A multi-phonon light-scattering and resolution of acousto-optic devices

Alexandre S. Shcherbakov; Ana Virginia Hanessian de la Garza; Vahram Chavushyan; Sergey A. Nemov

doi:10.1117/12.910057

15 February 2012 A multi-phonon light-scattering and resolution of acousto-optic devices

Alexandre S. Shcherbakov, Ana Virginia Hanessian de la Garza, Vahram Chavushyan, Sergey A. Nemov

Proceedings Volume 8240, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XI; 82401S (2012) https://doi.org/10.1117/12.910057
Event: SPIE LASE, 2012, San Francisco, California, United States

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.

Citation Download Citation

Alexandre S. Shcherbakov, Ana Virginia Hanessian de la Garza, Vahram Chavushyan, and Sergey A. Nemov "A multi-phonon light-scattering and resolution of acousto-optic devices", Proc. SPIE 8240, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XI, 82401S (15 February 2012); https://doi.org/10.1117/12.910057

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