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Proceedings Paper

Metal-dielectric resonances in tip silicon metasurface and SERS based nanosensors
Author(s): Andrey K. Sarychev; Andrey N. Lagarkov; Andrey V. Ivanov; Irina A. Boginskaya; Igor V. Bykov; Iliya A. Ryzhikov; Marina V. Sedova; Alexander V. Vaskin; Ilya N. Kurochkin; Ilya A. Rodionov; Dmitriy V. Negrov
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Paper Abstract

Optical properties of two-dimensional periodic systems of the dielectric micro bars and micro cones are investigated. Computer simulations as well as real experiment reveal anomalous optical response of the dielectric metasurface due to excitation of the dielectric and metal-dielectric resonances, which are excited in-between metal nanoparticles and dielectric cones and bars. In the metal-dielectric resonance local electric field can be orders on magnitude larger than the field in the plasmon resonance only. To investigate local electric field the signal molecules were deposited on the metal nanoparticles. We demonstrate the enhancement of the electro- magnetic field by detecting the Raman signal from the of organic acid molecules deposited on the investigated metasurface.

Paper Details

Date Published: 24 October 2017
PDF: 15 pages
Proc. SPIE 10346, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XV, 103460C (24 October 2017); doi: 10.1117/12.2273097
Show Author Affiliations
Andrey K. Sarychev, Institute for Theoretical and Applied Electrodynamics (Russian Federation)
Andrey N. Lagarkov, Institute for Theoretical and Applied Electrodynamics (Russian Federation)
Andrey V. Ivanov, Institute for Theoretical and Applied Electrodynamics (Russian Federation)
Irina A. Boginskaya, Institute for Theoretical and Applied Electrodynamics (Russian Federation)
Igor V. Bykov, Institute for Theoretical and Applied Electrodynamics (Russian Federation)
Iliya A. Ryzhikov, Institute for Theoretical and Applied Electrodynamics (Russian Federation)
Marina V. Sedova, Institute for Theoretical and Applied Electrodynamics (Russian Federation)
Alexander V. Vaskin, Institute for Theoretical and Applied Electrodynamics (Russian Federation)
Ilya N. Kurochkin, N.M. Emanuel Institute of Biochemical Physics (Russian Federation)
Moscow State Univ. (Russian Federation)
Ilya A. Rodionov, All-Russia Research Institute of Automatics (Russian Federation)
Bauman Moscow State Technical Univ. (Russian Federation)
Dmitriy V. Negrov, Moscow Institute of Physics and Technology (Russian Federation)


Published in SPIE Proceedings Vol. 10346:
Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XV
Din Ping Tsai; Takuo Tanaka, Editor(s)

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