ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Highly sensitive fiber refractive index sensor based on side-core holey structure |
Han Ya (韩雅), Xia Li (夏历), Liu De-Ming (刘德明) |
Next Generation Internet Access National Engineering Laboratory (NGIA), School of Optical and Electronic Information, Huazhong University of Science and Technology (HUST), Wuhan 430074, China |
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Abstract We propose a side-core holey fiber (SCHF)-based surface plasmon resonance (SPR) sensor to achieve high refractive index (RI) sensitivity. The SCHF structure can facilitate analyte filling and enhance the overlapping area of the core mode and surface plasmon polariton (SPP) mode. The coupling properties of the sensor are analyzed by numerical simulation. The maximum sensitivity of 5000 nm/RIU in an RI range of 1.33-1.44, and the average sensitivity of 9295 nm/RIU in an RI range from 1.44 to 1.54 can be obtained.
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Received: 21 November 2013
Revised: 28 March 2014
Accepted manuscript online:
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PACS:
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42.81.-i
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(Fiber optics)
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42.81.Pa
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(Sensors, gyros)
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71.45.Gm
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(Exchange, correlation, dielectric and magnetic response functions, plasmons)
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Fund: Project supported by the Major Projects of the National Natural Science Foundation of China (Grant No. 61290315), the National Natural Science Foundation of China (Grant No. 61340057), and the Special Program of the National Modern Service Industrial Development Foundation of China (Grant No. [2012]14). |
Corresponding Authors:
Xia Li
E-mail: xiali@hust.edu.cn
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About author: 42.81.-i; 42.81.Pa; 71.45.Gm |
Cite this article:
Han Ya (韩雅), Xia Li (夏历), Liu De-Ming (刘德明) Highly sensitive fiber refractive index sensor based on side-core holey structure 2014 Chin. Phys. B 23 104219
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