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液体表面低频声波的非线性声光效应
引用本文:苗润才,滕晓丽,叶青.液体表面低频声波的非线性声光效应[J].光子学报,2003,32(10):1264-1267.
作者姓名:苗润才  滕晓丽  叶青
作者单位:1. 榆林学院物理系,榆林,719000
2. 陕西师范大学物理学与信息技术学院,西安,710062
基金项目:教育部骨干教师基金和重点基金(批准号 :2 0 0 0 6 5和0 2 0 6 8)资助项目
摘    要:实现了液体表面上低频声波的光衍射,得到了稳定的、具有高阶衍射的高反衬衍射图样.理论上首次考虑到表面声波中的高次谐波,得到了相应的非线性条件下衍射强度分布的解析表达式,并将这种非线性理论与实验结果进行对比.对比结果表明,非线性理论与实验结果有更高的吻合程度.

关 键 词:表面声波  声光衍射  非线性
收稿时间:2002/11/27
修稿时间:2002年11月27

Nonlinear Acoustic-optical Effect from Liquid Surface Waves at Low-frequency
Miao Runcai,Teng Xiaoli,Ye Qing.Nonlinear Acoustic-optical Effect from Liquid Surface Waves at Low-frequency[J].Acta Photonica Sinica,2003,32(10):1264-1267.
Authors:Miao Runcai  Teng Xiaoli  Ye Qing
Institution:1. Department of Physics, Yulin College, Yulin 719000;2. Institute of Physics and Information Technology, Shaanxi Normal University, Xi’an 710062
Abstract:Steady and high visible diffraction patterns with higher order maximum from liquid surface acoustic waves at low-frequency were obtained experimentally. Considering the high-order harmonic acoustic waves on liquid surface, the corresponding analytic expression of diffraction intensity pattern under the nonlinear condition was derived and theoretical results were compared with the experimental data. It was shown that they are well agreement.
Keywords:Surface acoustic waves  Acoustic-optical Diffraction  Nonlinear
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