Fig. 5: Radiating wavefunction expansion coefficients.
From: Acoustic lattice resonances and generalised Rayleigh–Bloch waves
a Coefficients of a single scatterer (solid lines) and for the first of a pair of scatterers (dashed) for fixed r/a = 0.15. b Corresponding curves for r/a = 0.35. Cut-offs marked by vertical dashed lines (increasing n left to right).
