U-Shaped Photonic Crystal Fiber Based Surface Plasmon Resonance Sensors

A surface plasmon resonance sensor based on a U-shaped photonic crystal fiber with a rectangular lattice has been designed through finite element method. The U-shaped fiber exhibits not only stronger mechanical strength but also better sensor performance than our previous scheme. The upper detection...

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Veröffentlicht in:	Plasmonics (Norwell, Mass.) Mass.), 2016-10, Vol.11 (5), p.1307-1312
Hauptverfasser:	Ge, Shu, Shi, Fukun, Zhou, Guiyao, Liu, Songhao, Hou, Zhiyun, Peng, Lu
Format:	Artikel
Sprache:	eng
Schlagworte:	Biochemistry Biological and Medical Physics Biophysics Biotechnology Chemistry Chemistry and Materials Science Crystal fibers Crystal lattices Figure of merit Finite element method Interrogation Nanotechnology Photonic crystals Refractivity Surface plasmon resonance Wavelength modulation
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Beschreibung
Zusammenfassung:	A surface plasmon resonance sensor based on a U-shaped photonic crystal fiber with a rectangular lattice has been designed through finite element method. The U-shaped fiber exhibits not only stronger mechanical strength but also better sensor performance than our previous scheme. The upper detection limit extends to higher analyze refractive index, 1.384, for phase interrogation. We introduce a ratio to evaluate the impact of higher order plasmonic mode. For wavelength modulation scheme, the parameter to describe the performance of a sensor is chosen to be the figure of merit, which can be up to 533.8[RIU −1 ] around complete coupling condition.
ISSN:	1557-1955 1557-1963
DOI:	10.1007/s11468-015-0176-z