基于单等离子体-光子晶体板的水和二氧化氮气体传感光学元件

IF 2.3 Q2 OPTICS

Advanced Optical Technologies Pub Date : 2020-07-20 DOI:10.1515/aot-2019-0059

A. I. Ignatov, A. M. Merzlikin

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引用次数: 9

摘要

摘要提出了两种基于等离子体-光子-晶体/空气界面表面等离子体波的光学传感元件，并以Kretschmann组态激发。传感元件设计用于检测空气湿度和空气中的NO2浓度。从理论上分析了传感元件的角反射光谱作为分析物浓度的函数。所提出的二氧化氮传感元件对湿度没有交叉灵敏度。这两种传感元件基于相同的多层金属介电结构，唯一的例外是不同的气敏材料层。当组合在一起时，传感元件可用于测量潮湿空气中的湿度和NO2浓度。

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Two optical sensing elements for H2O and NO2 gas sensing based on the single plasmonic – photonic crystal slab

Abstract Two optical sensing elements based on the surface plasmon waves at the plasmonic-photonic-crystal/air interface, excited in the Kretschmann configuration, are proposed. The sensing elements are designed to detect air humidity and NO2 concentration in air. The angular reflectance spectra of the sensing elements are theoretically analyzed as the function of the analyte concentration. The proposed NO2-sensing element has no cross-sensitivity to humidity. The two sensing elements are based on the same multilayer metal-dielectric structure with the only exception on different gas-sensitive material layers. When combined, the sensing elements can be used to measure humidity and NO2 concentration in humid air.

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来源期刊

Advanced Optical Technologies OPTICS-

CiteScore

4.40

自引率

0.00%

发文量

期刊介绍： Advanced Optical Technologies is a strictly peer-reviewed scientific journal. The major aim of Advanced Optical Technologies is to publish recent progress in the fields of optical design, optical engineering, and optical manufacturing. Advanced Optical Technologies has a main focus on applied research and addresses scientists as well as experts in industrial research and development. Advanced Optical Technologies partners with the European Optical Society (EOS). All its 4.500+ members have free online access to the journal through their EOS member account. Topics: Optical design, Lithography, Opto-mechanical engineering, Illumination and lighting technology, Precision fabrication, Image sensor devices, Optical materials (polymer based, inorganic, crystalline/amorphous), Optical instruments in life science (biology, medicine, laboratories), Optical metrology, Optics in aerospace/defense, Simulation, interdisciplinary, Optics for astronomy, Standards, Consumer optics, Optical coatings.