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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 25 — Dec. 16, 2013
  • pp: 30683–30692

Whispering gallery modes at the rim of an axisymmetric optical resonator: Analytical versus numerical description and comparison with experiment

I. Breunig, B. Sturman, F. Sedlmeir, H. G. L. Schwefel, and K. Buse  »View Author Affiliations

Optics Express, Vol. 21, Issue 25, pp. 30683-30692 (2013)

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Optical whispering gallery modes (WGMs) of mm-sized axisymmetric resonators are well localized at the equator. Employing this distinctive feature, we obtain simple analytical relations for the frequencies and eigenfunctions of WGMs which include the major radius of the resonator and the curvature radius of the rim. Being compared with results of finite-element simulations, these relations show a high accuracy and practicability. High-precision free-spectral-range measurements with a millimeter-sized disc resonator made of MgF2 allow us to identify the WGMs and confirm the applicability of our analytical description.

© 2013 Optical Society of America

OCIS Codes
(140.4780) Lasers and laser optics : Optical resonators
(230.5750) Optical devices : Resonators

ToC Category:
Optical Devices

Original Manuscript: October 4, 2013
Revised Manuscript: November 22, 2013
Manuscript Accepted: November 23, 2013
Published: December 5, 2013

I. Breunig, B. Sturman, F. Sedlmeir, H. G. L. Schwefel, and K. Buse, "Whispering gallery modes at the rim of an axisymmetric optical resonator: Analytical versus numerical description and comparison with experiment," Opt. Express 21, 30683-30692 (2013)

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