Highly efficient three-level blazed grating in the resonance domain

We designed, fabricated, and characterized three-level transmission gratings in the resonance domain with reduced shadowing losses based on a three-wave interference mechanism. A new technological approach allows for fabrication of homogeneous and large area multilevel gratings without spurious arti...

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Bibliographic Details
Published in:Optics letters 2010-08, Vol.35 (16), p.2774-2776
Main Authors: OLIVA, Maria, MICHAELIS, Dirk, BENKENSTEIN, Tino, DUNKEL, Jens, HARZENDORF, Torsten, MATTHES, Andre, ZEITNER, Uwe D
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Gratings
Optical elements, devices, and systems
Optics
Physics
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Summary:We designed, fabricated, and characterized three-level transmission gratings in the resonance domain with reduced shadowing losses based on a three-wave interference mechanism. A new technological approach allows for fabrication of homogeneous and large area multilevel gratings without spurious artifacts. To our knowledge, the measured efficiency of 86% exhibits the largest value yet reported for a multilevel transmission grating in the resonance domain close to normal incidence.
ISSN:0146-9592
1539-4794
DOI:10.1364/ol.35.002774