FieldComponents

Type:enum Range:Electric, ElectricRYPhi, ElectricXY, ElectricXYZ, ElectricXZ, ElectricY, ElectricZ, Magnetic, MagneticRYPhi, MagneticXY, MagneticXYZ, MagneticXZ, MagneticY, MagneticZ Default:ElectricXYZ Appearance:simple

Specifies which field components should be computed. All computation are based rigorously on Maxwell’s equations.

The allowed choices have the following meanings:

ElectricXYZ and MagneticXYZ

Use this to compute resonance modes regardless of their polarization. In the first case, the full second order equations for the electric field are solved. In the second case the analogue magnetic field equations are used. Since both settings are derived directly from Maxwell’s equations they yield identical resonance frequencies . The electric and magnetic fields can be computed from each other by applying Maxwell’s equations.

ElectricRYPhi and MagneticRYPhi

Use this for cylindrically symmetric problems. A grid file grid.jcm holding a two-dimensional cross-section of the geometry is expected. The polarization of the modes is not taken into account. As discussed above, both setting yields identical resonance frequencies.

ElectricZ, MagneticXY and MagneticZ, ElectricXY

These setting are intended for two-dimensional straight problems with an invariant -direction. When setting ElectricZ -polarized resonance modes are computed which are constant in , i.e., it is not allowed to set a non-zero wavenumber. The other settings have an accordant meaning.

ElectricXZ, MagneticXZ

Used for one-dimensional slab problems. The computed eigenfields have zero -components.