Geodesic
Acousto-optical spectrum analyzer based on Bessel light beams
Problemy fiziki, matematiki i tehniki, no. 1 (2021), pp. 19-23

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The features of non-collinear acousto-optical diffraction of quasi-diffraction Bessel light beams in uniaxial crystals for creating radio frequency signal spectro-analyzers are theoretically investigated. An expression is found for the diffraction efficiency depending on the parameters of interacting Bessel beams of $o$- and $e$-type, as well as on the values of the overlap integrals and the frequency detuning of the Bragg synchronism. It is shown that the frequency resolution of the acousto-optical spectrum analyzer is $\sim$ 3.5 kHz in the absence of accurate transverse phase synchronism of diffracted Bessel light beams.
Keywords: non-collinear acousto-optical interaction, Bessel light beams, acousto-optical spectrum analyzer, diffraction efficiency, frequency resolution.
Mots-clés : uniaxial crystal 
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     author = {G. V. Kulak and P. I. Ropot and A. R. Bestugin and O. V. Shakin},
     title = {Acousto-optical spectrum analyzer based on {Bessel} light beams},
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G. V. Kulak; P. I. Ropot; A. R. Bestugin; O. V. Shakin. Acousto-optical spectrum analyzer based on Bessel light beams. Problemy fiziki, matematiki i tehniki, no. 1 (2021), pp. 19-23. http://geodesic.mathdoc.fr/item/PFMT_2021_1_a2/