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Phase retarder based on one-dimensional photonic crystals composed of plasma and mu-negative materials

机译：基于由等离子体和mu负材料组成的一维光子晶体的相位延迟器

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摘要

By using transfer matrix method, a systematic study on the properties of the reflection phase shifts and the reflection phase difference between TE and TM waves in a finite one-dimensional (1D) photonic crystal containing plasma and mu-negative materials is presented. It is found that the reflection phase difference between the two polarizations remains constant in a rather wide frequency range for a given incident angle. More specifically, the reflection phase difference increases gradually from 0 to pi rad with the increase of the incident angle. That is to say, the finite 1D structure can serve as a broadband phase retarder. It is also evident that the working frequency range of the phase retarder can be adjusted by altering the plasma frequency and the thickness of the plasma layers without changing the structure of the photonic crystal. (C) 2015 AIP Publishing LLC.
机译：通过使用转移矩阵方法，对包含等离子体和mu负材料的有限一维（1D）光子晶体中TE和TM波之间的反射相移和反射相差的特性进行了系统的研究。已经发现，对于给定的入射角，两个偏振之间的反射相位差在相当宽的频率范围内保持恒定。更具体地，随着入射角的增加，反射相位差从0逐渐增加到pirad。也就是说，有限的一维结构可以用作宽带相位延迟器。同样明显的是，可以通过改变等离子体频率和等离子体层的厚度来调节相位延迟器的工作频率范围，而不改变光子晶体的结构。 （C）2015 AIP Publishing LLC。

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