* The direction of the Plane Wave is determined by the incident '''Theta''' and '''Phi''' angles in degrees. You can also set the '''Polarization''' of the plane wave and choose from the five options described earlier. When the '''Custom Linear''' option is selected, you also need to enter the X, Y, Z components of the '''E-Field Vector'''.
NOTE: {{Note|In the spherical coordinate system, normal plane wave incidence from the top of the domain downward corresponds to θ = of 180°.}}
[[File:po_phys15.png]] [[File:po_phys16_tn.png]]