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Proceedings Paper

Intracavity Rayleigh scattering in microspheres: limits imposed on quality factor and mode coupling
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Paper Abstract

We present a detailed analysis of the effect of volumetric and surface inhomogeneities as a source of quality-factor limitation and intracavity resonant backscattering in optical microsphere cavities of fused silica. Intrinsic scattering in microspheres is shown to be significantly inhibited as compared to standard Rayleigh scattering in the bulk material. This reassessment of fundamental losses indicates that Q-factors substantially exceeding the previously expected limit of approximately 1011 can be obtained in microspheres, as soon as surface hydration is prevented. The intracavity backscattering is analyzed as a source of whispering-gallery mode splitting and resonant optical feedback in presence of a mode-matched travelling- wave coupler.

Paper Details

Date Published: 24 May 1999
PDF: 12 pages
Proc. SPIE 3611, Laser Resonators II, (24 May 1999); doi: 10.1117/12.349278
Show Author Affiliations
Mikhail L. Gorodetsky, Moscow State Univ. (Russia)
Vladimir S. Ilchenko, Jet Propulsion Lab. (United States)
Andrew D. Pryamikov, Moscow State Univ. (Russia)


Published in SPIE Proceedings Vol. 3611:
Laser Resonators II
Alexis V. Kudryashov, Editor(s)

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