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5 October 2005 Spatio-temporal vortices: properties, generation and recording
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The properties of a novel type of dislocations, called spatio-temporal vortices, are discussed. We propose to registrate them making dynamic interferogram of signal waves. Methods of their generation are suggested as well. It is illustrated that a spatio-temporal dislocation appears due to interaction of two Gauss-Laguerre pulsed beams with half-Pi phase shift. We show that superposition of two non-complanar phase modulated beams gives birth to the train of spatio-temporal vortices, which are periodical in space or time. The dynamics of a spatio-temporal vortex-soliton in defocusing Kerr-like medium is considered.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
A. P. Sukhorukov and V. V. Yangirova "Spatio-temporal vortices: properties, generation and recording", Proc. SPIE 5949, Nonlinear Optics Applications, 594906 (5 October 2005);


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