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 loss of the fundamental mode dependance on the operation wavelength for (a) type-1 and (c) type-2 in 3rd peak, when the analyte refractive index increases from 1.400 to 1.430 by a step of 0.005. The resonance wavelength dependance on the analyte refractive index for (b) type-1 and (d) type-2 in 3rd peaks.