摘要
基于麦克斯韦方程组所要求的电磁场边界条件首次从理论上严格推导得到超薄导电体及其复合多层介质结构光学特性的一般计算方法及其特征矩阵公式,其优点在于只要借助于导电体的电导率而无需知道其介电常数和磁导率即可计算得到反射、透射和吸收等光学特性,克服了传统的传输矩阵方法必需知道组成材料的介电常数和磁导率才能获得其光学性质的问题,并利用此方法获得了石墨烯及其复合多层结构在THz频率范围内反射、透射和吸收等光学行为.
A new characteristics matrix method along with the formulas based on conductivity, which can be used to calculate the optical properties of an ultra-thin conductive composite multilayer dielectric structure, is derived for the first time as faras we know based on the electromagnetic boundary conditions Maxwell＇s equations required. It can be used to calculate the reflection, transmission, and absorption of light, provided that the conductivity of the conductive body is known, also it can overcom the shortcoming of the traditional transfer matrix method, i.e.it is necessary to know the permittivity and permeability of the material. By using the proposed method, the optical behavior of graphene and composite multilayer structures can be obtained in the THz frequency range.
出处
《物理学报》
SCIE
EI
CAS
CSCD
北大核心
2015年第5期363-367,共5页
Acta Physica Sinica
基金
国家自然科学基金(批准号:11364033
61464007和11264029)
江西省自然科学基金(批准号:20122BAB202002)
毫米波国家重点实验室开放课题(批准号:K201216)
江西省博士后科学基金(批准号:2014KY32)资助的课题~~
关键词
电导率特征矩阵
石墨烯
太赫兹
conductivity characteristics matrix, graphene, terahertz
