Conical Forward THz Emission from Femtosecond-Laser-Beam Filamentation in Air

2007513 citationsJournal Article

Authors

Ciro D’Amico · École Polytechnique

Aurélien Houard · Centre National de la Recherche Scientifique

M. Franco · Centre National de la Recherche Scientifique

B. Prade · Centre National de la Recherche Scientifique

A. Mysyrowicz · Centre National de la Recherche Scientifique

A. Couairon · Laboratoire d'Optique Appliquée

V. T. Tikhonchuk

Abstract

We attribute a strong forward directed THz emission from femtosecond laser filaments in air to a transition-Cherenkov emission from the plasma space charge moving behind the ionization front at light velocity. Distant targets can be easily irradiated by this new source of THz radiation.

Topics & Keywords

Terahertz technology and applications Laser-Matter Interactions and Applications Gyrotron and Vacuum Electronics Research

Publication Details

Published in: Physical Review Letters

Volume 98, Issue 23, pp. 235002-235002

DOI: 10.1103/physrevlett.98.235002

Field-Weighted Citation Impact: 32.85

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Conical Forward THz Emission from Femtosecond-Laser-Beam Filamentation in Air

Authors

Abstract

Topics & Keywords

Publication Details