Fig. 4From: A Tunable Dual-Band and Polarization-Insensitive Coherent Perfect Absorber Based on Double-Layers Graphene Hybrid WaveguideContour profiles of normalized magnetic fields of the proposed graphene-based CPA (a) at λ1 = 9611 nm, (b) λ2 = 9924 nm, and (c) λ3 = 9000 nmBack to article page