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传输矩阵法探究一维光子晶体特性

发表时间:2010-02-15  浏览量:1671  下载量:893
全部作者: 郭丽丽,李学帅,沈虹君
作者单位: 宁夏大学物理电器信息学院;江西理工大学材料与化学工程学院
摘 要: 利用传输矩阵法计算了一维光子晶体的光子带隙结构,分析了有限周期一维光子晶体的反射率(透射率)及有缺陷的有限周期一维光子晶体的反射率(透射率),并讨论了它们的色散关系。研究了光在一维周期性介电材料中的传播特性,最后通过在多层膜中引入掺杂(中间一层被另一种介质所代替),得到第一能隙中掺杂模式的频率与掺杂材料的介电常数之间的对应关系,由此提出一种精确测量介质介电常数的方法,并发现了带隙和介电常数的变化关系。
关 键 词: 光子晶体;传输矩阵法;光子带隙;反射率;透射率
Title: Transfer matrix method for analyzing the character of one dimensional photonic crystals
Author: GUO Lili, LI Xueshuai, SHEN Hongjun
Organization: School of Physics and Electrical Information Engineering, Ningxia University;School of Material and Chemistry Engineering, Jiangxi University of Science and Technology
Abstract: The band-gap structure of one dimensional photonic crystals is calculated with a transfer matrix method. Reflectivity (transmittance) of one dimensional photonic crystals is analyzed in finite period and that with defect mode and dispersion is also discussed. The properties of light propagation in 1D periodic dielectric structure are discussed, and a new method to accurately measure dielectric index by detecting the defect frequency in one dimensional doped photonic crystal is suggested. It is important to find out the relationship between the band gap and the dielectric constant.
Key words: photonic crystals; transfer matrix method; band-gap of photonic; reflectivity; transmittance
发表期数: 2010年2月第3期
引用格式: 郭丽丽,李学帅,沈虹君. 传输矩阵法探究一维光子晶体特性[J]. 中国科技论文在线精品论文,2010,3(3):243-249.
 
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