Two-dimensional selection of optical spatial frequencies by acousto-optic methods

Vitaly B. Voloshinov; T. M. Babkina; Vladimir Ya. Molchanov

doi:10.1117/1.1477437

1 June 2002 Two-dimensional selection of optical spatial frequencies by acousto-optic methods

Vitaly B. Voloshinov, T. M. Babkina, Vladimir Ya. Molchanov

Optical Engineering, Vol. 41, Issue 6, (June 2002). https://doi.org/10.1117/1.1477437

We theoretically and experimentally examine the selection of spatial frequencies of optical beams carried out by acousto-optic methods. Control of the optical rays is provided in two orthogonal directions with the help of a single acousto-optic cell fabricated of a birefringent paratellurite single crystal. The investigation is performed using a cell of a tunable acousto-optic filter illuminated by coherent radiation of a He-Ne laser at optical wavelength ? = 633 nm. The filter is capable of a 2-D selection of optical beams propagating all over the range of spatial frequencies |vx|= |Vy| = ?300 cm-1 in the spectral passband ?v = 50 to 100 cm-1. Optimal regimes of the acousto-optical interaction characterized by high efficiency of the filtration are considered during the research. New results on processing of optical images formed by divergent optical rays are presented and regular trends of the processing are discussed.

©(2002) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Vitaly B. Voloshinov, T. M. Babkina, and Vladimir Ya. Molchanov "Two-dimensional selection of optical spatial frequencies by acousto-optic methods," Optical Engineering 41(6), (1 June 2002). https://doi.org/10.1117/1.1477437

Published: 1 June 2002

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