An adaptive optics approach to the reduction of misalignments and beam jitters in gravitational wave interferometers

Details An adaptive optics approach to the reduction of misalignments and beam jitters in gravitational wave interferometers An adaptive optics approach to the reduction of misalignments and beam jitters in gravitational wave interferometers

Apr 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002cqgra..19.1813b&link_type=abstract

Classical and Quantum Gravity, Volume 19, Issue 7, pp. 1813-1818 (2002).

Physics

Optics

Scientific paper

We describe a study and the preliminary experimental results on the possibility of using adaptive optics systems for the reduction of geometrical fluctuations of input laser beams in long baseline interferometric detectors of gravitational waves. The experimental tests aimed to test the efficiency of Hermite-Gauss versus Shack-Hartmann wavefront reconstruction and feedback diagonalization. These preliminary results seem to indicate that the adaptive optics systems may be integrated in the near future as stabilization stages before a passive mode cleaner cavity, provided that the operational band of the mirror is increased together with the efficiency of the control system.

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