High sensitivity adaptive optics control of laser beam based on interferometric phase-front detection

Year: 2007

Authors: Avino S., Calloni E., Tierno A., De Rosa R., Di Fiore L., Milano L., Restaino S.R.

Autors Affiliation: Università Federico II di Napoli, Complesso Universitario Monte Sant’Angelo, via Cinthia, Naples, Italy;
INFN, sez. di Napoli, Complesso Universitario Monte Sant’Angelo, via Cinthia, Naples, Italy;
Naval Research Laboratory, Remote Sensing Division Code 7215 c/o AFRL/DEBS KAFB, NM 87117, USA;

Abstract: We present an upgrade of an adaptive optics (AO) system for the control of geometrical fluctuations in a laser beam, based on the interferometric detection of phase front. Acoustic isolation and suitable design of optical system make the present system very sensitive to laser beam geometrical fluctuations and can be an interesting step toward the active correction of the small perturbations of the input beam of gravitational wave interferometric detectors. (C) 2006 Elsevier Ltd. All rights reserved.

Journal/Review: OPTICS AND LASERS IN ENGINEERING

Volume: 45 (4)      Pages from: 468  to: 470

KeyWords: Gravitational waves; Adaptive optics; Laser interferometry
DOI: 10.1016/j.optlaseng.2005.07.013

Citations: 6
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