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Issue 2, 2017
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Nanofocusing of circularly polarized Bessel-type plasmon polaritons with hyperbolic metamaterials

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Abstract

A miniature evanescent Bessel beam generator is realized by utilizing the combination of metasurfaces based on a concentric grating and hyperbolic metamaterials composed of alternate metal/dielectric multilayers. After introducing the plasmonic cavity lens, the feature size could be compressed to 62 nm (0.17λ0) at the wavelength of 365 nm with a working distance as large as 100 nm. The theoretical models are verified by a set of experiments, providing a promising way to control light at the nanoscale.

Graphical abstract: Nanofocusing of circularly polarized Bessel-type plasmon polaritons with hyperbolic metamaterials

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Publication details

The article was received on 28 Nov 2016, accepted on 25 Jan 2017 and first published on 25 Jan 2017


Article type: Communication
DOI: 10.1039/C6MH00535G
Citation: Mater. Horiz., 2017,4, 290-296

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    Nanofocusing of circularly polarized Bessel-type plasmon polaritons with hyperbolic metamaterials

    L. Liu, P. Gao, K. Liu, W. Kong, Z. Zhao, M. Pu, C. Wang and X. Luo, Mater. Horiz., 2017, 4, 290
    DOI: 10.1039/C6MH00535G

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