PROPAGATION AND GUIDING OF INTENSE LASER-PULSES IN PLASMAS

被引:460
作者
SPRANGLE, P
ESAREY, E
KRALL, J
JOYCE, G
机构
[1] Beam Physics Branch, Plasma Physics Division, Naval Research Laboratory, Washington
关键词
D O I
10.1103/PhysRevLett.69.2200
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A two-dimensional, axisymmetric, relativistic fluid model describing the propagation of intense laser pulses in plasmas is formulated and numerically evaluated. Relativistic guiding is ineffective in preventing the diffractive spreading of short laser pulses and long pulses become modulated due to relativistic and wake-field effects. Laser pulses can be propagated over many Rayleigh lengths by use of a preformed plasma density channel or by tailoring the pulse profile. Ultrahigh axial electric fields can be generated behind the laser pulse.
引用
收藏
页码:2200 / 2203
页数:4
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