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Curvature aided long range propagation of short laser pulses in the atmosphere
Date
2013-3
Author
Yedierler, Burak
Metadata
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The pre-filamentation regime of propagation of a short and intense laser pulse in the atmosphere is considered. Spatiotemporal self-focusing dynamics of the laser beam are investigated by calculating the coupled differential equations for spot size, pulse length, phase, curvature, and chirp functions of a Gaussian laser pulse via a variational technique. The effect of initial curvature parameter on the propagation of the laser pulse is taken into consideration. A method relying on the adjustment of the initial curvature parameter can expand the filamentation distance of a laser beam of given power and chirp is proposed.
Subject Keywords
Chirped optical pulses
,
Variational approach
,
Ultra-short
,
Filamentation
,
Dynamics
,
Media
,
Collapse
,
Distance
,
Ionization
,
Mechanisms
URI
https://hdl.handle.net/11511/28445
Journal
Physics of Plasmas
DOI
https://doi.org/10.1063/1.4795305
Collections
Department of Physics, Article