亚波长光栅的可见光共振特性研究

被引:3
作者
陈永利 [1 ]
赵达尊 [1 ]
张静方 [2 ]
朱军 [2 ]
王晓利 [2 ]
机构
[1] 北京理工大学信息科学技术学院颜色科学与工程国家专业实验室
[2] 中钞特种防伪科技有限公司
关键词
亚波长光栅; 可见光; 光栅共振; 优化设计;
D O I
10.15918/j.tbit1001-0645.2007.06.013
中图分类号
O436.1 [干涉与衍射];
学科分类号
摘要
研究亚波长光栅的可见光共振特性.分析了光栅共振的基本原理.基于严格矢量衍射理论给出了不同光栅参量(如光栅周期、填充因数、光栅深度、光栅材料等)的优化设计图,定量得出了各参量控制光栅共振特性(共振波长和半峰全宽)的一般规律,共振波长与光栅周期成比例.共振半峰全宽值主要依赖于光栅调制系数和波导光栅对导模的限制程度,填充因数和光栅深度也对其有一定的影响,为新型防伪光栅设备的开发提供了理论依据.
引用
收藏
页码:527 / 531
页数:5
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