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Goos-Hanchen effect for Brillouin light scattering by acoustic phonons

机译:Goos-hanchen对声子石的布里渊光散射的影响

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摘要

The lateral shift of an optical beam undergoing Brillouin light scattering on an acoustic wave (AW) in the total internal reflection geometry is studied theoretically. It is shown that the lateral shift depends on polarization (longitudinal or transversal) of the AW, as well as on the type of scattering process: a direct one, when the scattered wave undergoes a lateral shift at reflection from the interface, or a cascading one, when a fundamental frequency light beam is laterally shifted at reflection and then scattered on the AW. (C) 2018 Optical Society of America
机译:在理论上,研究了在总内反射几何形状的声波(AW)上进行布里渊光散射的光束的横向偏移。 结果表明,横向偏移取决于AW的偏振(纵向或横向),以及在散射波在界面反射的反射横向移位时,直接散射过程:直接的 一个,当基本频率光束横向移位时,然后在AW上散落。 (c)2018年光学学会

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