Fig. 7From: Multi-functional Device with Switchable Functions of Absorption and Polarization Conversion at Terahertz RangeThe absorption characteristics of the absorption mode (μc = 0.7 eV) under normal incidence for different polarization angles (φ). a The φ1 and φ2 are the angle of the incident electric field relative to x- and y-axes, respectively. b φ1. c φ2Back to article page