发光学报, 2019, 40 (11): 1394, 网络出版: 2019-11-28   

基于石墨烯和一维光子晶体复合结构实现可见光全波段吸收器

Design of Absorber at Visible Frequencies Based on Compound Structure of One-dimensional Photonic Crystal and Graphene
作者单位
1 常州工业职业技术学院 信息工程与技术学院, 江苏 常州 213164
2 江苏大学 计算机科学与通信工程学院, 江苏 镇江 212013
摘要
为了实现可见光全波段光波吸收器, 设计了石墨烯和一维光子晶体的复合结构。用修正的传输矩阵法研究它的传输特性。通过参数的优化和设计级联结构, 在正入射条件下该结构在整个可见光波段除两个个别频率吸收率为0.7和0.66外, 其余吸收率均达到0.88。结构的吸收还具有对入射角度不敏感的特征。
Abstract
In order to achieve an optical absorber working in the whole visible frequencies, we design a one-dimensional photonic crystal embedded by graphene layers. We study its propagation characteristic through the modified transfer matrix method. Through the parameter optimization and cascade structures, the structure can achieve the absorption rate 0.88 in the whole visible frequencies except for two special frequencies on normal incidence. The absorber is also found to be insensitive to the incidence angle.
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朱宇光, 方云团. 基于石墨烯和一维光子晶体复合结构实现可见光全波段吸收器[J]. 发光学报, 2019, 40(11): 1394. ZHU Yu-guang, FANG Yun-tuan. Design of Absorber at Visible Frequencies Based on Compound Structure of One-dimensional Photonic Crystal and Graphene[J]. Chinese Journal of Luminescence, 2019, 40(11): 1394.

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