Near field of light diffracted by ultrasound in an isotropic medium with acoustically induced anisotropy

Erik Blomme; Grzegorz Gondek; Tomasz Katkowski; Piotr Kwiek; Antoni Sliwinski; Oswald Jozef Leroy

doi:10.1117/12.330468

11 November 1998 Near field of light diffracted by ultrasound in an isotropic medium with acoustically induced anisotropy

Erik Blomme, Grzegorz Gondek, Tomasz Katkowski, Piotr Kwiek, Antoni Sliwinski, Oswald Jozef Leroy

Author Affiliations +

Proceedings Volume 3581, Acousto-Optics and Applications III; (1998) https://doi.org/10.1117/12.330468
Event: Acousto-Optics and Applications III, 1998, Gdansk-Jurata, Poland

Abstract

A theoretical model is presented for the study of the near field of light diffracted by ultrasound in an isotropic medium which becomes birefringent in the presence of an acoustic wave. Due to the interference with the sound wave, the diffracted light wave in its near field is seen to act as a quasi-monochromatic light wave which is partially polarized. The degree of coherence ins sen to coincide with the degree of polarization and can be controlled acoustically. Hence coherent laser light can be transformed into incoherent light by sending it through an isotropic material with acoustically induced birefringence. In the experimental part of the work, the non-diagonal elements of the diffracted light beam coherency matrix were measured and a good agreement with the theoretical model was obtained.

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Erik Blomme, Grzegorz Gondek, Tomasz Katkowski, Piotr Kwiek, Antoni Sliwinski, and Oswald Jozef Leroy "Near field of light diffracted by ultrasound in an isotropic medium with acoustically induced anisotropy", Proc. SPIE 3581, Acousto-Optics and Applications III, (11 November 1998); https://doi.org/10.1117/12.330468

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