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basis.plane_wave_in_plane_wavevector

basis.plane_wave_in_plane_wavevector​

Computes the in-plane wavevector for a plane-wave excitation.

Args:​

  • wavelength: The free-space wavelength of the plane-wave excitation.
  • polar_angle: Polar angle of the plane-wave excitation.
  • azimuthal_angle: Azimuthal angle of plane-wave the excitation.
  • permittivity: Scalar permittivity of the medium in which the polar angle and azimuthal angle are specified.

Returns:​

  • None: The fundamental transverse wavevector, i.e. (kx0, ky0).