Dynamics of the spatial spectrum of a self-focusing optical wave in a nonlinear medium |
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| Authors: | S A Iz”yurov S A Kozlov |
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| Institution: | (1) Institute of Fine Mechanics and Optics, ul. Sablinskaya 14, St. Petersburg, 197101, Russia |
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| Abstract: | A new nonlinear equation for the dynamics of the 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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