Electronic Resource
New York, NY
:
American Institute of Physics (AIP)
Physics of Fluids
2 (1990), S. 1221-1223
ISSN:
1089-7666
Source:
AIP Digital Archive
Topics:
Physics
Notes:
An on-axis spike in the intensity distribution of a Gaussian laser beam grows rapidly as the beam propagates in a laser-produced plasma. The nonlinearity arises through the ponderomotive force and has a saturating behavior. For vosc ∼vth, the optimum spike radius is approximately a few c/ωp0 and the amplification length is ∼2cω/ω2p0, where ωp0 is the unperturbed plasma frequency, ω is the radiation frequency, and vosc and vth are oscillatory and thermal velocities of electrons, respectively.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.859259
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