Acousto-optical data processing exploiting the wave heterodyning

Alexandre S. Shcherbakov; Olga I. Belokurova; Eduardo Tepichin Rodriguez; Daniel Sánchez Lucero

doi:10.1117/12.795639

3 September 2008 Acousto-optical data processing exploiting the wave heterodyning

Alexandre S. Shcherbakov, Olga I. Belokurova, Eduardo Tepichin Rodriguez, Daniel Sánchez Lucero

Proceedings Volume 7072, Optics and Photonics for Information Processing II; 70721E (2008) https://doi.org/10.1117/12.795639
Event: Optical Engineering + Applications, 2008, San Diego, California, United States

Abstract

The process of co-directional collinear wave heterodyning, considered for the particular case of its realizing through interaction the longitudinal elastic waves of finite amplitudes, is studied theoretically and investigated experimentally via the acousto-optical technique. We examine possible applications of this phenomenon to a real-time scale acoustooptical analysis of the frequency spectrum belonging to ultra-high-frequency radio-wave signals. The first step along this way was connected with experimental modeling of the elastics wave heterodyning process in solids via exploitation of acousto-optical cell on the base of liquids, which allow the simplest realization of a cell with needed performance data. Then, these theoretical findings have been used in our experimental studies aimed at improving the accuracy of acousto-optical devices. In particular, the possibility of creating the acousto-optical data processing with the acoustic wave heterodyning has been experimentally observed in a cell made of lead molybdate crystal. The obtained results demonstrate efficiency of the approach presented.

Citation Download Citation

Alexandre S. Shcherbakov, Olga I. Belokurova, Eduardo Tepichin Rodriguez, and Daniel Sánchez Lucero "Acousto-optical data processing exploiting the wave heterodyning", Proc. SPIE 7072, Optics and Photonics for Information Processing II, 70721E (3 September 2008); https://doi.org/10.1117/12.795639

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KEYWORDS

Acoustics

Heterodyning

Crystals

Data processing

Lead

Signal attenuation

Acousto-optics

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