Effects of initial focusing on the blueshifting of high-power laser pulses
JOSA B, Vol. 26, Issue 5, pp. 930-938 (2009)
http://dx.doi.org/10.1364/JOSAB.26.000930
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Abstract
By directly solving Maxwell’s equations including higher-order gas polarization and by using a semi-analytical method for pulse propagation, we study the generation of plasma by high-irradiance laser pulses propagating in a neutral gas and determine the effect of initial focusing on the blueshift of the laser pulse. By varying the initial focusing length, we find that longer than a specific focusing length the blueshift is nearly fixed and shorter than the specific focusing length that the shift changes with the initial focusing length.
© 2009 Optical Society of America
OCIS Codes
(190.4180) Nonlinear optics : Multiphoton processes
(190.7220) Nonlinear optics : Upconversion
(260.3230) Physical optics : Ionization
(260.5950) Physical optics : Self-focusing
(350.5400) Other areas of optics : Plasmas
ToC Category:
Nonlinear Optics
History
Original Manuscript: September 9, 2008
Revised Manuscript: February 19, 2009
Manuscript Accepted: February 26, 2009
Published: April 3, 2009
Citation
James K. Koga, "Effects of initial focusing on the blueshifting of high-power laser pulses," J. Opt. Soc. Am. B 26, 930-938 (2009)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-26-5-930
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