变换光学级联一维光子晶体宽带全向反射镜及其构建方法

By constructing a transformation optics cascaded one-dimensional photonic crystal broadband omnidirectional mirror, and utilizing the longitudinal spatial compression transformation of the medium material, the problems of reflection bandwidth expansion and optical path integration in the prior art are solved, realizing the thinning of the mirror and a high-performance optical system.

CN119355952BActive Publication Date: 2026-07-17NANJING UNIV OF INFORMATION SCI & TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NANJING UNIV OF INFORMATION SCI & TECH
Filing Date
2024-09-23
Publication Date
2026-07-17

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Abstract

本发明公开变换光学级联一维光子晶体宽带全向反射镜及其构建方法，属于光学技术领域；方法包括：利用介质Ai和介质Bi构建原始一维光子晶体全向反射镜；对多个相同材料的单级结构级联，构建原始级联一维光子晶体全向反射镜；确定压缩系数a；根据介质Ai和介质Bi的特性参数和a，计算构成变换光学级联一维光子晶体宽带全向反射镜所需的介质A'i和介质B'i的特性参数；根据介质A'i和介质B'i的特性参数，确定介质A'i和介质B'i的材料，利用介质A'i和介质B'i构建变换光学级联一维光子晶体宽带全向反射镜，与原始级联一维光子晶体全向反射镜相比，同时增加全向反射带宽和减小厚度的优势，在提高光学系统光学性能的同时，并实现系统小型化和集成化。
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