Relativistic channeling of a picosecond laser pulse in a near-critical preformed plasma

Year: 1997

Authors: Borghesi M., MacKinnon AJ., Barringer L., Gaillard R., Gizzi LA., Meyer C., Willi O., Pukhov A., MeyerterVehn J.

Autors Affiliation: Univ London Imperial Coll Sci Technol & Med, London, England; Max Planck Inst Quantum Opt, D-85748 Garching, Germany

Abstract: Relativistic self-channeling of a picosecond laser pulse in a preformed plasma near critical density has been observed both experimentally and in 3D particle-in-cell simulations. Optical probing measurements indicate the formation of a single pulsating propagation channel, typically of about 5 mu m in diameter. The computational results reveal the importance in the channel formation of relativistic electrons traveling with the light pulse and of the corresponding self-generated magnetic field.


Volume: 78 (5)      Pages from: 879  to: 882

KeyWords: 2nd-harmonic emission; underdense plasma; fusion
DOI: 10.1103/PhysRevLett.78.879

Citations: 204
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