Fig. 6
From: All-optical field-free three-dimensional orientation of asymmetric-top molecules

Orientation geometry for two phases. Schematic representation of trajectory of the OTC field vector, \({\cal E}\) for a ϕL = 0 and b ϕL = π. In both cases, SO2 molecule is shown in the orientation providing the maximal ionization. Blue arrows denote the molecular permanent dipole, μ