7 April 1999 Field instability in high-quality dielectric sphere and disk: implication to the problem of laser-induced damage of microsphere and microdisk resonators
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Abstract
The problem of initiating of laser-induced damage (LID) of microspherical and microdisk resonators and nature of processes limiting ultimate pump intensity of the resonators are considered. Electrodynamic processes rather than absorption-induced heating are shown to play major role in initiating of LID of ideal passive resonators. Theoretical model to describe local increasing of high-power electromagnetic field in the microresonator is presented to study the processes. It is based on idea of formation of unstable field structure in resonant dielectric microcavity connected with formation of positive feedbacks resulting in light-induced variation of quality factor and its spectrum.
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Vitali E. Gruzdev, Vitali E. Gruzdev, Mikhail N. Libenson, Mikhail N. Libenson, } "Field instability in high-quality dielectric sphere and disk: implication to the problem of laser-induced damage of microsphere and microdisk resonators", Proc. SPIE 3578, Laser-Induced Damage in Optical Materials: 1998, (7 April 1999); doi: 10.1117/12.344442; https://doi.org/10.1117/12.344442
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