In this dissertation, the characteristics of triangular surface-relief subwavelength grating are analyzed by using Effective-medium theory and vector diffraction theory, and we compare the results.
本文运用等效介质法和矢量衍射理论对三角形面形亚波长光栅作了研究分析，并进行了比较。
参考来源 - 三角形面形亚波长光栅的衍射特性研究Diffractive optical elements with subwavelength grating structures have been a subject of great interest in binary optics for many years.
具有亚波长光栅结构的衍射光学元件一直以来都是二元光学领域的一个研究热点。
参考来源 - 亚波长光学元件的特性及应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
An approximate equivalent coefficient for two-dimensional sub wavelength was obtained with the related expressions of grating structure.
构造了一种分析方法，然后利用光栅结构的有关表达式得到这种二维结构的近似等效系数。
Describe how to use Jones calculus to describe the sub-wavelength period grating and the formula for representation of sub-wavelength period grating's impact on the phase of light.
介绍了怎样用琼斯算法来描述亚波长周期光栅，以及亚波长周期光栅对光波的相位造成影响的公式表示形式。
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