Whispering gallery modes in dielectric substrate under a metal disc

  title={Whispering gallery modes in dielectric substrate under a metal disc},
  author={S. O. Bunyayev and A. A. Barannik and N. T. Cherpak},
  journal={2007 European Microwave Conference},
Excitation of whispering gallery modes (WGM) in unrestricted dielectric substrate under metal disc placed at some distance from a surface of the dielectric substrate has been found experimentally. The proposed resonant structure is tuneable in a wide frequency range. The experiments were carried out in millimeter wave-band with single crystalline sapphire substrate. The calculated and measured data on frequencies and quality-factors are compared. The calculated distribution of the WGM fields is… CONTINUE READING

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