Collimations and negative refractions by slabs of 2D photonic crystals with periodically-aligned tube-type air holes | Zendy

Hao Zhang | Zendy; Heyuan Zhu | Zendy; Liejia Qian | Zendy; Dianyuan Fan | Zendy

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Collimations and negative refractions by slabs of 2D photonic crystals with periodically-aligned tube-type air holes

Author(s) -

Hao Zhang,

Heyuan Zhu,

Liejia Qian,

Dianyuan Fan

Publication year - 2007

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.15.003519

Subject(s) - optics , negative refraction , refraction , finite difference time domain method , collimated light , tube (container) , photonic crystal , total internal reflection , range (aeronautics) , materials science , refractive index , physics , laser , composite material

The FDTD method was applied to investigate the two-dimensional PhC slabs with periodically-aligned tube-type air holes. By numerical simulations, we found negative refraction behaviors by tuning the incident angle into the narrow negative-refraction angle range, and the collimation effects were analyzed by means of wave vector diagrams.

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