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Opt Lett. 2004 Jul 15;29(14):1593-5.

Broadband blazing with artificial dielectrics.

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  • 1Laboratoire Charles Fabry de l'Institut d'Optique, Centre National de la Recherche Scientifique, Orsay Cedex, France. christophe.sauvan@iota.u-psud.fr

Abstract

The efficiency of conventional diffractive optical elements with ├ęchelette-type profiles drops rapidly as the illumination wavelength departs from the blaze wavelength. We use high dispersion of artificial materials to synthesize diffractive optical elements that are blazed over a broad spectral range (approximately 1 octave) or for two different wavelengths.

PMID:
15309829
[PubMed]
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