * Measured IMC finesse: 540 +/- 70
  * http://klog.icrr.u-tokyo.ac.jp/osl/?r=618
-Line 4:
+Line 18:
-  * http://klog.icrr.u-tokyo.ac.jp/osl/?r=616
(Could be slightly different right now since we had re-installation work after this measurement)
+  * http://klog.icrr.u-tokyo.ac.jp/osl/?r=616 (Could be slightly different right now since we had re-installation work after this measurement)
-Line 8:
+Line 21:
-  * https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=5019
(Could be fairly different right now since we had re-installation work after this measurement)
+  * https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=5019 (Could be fairly different right now since we had re-installation work after this measurement)
-Line 29:
+Line 41:
- * IMC length Noise``Budget code:
+ * IMC length NoiseBudget code: