Fig. 3
From: Wavelength-tunable infrared metasurfaces with chiral bound states in the continuum

(a) Simulated transmission Jones matrix spectra of Tll, Trr, Trl and Tlr. (b) The scattering power of the multi-level components derived from the Cartesian multi-level expansion under RCP incidence. (c) The scattering power of the multi-level components derived from the Cartesian multi-level expansion under LCP incidence.