| Periodic dielectric bars assisted enhanced transmission and directional light emission from a single subwavelength slit. | |
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MedLine Citation:
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PMID: 19529174 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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The transmission from a single subwavelength slit in a metal film with periodic dielectric bars on its surfaces has been analyzed numerically by the finite-difference time-domain method. Results show that the role of the periodic dielectric bars is just the same as that of the periodic grooves directly on the surfaces. With the modulations of dielectric bars on the input and output surfaces of the metal film, light transmission through the subwavelength slit is enhanced extraordinarily and confined to directional emission. The CDEW model is employed to explain the mechanism of the transmission enhancement and directional emission caused by the periodic dielectric bars. |
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Authors:
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Zu-Bin Li; Jian-Guo Tian; Wen-Yuan Zhou; Wei-Ping Zang; Chunping Zhang |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Optics express Volume: 14 ISSN: 1094-4087 ISO Abbreviation: Opt Express Publication Date: 2006 Sep |
Date Detail:
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Created Date: 2009-06-16 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101137103 Medline TA: Opt Express Country: United States |
Other Details:
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Languages: eng Pagination: 8037-42 Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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