Fig. 4
From: Spin-orbit interaction of light induced by transverse spin angular momentum engineering
Characterization of average polarization state in CVVs. a, b Measured squared polarization ellipticity ε2 (solid markers) of the CVVs from the devices of height 0.4 and 0.6 μm, respectively. The prediction of κ2 from numerical calculations is plotted with dashed lines, and the measured and calculated results for the same device are marked in the same color
