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Proceedings Paper

Effect of interface on the far-field focusing in a two-dimensional honeycomb photonic crystal
Author(s): Ping-Li Yong; Jun-Li Guo; Liang-Kang Xue
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Paper Abstract

The far-field focusing properties of two dimensional photonic crystals based flat lens with rod-type honeycomb lattice are investigated using finite difference time domain (FDTD) method. The results match the wave-beam negative refraction law with relative refractive index of -1. But, the image qualities are limited by low transmission at large incident angles. To improve the image qualities, the effects of interface on the far-field image in a two-dimensional honeycomb photonic crystal are investigated. It is found that the image qualities can be improved by modifying the radius of rod near the surface of photonic crystals slab.

Paper Details

Date Published: 29 August 2008
PDF: 6 pages
Proc. SPIE 7031, Active Photonic Crystals II, 70310L (29 August 2008); doi: 10.1117/12.800905
Show Author Affiliations
Ping-Li Yong, Univ. of Science and Technology of China (China)
Key Lab. of Quantum Information (China)
Jun-Li Guo, Univ. of Science and Technology of China (China)
Institute of Optics and Electronics (China)
Liang-Kang Xue, Univ. of Science and Technology of China (China)


Published in SPIE Proceedings Vol. 7031:
Active Photonic Crystals II
Sharon M. Weiss; Ganapathi S. Subramania; Florencio García-Santamaría, Editor(s)

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