又称声光效应，声波在透明媒质中传播时，媒质折射率发生空间周期性变化，使通过媒质的光线路径发生改变的现象。
... 声光学 acousto-optics 声光作用 acousto-optic interaction 声学显微镜 acoustic microscope ...
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模式转换效率可化作声波频率、声光作用长度、波导厚度和声波功率密度的函数，并利用数值计算得出结果。
Mode conversion efficiency has been calculated as functions of acoustic frequency, interaction length, guiding layer thickness, and acoustic drive power density.
紧接着从声光调制的原理入手，详细的介绍了拉曼·纳斯衍射和布拉格衍射这两种基本的声光作用并给出其理论模型。
And then based on the theory of the interaction of acoustic wave and optic wave, the Raman-Nath and Bragg diffraction are introduced in detail, of which theoretical model is given.
本文建立了沿不同方向的多个超声波信号作用下的多维声光衍射的耦合波方程，并求出相应的解。
A set of coupled wave equations for multiple dimensional acoustooptic diffraction with multiple acoustic waves along different directions is put forward and its solutions are derived.
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