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

Author

Xia, Feng, Yun, Maojin, Liu, Meiling, Liang, Jian, Kong, Weijin, Tan, Huiyue, and Lv, Wei

Subjects
PHOTONIC crystals, NEGATIVE refraction, SIMULATION methods & models, REFRACTION (Optics), RADIATION
Abstract

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. [ABSTRACT FROM AUTHOR]

Published
2013
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