平面波在双负和双正参数媒质界面的反射与折射

Reflection and refraction of a plane wave at the interface ofdouble negative and double positive media

研究了平面波在均匀无耗的、各向同性的、介电常数和磁导率同时为正和同时为负的媒质界面的反射与折射。理论分析了反射波和透射波在两种媒质中的传播特性,从而解释了负折射发生的原理。还给出了反射系数和透射系数的表达式。讨论了发生全反射和全折射的可能条件。

The reflection and refraction of a plane wave is studied at the interface of a medium with simultaneously positive permittivity and permeability and a medium of simultaneously negative permittivity and permeability. The two kinds of media are supposed to be homogeneous, lossless and isotropic in this paper. The analysis shows the propagation of the reflected and refracted waves in the two media and explains the negative refraction effect. The reflection and transmission coefficients are given also. The special cases of total reflection and total refraction are discussed finally.