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High-efficiency continuous surface-relief gratings for two-dimensional array generation.

作者信息

Ehbets P, Herzig H P, Prongué D, Gale M T

出版信息

Opt Lett. 1992 Jul 1;17(13):908-10. doi: 10.1364/ol.17.000908.

DOI:10.1364/ol.17.000908
PMID:19794669
Abstract

Continuous surface-relief phase gratings for two-dimensional (2-D) array generation have been realized by laser-beam writing lithography. For a 9 x 9 fan-out element, a diffraction efficiency of 94% and a uniformity of better than +/-8% have been achieved. These are, to our knowledge, the best published results for 2-D surface relief fan-out elements. Separable and nonseparable solutions for the design of 2-D fan-out elements are discussed.

摘要

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