OPTIMIZATION OF A ONE-DIMENSIONAL PHOTONIC CRYSTAL FOR SURFACE PLASMON RESONANCE CHEMICAL SENSING-Reference-Cited by-同舟云学术

OPTIMIZATION OF A ONE-DIMENSIONAL PHOTONIC CRYSTAL FOR SURFACE PLASMON RESONANCE CHEMICAL SENSING

Published:2023-10-01 Issue: Volume: Page:
ISSN:1314-2704
Container-title:SGEM International Multidisciplinary Scientific GeoConference� EXPO Proceedings
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Author:

Kroupa Jan¹,Lesnak Michal²,Jursa Dominik³,Miskay Marek³,Barcova Karla³

Affiliation:

1. VSB-TUO, Faculty of Mining and Geology

2. VSB-TUO, Faculty of Safety Engineering / VSB-TUO, Nanotechnology Centre

3. VSB-TUO, Faculty of Safety Engineering

Abstract

A chemical sensor of refractive index variations, which possesses prescribed resolution, is designed, implemented and tested. Enhancement of coupling forces by the Bloch surface waves is achieved by incorporating a one-dimensional (1-D) photonic crystal (PC) into the classical Kretschmann arrangement of surface plasmon resonance. The numerical optimization approach was used to establish geometrical parameters of the photonic crystal with prescribed material constituents. The number of layers, their thicknesses, and a specific role of the binding dielectric layer between the PC and the metallic film are discussed in detail. Experiments with optimally designed sensor samples compare favourably with model simulations.

Publisher

STEF92 Technology

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