Fig. 8From: Two-Dimensional Hole-Array Grating-Coupling-Based Excitation of Bloch Surface Waves for Highly Sensitive BiosensingReflectivity curves as a function of azimuthal angle for different values of solution. a DG-BSW configuration, where wavelength (λ0) and incident angle (θ) are fixed at 657 nm and 4.3°; b for GC-BSW configuration, λ0 = 633 nm and θ = 7°Back to article page