Acousto-optic Bragg polarization separator based on single or dual acoustic frequency carriers

Hichem Benaissa; Jean-Claude Kastelik; Samuel Dupont

doi:10.1117/12.662759

22 April 2006 Acousto-optic Bragg polarization separator based on single or dual acoustic frequency carriers

Hichem Benaissa, Jean-Claude Kastelik, Samuel Dupont

Proceedings Volume 6189, Optical Sensing II; 618921 (2006) https://doi.org/10.1117/12.662759
Event: SPIE Photonics Europe, 2006, Strasbourg, France

Abstract

In this paper, we present a bifrequency acousto-optic polarization splitter (BAOPS) used to select independently the two polarization states of an arbitrary polarized input beam with two acoustic carriers. We make use of a dual frequency anisotropic interaction in the crystal, two acoustic waves diffract the optical beam, each frequency being tuned for interaction with only one of the beam polarizations. We explain how this double interaction is made possible by a proper cut of the paratellurite crystal and for a chosen launching angle of the input beam. In a first part we derive the theory underlying the acousto-optic interaction and the design of the paratellurite device. Then we describe our experimental setup, show some experimental results and discuss them.

Citation Download Citation

Hichem Benaissa, Jean-Claude Kastelik, and Samuel Dupont "Acousto-optic Bragg polarization separator based on single or dual acoustic frequency carriers", Proc. SPIE 6189, Optical Sensing II, 618921 (22 April 2006); https://doi.org/10.1117/12.662759

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