RadialΒΆ

Type:

float

Range:

[0, 1]

Default:

-/-

Appearance:

simple

The parameter defines the transverse component k_r as a fraction of the wavenumber k_+=\omega \sqrt{\varepsilon_+ \mu_+} where \varepsilon_+ and \mu_+ denote the corresponding scalar permittivity and permeability, respectively. The ratio \frac{k_r}{k_+} is defined by this parameter.