各向异性折射在副卫星晶体声光器件中的应用

2020 Wave Electronics and its Application in Information and Telecommunication Systems (WECONF) Pub Date : 2020-06-01 DOI:10.1109/WECONF48837.2020.9131450

N. Polikarpova

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引用次数: 0

摘要

研究了铌酸锂-副卫星界面处晶体中弹性波的折射。结果表明，折射产生两种声波，其中一种声波相对于入射波的初始方向具有“负”折射，而另一种声波则具有法向。在研究方案中，我们详细计算了弹性波的所有性质，包括方向、极化、发散角的计算。本文给出了利用各向异性介质中不寻常折射几何特性的声光器件的结构。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Application of Anisotropic Refraction in the Acousto- Optic Devices Based on Paratellurite Crystal

The refraction of elastic waves in crystals at the lithium niobate – paratellurite interface is examined. It is shown that refraction generates two acoustic waves: one of them posseses "negative" refraction with respect to the initial incident wave direction while the second one has normal orientation. We present detailed calculations of all properties of elastic waves in the studing scheme, including directions, polarizations, walkoff angles are calculated. The configuration of an acousto-optical device using the geometry of unusual refraction in an anisotropic medium is shown.

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2020 Wave Electronics and its Application in Information and Telecommunication Systems (WECONF)

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