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Proceedings Paper

A multi-phonon light-scattering and resolution of acousto-optic devices
Author(s): Alexandre S. Shcherbakov; Ana Virginia Hanessian de la Garza; Vahram Chavushyan; Sergey A. Nemov
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Paper Abstract

Rather specific types of light diffraction in the condensed matters are analyzed theoretically, so that in fact a set of processes conditioned by a multi-phonon light scattering in the Bragg regime is under investigation. Besides of their scientific novelty, studying these phenomena promises real progress in applications, because practical exploiting of the m - phonon processes in frontier schemes for the acousto-optical spectrum analysis of both optical and radio-signals leads potentially to improving the frequency and/or spectral resolution of the corresponding analyzers by almost m - times. With this in mind, the wave-based description, the corpuscular approach as well as the quantum interpretation of acousto-optical interaction are used here to characterize various aspects related to improving the expected resolution of acousto-optical devices exploiting a multi-phonon light scattering. In so doing, the quantity of orders under consideration is limited by number N ≤ 4 , which is still hopefully possible to be achieved experimentally in Bragg regime. Additionally, a brief description of a multi-order light scattering by usual thin diffraction grating is presented in the appendix for the convenience of its physical comparison with the results obtained for acousto-optics.

Paper Details

Date Published: 15 February 2012
PDF: 11 pages
Proc. SPIE 8240, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XI, 82401S (15 February 2012); doi: 10.1117/12.910057
Show Author Affiliations
Alexandre S. Shcherbakov, Instituto Nacional de Astrofísica, Óptica y Electrónica (Mexico)
Ana Virginia Hanessian de la Garza, Instituto Nacional de Astrofísica, Óptica y Electrónica (Mexico)
Vahram Chavushyan, Instituto Nacional de Astrofísica, Óptica y Electrónica (Mexico)
Sergey A. Nemov, St. Petersburg State Polytechnical Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 8240:
Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XI
Konstantin L. Vodopyanov, Editor(s)

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