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Proceedings Paper

Analysis of the light vector in the diffraction by few waves of two antiparallel ultrasonic beams
Author(s): Italo Gabrielli
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Paper Abstract

The phase-vector analysis enabled us to study the vectorial behavior of the light diffracted in the Fraunhofer plane by two adjacent antiparallel beams of progressive ultrasonic waves. It predicts also the vector angle, usually neglected, in addition to the light amplitude. Interesting frequency shifts superposed in some cases to a frequency modulation have been found if the ultrasonic frequency ratio F1/F2 equals m/n, with m, n small integers and m does not equal n. We present the results of the improved research, carried out by analyzing the light beam interacting with several wavelengths (Lambda) 0 equals m(Lambda) 1 equals n(Lambda) 2, to avoid the effects of the distortions of the diffraction lobes occurring if one wave (Lambda) 0 only is considered.

Paper Details

Date Published: 25 November 1992
PDF: 13 pages
Proc. SPIE 1844, Acousto-Optics and Applications, (25 November 1992); doi: 10.1117/12.131914
Show Author Affiliations
Italo Gabrielli, Univ. Trieste (Italy)


Published in SPIE Proceedings Vol. 1844:
Acousto-Optics and Applications

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