Negative refraction and subwavelength imaging in a hexagonal two-dimensional annular photonic crystal

被引：13
|
作者：
Xia, Feng
Yun, Maojin [1 ]
Liu, Meiling
Liang, Jian
Kong, Weijin
Tan, Huiyue
Lv, Wei
机构：
[1] Qingdao Univ, Coll Phys Sci, Qingdao 266071, Peoples R China
来源：
JOURNAL OF APPLIED PHYSICS | 2013年 / 113卷 / 01期
基金：
中国国家自然科学基金;
关键词：
BAND; SLAB;
D O I：
10.1063/1.4773338
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Negative refraction in a hexagonal two-dimensional (2D) annular photonic crystal (APC) has been studied. The photonic band structure and equal frequency contours of the designed APC are analyzed using the plane wave expansion method, and the subwavelength imaging is simulated using finite-difference time-domain method. Numerical simulation results indicate that negative refraction and subwavelength imaging can be realized in the designed APC. The resolution of the designed APC slab is better than the radiation wavelength. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4773338]
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页数：4
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