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1. 贵州大学 物理系,贵州 贵阳,550025
2. 贵州大学 电子系,贵州 贵阳,550025
收稿日期:2009-08-05,
修回日期:1900-01-02,
网络出版日期:2010-06-30,
纸质出版日期:2010-06-30
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张正仁, 隆正文, 袁玉群. 含负折射率材料的异质结构光子晶体的光学传输特性[J]. 发光学报, 2010,31(3):445-448.
ZHANG Zheng-ren, LONG Zheng-wen, YUAN Yu-qun. Transmission Properties of Photonic Crystal Heterostructure Consisting of Negative Materials[J]. Chinese journal of luminescence, 2010, 31(3): 445-448.
利用传输矩阵法研究了正负折射率材料构成的异质结构光子晶体的光学传输特性。结果表明:当入射波正入射时
在这种异质结构光子晶体内出现了光子带隙
并且带隙内出现了3个极窄的透射峰
这是正负交替光子晶体和常规材料构成的同周期一维异质结构光子晶体所不具有的新颖物理特性。计算了这种异质结构光子晶体的透射谱。发现:这3个透射峰不敏感于入射角的变化
而在带隙两侧的透射峰则会随着入射角增大统一向带隙靠近;能带敏感于晶格厚度和周期数的变化。
Transmission properties of photonic crystal heterostructure consisting of negative materials was stu-died by transfer matrix. The results showed that
as the incident wave at normal incidence
not only a photo-nic gap appears in this kind of photonic crystal heterostructure but also three very narrow transmission peaks appear in this gap. The positive and negative alternating one-dimensional photonic crystal and the same periods of one-dimensional heterostructure photonic crystal
which consists of conventional materials
dont have this characteristic. Transmission spectrum of this kind of photonic crystal was calculated.It was found that the three transmission peaks are insensitive to the angle of incidence
but the transmission peaks on both sides of the gap will move to the gap with the increasing of the incident angles.The energy band is sensitive to the scale length of crystal lattice and the change of the periods number.
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