Terahertz Radiation Source in Air Based on Bifilamentation of Femtosecond Laser Pulses
Journal Article
·
· Physical Review Letters
- Laboratoire d'Optique Appliquee, ENSTA, Ecole Polytechnique, Teramobile project, CNRS UMR 7639, Palaiseau, 91761 (France) and Centre Lasers Intenses et Applications, Universite Bordeaux 1, CNRS, CEA, UMR 5107, Talence, 33405 (France)
A new terahertz (THz) source in air based on the bifilamentation of femtosecond laser pulses is reported. This THz radiation is 1 order of magnitude more intense than the transition-Cherenkov THz emission from femtosecond laser filaments reported recently and shows different angular and polarization properties. We attribute it to the emission from a bimodal transmission line created by two plasma filaments.
- OSTI ID:
- 21024208
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 13 Vol. 99; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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