Fig. 5
From: Reversal of transmission and reflection based on acoustic metagratings with integer parity design
Parity-dependent transmission and reflection and robust performance. a, b The phase distributions in the u-complex plane for m = 3 (odd) and m = 4(even), respectively. c, d The reflection (c) and transmission (d) vs. integer m in a PGM with ξ = 1.5k0 based on coupled mode theory
