Metasurfaces, dark modes, and high NA illumination

Wesemann, L, Achmari, P, Singh, K, Panchenko, E, James, T, Gomez, D, Davis, T and Roberts, A 2018, 'Metasurfaces, dark modes, and high NA illumination', OSA Continuum, vol. 1, no. 2, pp. 727-735.


Document type: Journal Article
Collection: Journal Articles

Title Metasurfaces, dark modes, and high NA illumination
Author(s) Wesemann, L
Achmari, P
Singh, K
Panchenko, E
James, T
Gomez, D
Davis, T
Roberts, A
Year 2018
Journal name OSA Continuum
Volume number 1
Issue number 2
Start page 727
End page 735
Total pages 9
Publisher Optical Society of America
Abstract The interaction of a focused beam with a metasurface supporting dark modes is investigated. We show computationally and experimentally that the excitation of dark modes is accompanied by characteristic changes in the reflected Fourier spectrum. This spatial frequency filtering capability indicates an avenue for the all-optical, on-chip detection of phase gradients for biological and other imaging techniques.
Subject Physical Chemistry of Materials
Nanofabrication, Growth and Self Assembly
Nanomaterials
Keyword(s) resonances
light
DOI - identifier 10.1364/OSAC.1.000727
Copyright notice © 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement Attribution 4.0 International (CC BY 4.0)
ISSN 2578-7519
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