文档介绍
通过数值方法对线偏光在Littrow装置中的理想导体闪耀光栅的偏振特性进行研究.用时
域有限差分程序计算出任意偏振方向线偏光经过闪耀光栅衍射后的电磁场分布,提取衍射波的S
偏振和P偏振分量,讨论了与光栅闪耀角和入射光波偏振角的关系.分析了在1 530～1 570 nm光
谱范围内,入射光波为线偏振波和园偏振波时,衍射光波的偏振色散特性与光栅闪耀角的关系,并
给出了存在偏振色散的光栅闪耀角范围.这些分析和结果对工程设计具有一定的指导意义.
文档标签:
光学
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