Figure 4From: Plasmonic circular resonators for refractive index sensors and filtersSensing properties as functions of H. (a) Transmission spectra of index 1.35 for H varying from 80 to 120 nm. (b) Shifting resonant wavelengths for H varying from 80 to 120 nm. (c) Sensitivities of the plasmonic sensors for H varying from 80 to 120 nm.Back to article page