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河池学院 物理与电子工程系, 广西 宜州,546300
收稿日期:2009-11-25,
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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苏 安, 张 宁. 单负材料一维光子晶体的透射谱特性[J]. 发光学报, 2010,31(3):439-444.
SU An, ZHANG Ning. Transmission Spectrum Characteristics of Single-negative Materials with One-dimensional Photonic Crystal[J]. Chinese journal of luminescence, 2010, 31(3): 439-444.
利用传输矩阵法研究了单负材料一维光子晶体(AB)
m
(ADBDB)
n
(AB)
m
A的透射谱
发现:透射谱中出现2个共振隧穿模
其位置和间距可由周期数m或n
以及介质层厚度d调节控制。改变m
会出现2个恒定间距的共振隧穿模;改变d
A
共振隧穿模间距增大
且当d
A
≥25 mm时
间距增大加剧;改变n
共振隧穿模逐渐趋于简并
当n≥6时
两隧穿模合二为一;改变d
D
两共振隧穿模亦逐渐趋于简并
当d
D
≥20 mm时
两隧穿模亦合二为一。这些特性可为利用光子晶体设计可调性高品质单通道、双通道滤波器提供参考。
By means of the transfer matrix method
transmission spectra characteristics of single-negative materials with one-dimensional photonic crystal (AB)
m
(ADBDB)
n
(AB)
m
A was researched
and the results showed that the location and space of two resonant tunneling modes can be adjustably controlled by the number of period m or n
and the thickness d of medium layers. Changing m
two resonant tunneling modes of constant space show up; changing d
A
the space of them increases
and the space increases more severely when d
A
≥25 mm;changing n
the two resonant tunneling modes tend to degenerate and become one unit when n≥6; changing d
D
they tend to degenerate and become one unit when d
D
≥20 mm. These characteristics can provide references for designing the adjustable high-quality single-channel and double-channel filters.
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