Goos-Hänchen effect for Brillouin light scattering by acoustic phonons

The lateral shift of an optical beam undergoing a Brillouin light scattering on acoustic wave in the total internal reflection geometry is studied theoretically. It is shown that the lateral shift depends on polarization (longitudinal or transversal) of the acoustic wave, as well as on the type of t...

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Bibliographic Details
Published in:arXiv.org 2019-03
Main Authors: Dadoenkova, Yuliya, Dadoenkova, Nataliya, Krawczyk, Maciej, Lyubchanskii, Igor
Format: Article
Language:English
Subjects:
Acoustic waves
Acoustics
Light beams
Light scattering
Microscopes
Phonons
Reflection
Online Access:Get full text
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Summary:The lateral shift of an optical beam undergoing a Brillouin light scattering on acoustic wave in the total internal reflection geometry is studied theoretically. It is shown that the lateral shift depends on polarization (longitudinal or transversal) of the acoustic wave, as well as on the type of the scattering process: direct one, when the scattered wave undergoes a lateral shift at reflection from the interface, and cascading one, when fundamental-frequency light beam is laterally shifted at reflection and then is scattered on the acoustic wave.
ISSN:2331-8422
DOI:10.48550/arxiv.1903.00447