期刊
OPTICS EXPRESS
卷 19, 期 15, 页码 13980-13988出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.19.013980
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资金
- Academy of Finland [124165]
- Portuguese government [SFRH/BD/30086/2006]
- Academy of Finland (AKA) [124165, 124165] Funding Source: Academy of Finland (AKA)
We present and numerically characterize a surface-plasmon-resonance sensor based on an H-shaped optical fiber. In our design, the two U-shaped grooves of the H-fiber are first coated with a thin gold layer and then covered by a uniform titanium dioxide layer to facilitate spectral tuning of the device. A finite element method analysis of the sensor indicates that a refractive-index resolution of up to 5.10(3) nm/RIU can be obtained. (C) 2011 Optical Society of America
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