Whispering modes in anisotropic and isotropic dielectric spherical resonators

The properties of degenerate whispering spherical modes within a fused silica and sapphire dielectric resonator have been investigated. However, departure from spherical symmetry occurs due to the support structure and anisotropy of the material. Finite element modeling is used to predicted the lift...

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Bibliographic Details
Published in:Physics letters. A 2006-11, Vol.359 (1), p.1-7
Main Authors: le Floch, Jean-Michel, Anstie, James David, Tobar, Michael Edmund, Hartnett, John Gideon, Bourgeois, Pierre-Yves, Cros, Dominique
Format: Article
Language:English
Subjects:
High- Q resonator
Michelson–Morley experiment
Sapphire resonator
Spherical resonator
Whispering gallery modes
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Summary:The properties of degenerate whispering spherical modes within a fused silica and sapphire dielectric resonator have been investigated. However, departure from spherical symmetry occurs due to the support structure and anisotropy of the material. Finite element modeling is used to predicted the lifting of the frequency degeneracy, and is confirmed by experiment. Further optimization of the sapphire resonator to realize a Michelson–Morley experiment is discussed.
ISSN:0375-9601
1873-2429
DOI:10.1016/j.physleta.2006.05.086