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analysis of a surface plasmon resonance probe based on photonic crystal fibers for low refractive index detection
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نویسنده
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liu chao ,yang lin ,liu qiang ,wang famei ,sun zhijie ,sun tao ,mu haiwei ,chu paul k.
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منبع
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plasmonics - 2018 - دوره : 13 - شماره : 3 - صفحه:779 -784
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چکیده
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A photonic crystal fiber (pcf)-based surface plasmon resonance (spr) probe with gold nanowires as the plasmonic material is proposed in this work. the coupling characteristics and sensing properties of the probe are numerically investigated by the finite element method. the probe is designed to detect low refractive indices between 1.27 and 1.36. the maximum spectral sensitivity and amplitude sensitivity are 6 × 103 nm/riu and 600 riu−1, respectively, corresponding to a resolution of 2.8 × 10−5 riu for the overall refractive index range. our analysis shows that the pcf-spr probe can be used for lower refractive index detection.
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کلیدواژه
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photonic crystal fiber ,surface plasmon resonance ,probe ,finite element method
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آدرس
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northeast petroleum university, school of electronics science, china, northeast petroleum university, school of electronics science, china, northeast petroleum university, school of electronics science, china, harbin engineering university, school of materials science and chemical engineering, china, harbin engineering university, school of materials science and chemical engineering, china, agency of science, institute of microelectronics, singapore, northeast petroleum university, school of electronics science, china, city university of hong kong, department of physics and materials science, china
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Authors
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