Tunable bandpass filters based on one-dimensional bilayer period structure composed of single-negative materials

被引：3
|
作者：
Deng, X. H. [1 ,2 ]
Liu, J. T. [1 ]
Yuan, J. R. [1 ,3 ]
Wang, T. B. [1 ]
Liu, N. H. [4 ]
机构：
[1] Nanchang Univ, Sch Scinece, Nanchang 330031, Peoples R China
[2] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Jiangsu, Peoples R China
[3] Sun Yat Sen Univ, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Guangdong, Peoples R China
[4] Nanchang Univ, Inst Adv Study, Nanchang 330031, Peoples R China
来源：
EUROPEAN PHYSICAL JOURNAL B | 2012年 / 85卷 / 07期
基金：
中国国家自然科学基金;
关键词：
PHOTONIC CRYSTALS; GAPS;
D O I：
10.1140/epjb/e2012-30038-x
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Polarization-independent and omnidirectional tunable bandpass filters have been proposed and demonstrated. It is seen that a bilayer period structure composed of single-negative materials can act as a tunable filter, which can be changed from a filter with two symmetrical passband to one with a single pass bandpass, or from one with a wide to one with a narrow pass band. Moreover, the proposed filter is insensitive to the incident angle and polarization of light, which is an omnidirectional, polarizationin-dependent filter for incidence angles between 0 degrees to 90 degrees.
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收藏
页数：5
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