Photoluminescence and Terahertz Emission from Femtosecond Laser-Induced Plasma Channels

Details Photoluminescence and Terahertz Emission from Femtosecond Laser-Induced Plasma Channels Photoluminescence and Terahertz Emission from Femtosecond Laser-Induced Plasma Channels

2004-09-03

arxiv.org/abs/physics/0409028v1

Phys. Rev. Lett. 94, 115004 (2005).

Physics

Plasma Physics

4 pages with 2 figuress

Scientific paper

10.1103/PhysRevLett.94.115004

Luminescence as a mechanism for terahertz emission from femtosecond laser-induced plasmas is studied. By using a fully microscopic theory, Coulomb scattering between electrons and ions is shown to lead to luminescence even for a spatially homogeneous plasma. The spectral features introduced by the rod geometry of laser-induced plasma channels in air are discussed on the basis of a generalized mode-function analysis.

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