Waveguiding enhances the diffraction efficiency of blazed-binary diffractive elements

Philippe Lalanne; Pierre H. Chavel; Edmond Cambril; Huguette Launois

doi:10.1117/12.354796

19 July 1999 Waveguiding enhances the diffraction efficiency of blazed-binary diffractive elements

Philippe Lalanne, Pierre H. Chavel, Edmond Cambril, Huguette Launois

Proceedings Volume 3749, 18th Congress of the International Commission for Optics; (1999) https://doi.org/10.1117/12.354796
Event: ICO XVIII 18th Congress of the International Commission for Optics, 1999, San Francisco, CA, United States

Abstract

Recent experimental and numerical results clearly evidence that blazed-binary diffractive elements outperform their standard blazed-echelette counterparts in the resonance domain. A theoretical study of 1D blazed-binary gratings shows that the reason for this high efficiency is a waveguiding effect in the subwavelength features. The outcome is a reduction of the shadowing zone.

Citation Download Citation

Philippe Lalanne, Pierre H. Chavel, Edmond Cambril, and Huguette Launois "Waveguiding enhances the diffraction efficiency of blazed-binary diffractive elements", Proc. SPIE 3749, 18th Congress of the International Commission for Optics, (19 July 1999); https://doi.org/10.1117/12.354796

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