Waveguiding in blazed-binary diffractive elements

Authors
Citation
P. Lalanne, Waveguiding in blazed-binary diffractive elements, J OPT SOC A, 16(10), 1999, pp. 2517-2520
Citations number
7
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science","Optics & Acoustics
Journal title
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION
ISSN journal
10847529 → ACNP
Volume
16
Issue
10
Year of publication
1999
Pages
2517 - 2520
Database
ISI
SICI code
1084-7529(199910)16:10<2517:WIBDE>2.0.ZU;2-8
Abstract
Recent experimental and numerical results clearly show that blazed-binary d iffractive elements outperform their standard blazed-echelette counterparts in the resonance domain. A theoretical study of one-dimensional blazed-bin ary gratings shows that the reason for this high efficiency is a waveguidin g effect. The electromagnetic study supports the idea that, through wavegui ding, a reduction of the shadowing zone is achieved, and thus the efficienc y is increased. This is intrinsic to high-frequency binary structures and c annot be achieved with standard echelette diffractive elements. (C) 1999 Op tical Society of America [S0740-3232(99)00410-X].