LIGO Document T0900144-v2
- 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.
- 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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