期刊
OPTICS COMMUNICATIONS
卷 344, 期 -, 页码 86-91出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optcom.2015.01.043
关键词
Optical fiber; Sensor; Surface plasmon; Indium-tin oxide; Sensitivity; Figure of merit
类别
资金
- Council of Scientific and Industrial Research (India) [03(1296)/13/EMR-II]
We, theoretically, propose a surface plasmon resonance (SPR) based indium tin oxide (ITO)-silver (Ag) coated fiber optic sensing probe for refractive index sensing in visible regime of the electromagnetic spectrum. A comparative study of ITO+Ag coated probe with Ag coated probe and with ITO coated probe using their respective optimized film thicknesses is carried out. We show that the proposed probe is endowed with the better sensitivity characteristic of ITO and better detection accuracy (DA) characteristic of Ag, and can sense change in refractive index with enhanced DA and figure of merit (FOM) in the visible region. (C) 2015 Elsevier B.V. All rights reserved.
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