可调谐一维三元磁化等离子体光子晶体禁带特性研究

核聚变与等离子体物理 ›› 2012, Vol. 32 ›› Issue (2): 133-139.

可调谐一维三元磁化等离子体光子晶体禁带特性研究

章海锋1, 2，郑建平2，朱荣军2

(1. 南京航空航天大学电子信息工程学院，南京 210016；2. 中国人民解放军南京炮兵学院，南京 211132)

收稿日期:2011-08-19 修回日期:2011-11-18 出版日期:2012-06-15 发布日期:2011-06-14
作者简介:章海锋(1978-)，男，江西省南昌市人，研究方向为计算电磁学、等离子体物理、微波毫米波天线。
基金资助:
江苏省普通高校研究生科研创新计划资助项目(CXZZ11_0211)和(CXZZ11_0210)

Study on the properties of tunable prohibited band gaps for one-dimensional ternary magnetized plasma photonic crystals

ZHANG Hai-feng, ZHENG Jian-ping, ZHU Rong-jun

(1. College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016; 2. Nanjing Artillery Academy of the Chinese People's Liberation Army, Nanjing 211132)

Received:2011-08-19 Revised:2011-11-18 Online:2012-06-15 Published:2011-06-14

摘要/Abstract

摘要：

在理想条件下，为了研究等离子体参数、填充率、入射角度和介质层相对介电常数对一维三元磁化等离子体光子晶体的禁带特性的影响，用由传输矩阵法计算得到的TE波任意角度入射时的左旋极化波(LCP)和右旋极化波(RCP)的透射系数来研究其禁带特性。结果表明，仅增加等离子体碰撞频率不能实现禁带宽度的拓展，改变等离子体频率、填充率和介质层的相对介电常数能实现对禁带宽度和数目的调谐。改变等离子体回旋频率能实现对右旋极化波的禁带的调谐，但对左旋极化波的禁带几乎无影响。入射角度的增大使得禁带低频区域带宽变大，而高频区域带宽则是将先减小再增大。

关键词: 光子晶体, 磁化等离子体, 传输矩阵法, 禁带

Abstract:

The transfer matrix method was applied to study on the properties of tunable prohibited band gaps for one-dimensional ternary magnetized plasma photonic crystals with TE wave arbitrary incident under ideal conditions. TE wave would be divided into left-handed circularly polarized wave and right-handed circularly polarized wave after propagation through one-dimensional ternary magnetized plasma photonic crystals. The calculated transmission coefficients were used to analyze the effects of parameter of plasma, plasma filling factor, incident angle and relative dielectric constant for dielectric layer on the properties of tunable prohibited band gap. The results illustrate that the width of band gaps can not be broadened by increasing plasma collision frequency, the numbers and width of band gaps can be tuned by changing plasma frequency, plasma filling factor and relative dielectric constant for dielectric layer. The band gaps for right-handed circularly polarized wave can be tuned by the plasma gyro frequency, but band gaps for the left-handed circularly polarized wave can’t influenced. Low-frequency region of band gaps will be broadened, while high-frequency region of band gaps will be firstly narrow and then broaden with increasing incident angle.

Key words: Photonic crystals, Magnetized plasma, Transfer matrix method, Prohibited band gap

中图分类号:

O431.1

章海锋1, 2，郑建平2，朱荣军2. 可调谐一维三元磁化等离子体光子晶体禁带特性研究[J]. 核聚变与等离子体物理, 2012, 32(2): 133-139.

ZHANG Hai-feng, ZHENG Jian-ping, ZHU Rong-jun. Study on the properties of tunable prohibited band gaps for one-dimensional ternary magnetized plasma photonic crystals[J]. NUCLEAR FUSION AND PLASMA PHYSICS, 2012, 32(2): 133-139.

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