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Proceedings Paper

Vector theory of femtosecond laser pulse propagation in gaseous medium
Author(s): Mingwei Liu; Hong Guo; Yunli Qiu; Hua Tang
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Paper Abstract

The vectorial and nonparaxial effects of femtosecond laser pulse propagation in gaseous medium are studied by using an order-of-magnitude analysis. A new vector model equation is established, which is valid for an arbitrarily short laser pulse and includes the effects of the coupling between the transverse and the longitudinal components of the electric field in the created plasma channel, e.g., an electrostatic field created longitudinally by the radiation pressure force and/or the ponderomotive force. In addition, we derive an equation governing the time evolution of the plasma current density, which can be used to analyze the mechanism of energy loss during the propagation.

Paper Details

Date Published: 30 April 2003
PDF: 7 pages
Proc. SPIE 4976, Atmospheric Propagation, (30 April 2003); doi: 10.1117/12.479198
Show Author Affiliations
Mingwei Liu, South China Normal Univ. (China)
Hong Guo, South China Normal Univ. (China)
Yunli Qiu, South China Normal Univ. (China)
Hua Tang, South China Normal Univ. (China)

Published in SPIE Proceedings Vol. 4976:
Atmospheric Propagation
Cynthia Y. Young; John S. Stryjewski, Editor(s)

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