LIGO Document T0900144-v2

Adv. LIGO Arm Length Stabilisation Design

Document #:
LIGO-T0900144-v2
Document type:
T - Technical notes
Other Versions:
LIGO-T0900144-v7
08 Nov 2018, 13:19
LIGO-T0900144-v6
04 Mar 2015, 13:44
LIGO-T0900144-v5
20 Jun 2012, 05:44
LIGO-T0900144-v4
06 Jun 2010, 18:26
LIGO-T0900144-v3
05 May 2010, 08:04
LIGO-T0900144-v1
24 Apr 2009, 02:50
Abstract:
The design of the arm length fluctuation system. This system aids in the lock acquisition of the interferometer by stabilising the arm cavity length fluctuations to within ~1.3 nm.
Files in Document:
Notes and Changes:
1) Started appendix B ’Version History’.
2) Modified section 5.1 to reflect what is mentioned in the ALS Requirements Document (T0900095-v2).
3) Updated figures 1,7,8 with the latest fiber phase noise correction measurements.
4) Updated figure 3, include the mode matching telescope for the 532 nm beam and wavefront sensors.

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