Negative refraction can make non-diffracting beams | Zendy

M. A. Kaliteevski | Zendy; S. Brand | Zendy; R. A. Abram | Zendy; Andrew J. Gallant | Zendy; J.M. Chamberlain | Zendy

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Negative refraction can make non-diffracting beams

Author(s) -

M. A. Kaliteevski,

S. Brand,

R. A. Abram,

Andrew J. Gallant,

J.M. Chamberlain

Publication year - 2008

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.16.014582

Subject(s) - optics , terahertz radiation , refraction , negative refraction , slab , beam (structure) , refractive index , terahertz spectroscopy and technology , physics , rod , hexagonal crystal system , light beam , medicine , chemistry , alternative medicine , pathology , geophysics , crystallography

We report the results of simulations relating to the illumination of a structure consisting of a slab constructed from a 2-D hexagonal array of metal rods with a terahertz frequency source. As a consequence of negative refraction an essentially non-divergent beam pattern is observed. Although the results presented relate to the terahertz regime they should also be applicable at other frequencies.

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