Abstract

We study experimentally the whispering-gallery modes excited in a dielectric ellipsoidal resonator by a lumped-parameter radiation source and through distributed coupling of a dielectric resonant structure with a dielectric waveguide. Peculiarities of the formation of mode fields and spectra for different mutual locations of the resonator and the exciting element are pointed out. The influence of the derivative of the ellipsoid-surface curvature on the behavior of the energy characteristics of forced modes is found.

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