Broadband super-resolving lens with high transparency in the visible range
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Date
2007-11-21
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Citation of Original Publication
D'Aguanno, Giuseppe; et al.; Broadband super-resolving lens with high transparency in the visible range; 2007 European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference; https://ieeexplore.ieee.org/document/4386616
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Public Domain Mark 1.0
This work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
Public Domain Mark 1.0
This work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
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Abstract
Since the introduction of the metallo-dielectric superlens there have been numerous attempts to design structures with high transmittance for the evanescent waves. The structure we examine is a 1-dimensional metallo-dielectric photonic crystal (1-D MDPC) based on Ag/GaP. Here we compare 3 geometries, a periodic MDPC [6 periods of Ag/GaP (22 nm/35 nm)], a symmetric MDPC [5.5 periods of Ag/GaP (22 nm/35 nm)], and a transparent metal MDPC [5.5 periods of Ag/Gap (22 nm/35 nm) with 17 nm thick GaP antireflection (AR) coatings on the entrance and exit faces].