Refractive index sensor based on high-order surface plasmon resonance in gold nanofilm coated photonic crystal fiber
Fan Zhen-Kai1, Fang Shao-Bo2, 3, ‡, Li Shu-Guang4, Wei Zhi-Yi2, 3
       

The losses of the two kinds of SPR-PCF refractive index sensors dependance on the operation wavelength when the analyte refractive index is from 1.33 to 1.43 for (a) type 1 and (b) type 2.