2001•Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIERequires access

Ultrabroadening of light beam spatial spectrum when self-focusing

Sergei A. Izyurov, S. A. Kozlov, Constantin R. Simovski

Abstract

New nonlinear equations for the dynamics of spatial spectrum of a self-focusing monochromatic wave in a medium with cubic nonlinearity is derived in the nonparaxial approximation. The formation of optical beams with cross section on the order of a wavelength is considered. Backward self- reflection is found to be the fundamental cause for the limitation of optical self-focusing.

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Available abstract

Key concepts: Self-focusing, Monochromatic color, Optics, Wavelength, Physics, Nonlinear system, Light beam, Spectrum (functional analysis)