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Journal Articles Optics Express Year : 2005

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

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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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Dates and versions

ujm-00122907 , version 1 (05-01-2007)

Identifiers

  • HAL Id : ujm-00122907 , version 1

Cite

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, 2005, 13, pp.3230-3235. ⟨ujm-00122907⟩
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