期刊
OPTIK
卷 207, 期 -, 页码 -出版社
ELSEVIER GMBH
DOI: 10.1016/j.ijleo.2020.164466
关键词
Surface plasmon resonance; Photonic crystal fiber; FEM
类别
资金
- National Natural Science Foundation of China [51474069, 41472126]
- China Postdoctoral Science Foundation [2016M591510]
- Natural Science Foundation of Heilongjiang Province [E2017010]
- City University of Hong Kong Strategic Research Grant (SRG) [7005105]
A photonic crystal fiber (PCF) sensor based on surface plasmon resonance (SPR) is designed for near-infrared detection. The Ag-Au dual layers are selected as the plasmonic materials and the silver layer is covered by a gold layer for protection against oxidation. Influences of structural parameters on the confinement losses are investigated by the finite element method (FEM). The resonance wavelength of the sensor varies from 1470 nm to 2150 nm and a maximum wavelength sensitivity of 12400 nm/RIU and corresponding resolution of 8.06 x 10(-6) RIU are obtained for analyze refractive indexes between 1.22 and 1.36.
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