激光与光电子学进展, 2014, 51 (1): 012205, 网络出版: 2013-12-20   

基于近零折射率材料准直和分光器件的设计

Design of Collimator and Optical Splitter Based on Near-Zero-Index Materials
作者单位
1 南京理工大学自动化学院, 江苏 南京 210094
2 常州工学院计算机信息工程学院, 江苏 常州 213002
3 江苏大学计算机科学与通信工程学院, 江苏 镇江 212013
摘要
由于零折射率介质对于自由空间来说具有零相移和阻抗匹配的特性,因而可以用来控制电磁辐射模式。设计了新型的准直和分光器件结构,该器件建立在近零折射率材料基础上。该结构能实现将散射光转化成准直光束及分光的功能,分光束数、光束宽度和光束方向可以精确控制。仿真结果表明设计的结构具有完美的性能。
Abstract
Due to the zero phase variation and impedance matching to free space, zero-index material is used to control the electromagnetic radiation patterns. We design a new type collimator and optical splitter structure based on near-zero-index material. Such structures can implement the beam transformation from cylindrical wave to parallel wave and optical splitting. The numbers of the splitting beams,the width and the direction of the beams can be correctly tailored. All the simulation results show that our designs have perfect performance.
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朱宇光, 方云团, 胡维礼. 基于近零折射率材料准直和分光器件的设计[J]. 激光与光电子学进展, 2014, 51(1): 012205. Zhu Yuguang, Fang Yuntuan, Hu Weili. Design of Collimator and Optical Splitter Based on Near-Zero-Index Materials[J]. Laser & Optoelectronics Progress, 2014, 51(1): 012205.

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