Effect of transverse ponderomotive nonlinearity on the propagation of ultrashort laser pulses in a plasma channel

Journal Article · Mon Dec 15 00:00:00 EST 2008 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.3050068· OSTI ID:21259757

Upadhyay, Ajay K; Singh, Ram Gopal; Singh, Vijay; Jha, Pallavi ^[1]

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1. Department of Physics, University of Lucknow, Lucknow 226007 (India)

The present study deals with the propagation of an ultrashort narrow laser beam in a parabolic plasma channel. The effect of transverse ponderomotive nonlinearity on the propagation characteristics of the laser beam is analyzed. Using the variational technique, coupled equations describing the evolution of pulse length and spot size are obtained. The variation of intensity, of mismatched and matched laser pulses, with propagation distance is graphically depicted.

• OSTI ID: 21259757
• Journal Information: Physics of Plasmas, Vol. 15, Issue 12; Other Information: DOI: 10.1063/1.3050068; (c) 2008 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 1070-664X
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
LASER RADIATION
LIGHT TRANSMISSION
NONLINEAR PROBLEMS
PLASMA
PONDEROMOTIVE FORCE
VARIATIONAL METHODS
WAVE PROPAGATION