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99% efficiency measured in the -1st order of a resonant grating

Abstract : A resonant diffraction grating comprising a mirror, a dielectric layer and a high index corrugation at the layer-air interface is shown to exhibit off-Littrow the record diffraction efficiency of 99% in the -1 st reflected order at 1064 nm wavelength thanks to the excitation of a leaky mode of the layer. Such high figure is obtained by a grating 5 to 10 times shallower than in current attempts to realize high efficiency all-dielectric gratings.
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https://hal-ujm.archives-ouvertes.fr/ujm-00122907
Contributor : Nathalie Destouches Connect in order to contact the contributor
Submitted on : Friday, January 5, 2007 - 3:38:25 PM
Last modification on : Saturday, June 25, 2022 - 7:25:08 PM

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  • HAL Id : ujm-00122907, version 1

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Nathalie Destouches, A.V. Tishchenko, J.C. Pommier, S. Reynaud, O. Parriaux, et al.. 99% efficiency measured in the -1st order of a resonant grating. Optics Express, Optical Society of America - OSA Publishing, 2005, 13, pp.3230-3235. ⟨ujm-00122907⟩

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