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Article Dans Une Revue Applied Physics Letters Année : 2010

Interface engineering for improved light transmittance through photonic crystal flat lenses

Résumé

In this paper, we present photonic crystal flat lenses with interfaces engineered to improve the light transmittance thanks to a broad angles impedance matching. The interface engineering consists in the realization of antireflection gratings on the edges of the lenses which are designed to reduce the propagative waves reflectivity over a wide range of incident angles. The fabricated structures were measured in optical near-field and a four times enhancement of the light transmission efficiency is reported.
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hal-00548691 , version 1 (30-05-2022)

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G. Scherrer, M. Hofman, W. Smigaj, B. Gralak, X. Melique, et al.. Interface engineering for improved light transmittance through photonic crystal flat lenses. Applied Physics Letters, 2010, 97 (7), pp.0711197. ⟨10.1063/1.3473760⟩. ⟨hal-00548691⟩
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