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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Vol. 16, Iss. 10 — Oct. 1, 1999
  • pp: 2517–2520

Waveguiding in blazed-binary diffractive elements

Philippe Lalanne  »View Author Affiliations

JOSA A, Vol. 16, Issue 10, pp. 2517-2520 (1999)

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Recent experimental and numerical results clearly show that blazed-binary diffractive elements outperform their standard blazed-échelette counterparts in the resonance domain. A theoretical study of one-dimensional blazed-binary gratings shows that the reason for this high efficiency is a waveguiding effect. The electromagnetic study supports the idea that, through waveguiding, a reduction of the shadowing zone is achieved, and thus the efficiency is increased. This is intrinsic to high-frequency binary structures and cannot be achieved with standard échelette diffractive elements.

© 1999 Optical Society of America

OCIS Codes
(050.1380) Diffraction and gratings : Binary optics
(050.1950) Diffraction and gratings : Diffraction gratings
(050.1970) Diffraction and gratings : Diffractive optics

Original Manuscript: December 23, 1998
Manuscript Accepted: May 25, 1999
Published: October 1, 1999

Philippe Lalanne, "Waveguiding in blazed-binary diffractive elements," J. Opt. Soc. Am. A 16, 2517-2520 (1999)

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