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Propagation of intense UV filaments and vortices.


Please use this identifier to cite or link to this item: http://hdl.handle.net/1928/17508

Propagation of intense UV filaments and vortices.

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Title: Propagation of intense UV filaments and vortices.
Author: Sukhinin, Alexey
Advisor(s): Aceves, Alejandro
Committee Member(s): Diels, Jean-Claude
Lau, Stephen
Lushnikov, Pavel
Department: University of New Mexico. Dept. of Mathematics and Statistics
Subject(s): UV filaments, vortices
modulational instability
nanosecond UV pulses
LC Subject(s): Laser pulses, Ultrashort--Mathematical models.
High power lasers--Mathematical models.
Ultraviolet radiation--mathematical models.
Degree Level: Doctoral
Abstract: The goal of this dissertation is to investigate the propagation of ultrashort high intensity UV laser pulses of order of nanoseconds in atmosphere. It is believed that they have a potential for stable and diffractionless propagation over the extended distances. Consequently, it creates a new array of applications in areas of communication, sensing, energy transportation and others. The theoretical model derived from Maxwell's equations represents unidirectional envelope propagation and plasma creation equations. It was shown numerically through Newton's iterations that the stationary model permits the localized fundamental and vortex solutions. Discussion of the stability of steady states involves different approaches and their limitations. Finally, model equations are integrated numerically to study the dynamics of the beams in the stationary model as well as nanosecond pulses in the full (3+1)D model using parallel computation.
Graduation Date: December 2011
URI: http://hdl.handle.net/1928/17508

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