Biosensors 1 Core surfaces 1 Fiber biosensors Gold deposits 1 Index range 1 Nonlinear optics 1 Photonic crystal fibers 1 Photonic-crystal fiber 1 Refractive index 1 Resonance phenomenon 1 Sensing mechanism 1 Sensing performance 1 Signal to noise ratio 1 Strip metal 1 Surface plasmon resonance 1 Surface plasmon resonance biosensor 1 Surface-plasmon resonance 1 Technological advancement 1 Titanium dioxide 1