Figure 8
Surface sensitivity tests of 1,200-nm-period silver capped nanoslits for different incident angles with wavelength interrogation by measuring BSA/anti-BSA interactions. Measured angular transmission diagrams of the 1,200-nm-period capped silver nanoslits in (a) air, (b) BSA (1 mg/mL) and (c) anti-BSA (25 μg/mL) for incidence angles from 0° to 55°. (d) Spectral shift as a function of the incidence angle. The spectra in air were chosen as references. (e) Measured transmission spectra of the 1st order resonance mode in air, BSA (1 mg/mL) and anti-BSA (25 μg/mL) for an incidence angle of 34°.
