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  • Scattering in Multilayered Structures: Diffraction from a Nanohole

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    Fernandez-CorbatonPUB1616.pdf (687.9Kb)
    Author
    Fernandez-Corbaton, Ivan
    Tischler, Nora
    Molina-Terriza, Gabriel
    Year published
    2011
    Metadata
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    Abstract
    The spectral expansion of the Green's tensor for a planar multilayered structure allows us to semianalytically obtain the angular spectrum representation of the field scattered by an arbitrary dielectric perturbation present in the structure. In this paper we present a method to find the expansion coefficients of the scattered field, given that the electric field inside the perturbation is available. The method uses a complete set of orthogonal vector wave functions to solve the structure's vector wave equation. In the two semi-infinite bottom and top media, those vector wave functions coincide with the plane-wave basis ...
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    The spectral expansion of the Green's tensor for a planar multilayered structure allows us to semianalytically obtain the angular spectrum representation of the field scattered by an arbitrary dielectric perturbation present in the structure. In this paper we present a method to find the expansion coefficients of the scattered field, given that the electric field inside the perturbation is available. The method uses a complete set of orthogonal vector wave functions to solve the structure's vector wave equation. In the two semi-infinite bottom and top media, those vector wave functions coincide with the plane-wave basis vectors, including both propagating and evanescent components. The technique is used to obtain the complete angular spectrum of the field scattered by a nanohole in a metallic film under Gaussian illumination. We also show how the obtained formalism can easily be extended to spherically and cylindrically multilayered media. In those cases, the expansion coefficients would multiply the spherical and cylindrical vector wave functions.
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    Journal Title
    Physical Review A - Atomic, Molecular, and Optical Physics
    Volume
    84
    Issue
    5
    DOI
    https://doi.org/10.1103/PhysRevA.84.053821
    Copyright Statement
    © 2011 American Physical Society. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Subject
    Classical and Physical Optics
    Publication URI
    http://hdl.handle.net/10072/172504
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    • Journal articles

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