Abstract
The resonant frequency of a circular cylindrical cavity that is completely filled with a homogeneous, lossless and isotropic chiral or optically active material is found from a solution of the previously derived characteristic equation for the axial propagation constant of a circular chirowaveguide. The modes of the cavity are all hybrid modes as all the propagating modes in the corresponding waveguide are hybrid. The power lost in the conducting walls, the energy stored in the electric and magnetic fields of the cavity are determined and the unloaded Q-factor is calculated. Numerical results for the variation of the resonant frequency and the Q-factor with the electrical radius and the normalized chirality parameter are presented for the three modes with azimuthal indices of m + 0, m + 1 and m + - 1.
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