Figure 3
From: A Wide-angle Multi-Octave Broadband Waveplate Based on Field Transformation Approach

(a) Schematic diagram of the realization of the FT waveplate. (b) The dispersion surfaces of the ideal medium and the experimental approximated one.
From: A Wide-angle Multi-Octave Broadband Waveplate Based on Field Transformation Approach
(a) Schematic diagram of the realization of the FT waveplate. (b) The dispersion surfaces of the ideal medium and the experimental approximated one.