Phys. Rev. Lett. 69, 2200–2203 (1992)Propagation and guiding of intense laser pulses in plasmasReceived 11 May 1992; published in the issue dated 12 October 1992 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 performed plasma density channel or by tailoring the pulse profile. Ultrahigh axial electric fields can be generated behind the laser pulse. © 1992 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.69.2200
DOI:
10.1103/PhysRevLett.69.2200
PACS:
52.40.-w, 52.35.Mw
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