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Negative refraction and the spectral filtering of terahertz radiation by a photonic crystal prism.

Swift, G.P. and Gallant, A.J. and Kaliteevskaya, N. and Kaliteevski, M.A. and Brand, S. and Dai, D. and Baragwanath, A.J. and Iorsh, I. and Abram, R.A. and Chamberlain, J.M. (2011) 'Negative refraction and the spectral filtering of terahertz radiation by a photonic crystal prism.', Optics letters., 36 (9). pp. 1641-1643.

Abstract

We demonstrate how micromachined photonic crystals can be used to negatively refract terahertz frequency light. The photonic crystals, which are constructed from conventional dielectric materials, manipulate the incident beam via interaction with their photonic bands. Consequently, we show that different components of a broadband beam incident on the structure may be positively or negatively refracted, depending upon its frequency and that the structure can be used as an effective spectral filter of THz radiation.

Item Type:Article
Keywords:Technology, Lens.
Full text:PDF - Published Version (356Kb)
Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1364/OL.36.001641
Publisher statement:© 2011 The Optical Society. This paper was published in Optics letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://dx.doi.org/10.1364/OL.36.001641. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
Record Created:07 Jun 2011 09:35
Last Modified:09 Jun 2011 10:20

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