First, the properties of volume holographic grating, such as diffraction efficiencies, Angle and wavelength selectivity, have been theoretically analyzed by using the couple-wave theory.
首先应用耦合波理论对体全息光栅的衍射效率以及角度选择性和波长选择性等衍射特性进行了分析。
With the help of grating model, the important structure parameters of grating are obtained, and absolute diffraction efficiencies for these gratings are calculated and discussed.
借助于光栅模型，得到了光栅的重要结构参数，并对光栅的绝对衍射效率进行了模拟计算和讨论。
This method is applied to calculate the diffraction efficiencies accurately for arbitrary grating profiles, incident angles, substrate indexes and wavelengths in the same order of grating period.
这种方法适用于光栅周期处于波长量级、任意光栅轮廓及倾斜入射时的精确衍射效率计算。
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