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1 September 1996 Instability of high-power light field in dielectric microsphere
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Proceedings Volume 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology; 2778CG (1996) https://doi.org/10.1117/12.2316137
Event: 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 1996, Taejon, Korea, Republic of
Abstract
A model to describe localization of high-power electromagnetic field and abrupt increasing its amplitude in nonabsorbing dielectric inclusion in transparent medium is presented. It is based on formation of unstable field structure in dielectric microsphere. Possibility for field instability to arise is estimated making use of model of diffraction of high-amplitude plane wave on sphere which radius is about radiation wavelength. There are estimated threshold amplitude of incident wave and field amplification in microsphere. Physical reason for the instability to develop is considered and shown to be connected with formation of positive feedback arising with light-induced formation of microsphere's eigenmodes.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Vitali E. Grouzdev "Instability of high-power light field in dielectric microsphere", Proc. SPIE 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 2778CG (1 September 1996); https://doi.org/10.1117/12.2316137
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