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Issue 30, 2017
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Design and characterization of a plasmonic Doppler grating for azimuthal angle-resolved surface plasmon resonances

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Abstract

We present a two-dimensional plasmonic Doppler grating (PDG) for broadband and azimuthal angle-resolved nanophotonic applications. The PDG consists of a set of non-concentric circular rings mimicking the wavefronts of a moving point source that exhibits the Doppler effect and thereby offers a continuous azimuthal angle-dependent lattice momentum for photon–plasmon coupling. The center and span of the working frequency window are fully designable for optimal performance in specific applications. We detail the design, fabrication and optical characterization of the PDG. The design of the Doppler grating provides a general platform for in-plane angle-resolved nanophotonic applications.

Graphical abstract: Design and characterization of a plasmonic Doppler grating for azimuthal angle-resolved surface plasmon resonances

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Publication details

The article was received on 01 Mar 2017, accepted on 22 Jun 2017 and first published on 23 Jun 2017


Article type: Paper
DOI: 10.1039/C7NR01509G
Citation: Nanoscale, 2017,9, 10811-10819
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    Design and characterization of a plasmonic Doppler grating for azimuthal angle-resolved surface plasmon resonances

    K. See, F. Lin and J. Huang, Nanoscale, 2017, 9, 10811
    DOI: 10.1039/C7NR01509G

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