| General mechanism involved in subwavelength optics of conducting microstructures: charge-oscillation-induced light emission and interference. | |
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MedLine Citation:
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PMID: 20360814 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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Interactions between light and conducting microstructures or nanostructures can result in a variety of novel phenomena, but their underlying mechanisms have not been completely understood. From calculations of surface charge density waves on conducting gratings and by comparing them with classical surface plasmons, we revealed a general yet concrete picture regarding the coupling of light to free electron oscillation on structured conducting surfaces that can lead to oscillating subwavelength charge patterns (i.e., structured surface plasmons). New wavelets emitted from these light sources then destructively interfere to form evanescent waves. This principle, usually combined with other mechanisms, is mainly a geometrical effect that can be universally involved in light scattering from all periodic and non-periodic structures containing free electrons. This picture may provide clear guidelines for developing conductor-based nano-optical devices. |
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Authors:
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Xian-Rong Huang; Ru-Wen Peng |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of the Optical Society of America. A, Optics, image science, and vision Volume: 27 ISSN: 1520-8532 ISO Abbreviation: J Opt Soc Am A Opt Image Sci Vis Publication Date: 2010 Apr |
Date Detail:
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Created Date: 2010-04-02 Completed Date: 2010-06-23 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9800943 Medline TA: J Opt Soc Am A Opt Image Sci Vis Country: United States |
Other Details:
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Languages: eng Pagination: 718-29 Citation Subset: - |
Affiliation:
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National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York 11973, USA. xiahuang@aps.anl.gov |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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