Self-collimation and subwavelength imaging in two-dimensional photonic crystal

被引：0
|
作者：
Huang Pin-Bo [1 ]
Zou Wen-Dong [1 ]
机构：
[1] Nanchang Hangkong Univ, Key Lab Nondestruct Test, Minist Educ, Nanchang 330063, Peoples R China
来源：
JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS | 2011年 / 13卷 / 2-4期
关键词：
Photonic crustal; Self-collimation; FDTD method;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Self-collimation and near-field subwavelength imaging in 2D air-cylinder photonic crystals are dicussed by finited-difference time-domain (FDTD) method. The investigation shows using the equal-frequency surface, self-collimation frequency range can be confirmed and self-collimation phenomenon of point source along different axis is simulated. It is also able to reproduce the details of subwavelength in the image plane by virtue of self-collimation rather than negative refraction. The resolution of 0.416 lambda is obtained for single pointed source and decrease as the light gradually away from near field.
引用
收藏
页码：327 / 330
页数：4
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