Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Journal of Applied Physics
66 (1989), S. 4685-4687
ISSN:
1089-7550
Source:
AIP Digital Archive
Topics:
Physics
Notes:
Langmuir waves have a tendency to self-focus around the intensity maxima at moderate power densities. A paraxial ray theory of self-focusing, through ponderomotive nonlinearity, reveals that the self-focusing length Rn(approximately-equal-to)avth/vosc where a is the radial width of the Langmuir wave, and vth and vosc are the electron thermal and oscillatory velocities. The damping tends to inhibit the self-focusing effect.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.343825
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