Nonlinear cusp diffraction catastrophe and vortex quadrupoles from a smooth initial beam

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Title: Nonlinear cusp diffraction catastrophe and vortex quadrupoles from a smooth initial beam
Author: Deykoon, A.; Soskin, M.; Swartzlander, Grover Jr
Abstract: Vortex quadrupoles and a nonlinear optical cusp di_raction catastrophe were observed at the output face of a self-defocusing nonlinear medium. The initial beam had a smooth cross-sectional intensity profile, but was elongated to an aspect ratio of 2 : 1. The power-dependent evolution of the beam is described.
Record URI: http://hdl.handle.net/1850/12447
Date: 2002-07-24

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