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- Title
Backward Terahertz Radiation from a Two-Color Femtosecond Laser Filament.
- Authors
Ushakov, A. A.; Matoba, M.; Nemoto, N.; Kanda, N.; Konishi, K.; Chizhov, P. A.; Panov`, N. A.; Shipilo, D. E.; Bukin, V. V.; Kuwata-Gonokami, M.; Yumoto, J.; Kosareva, O. G.; Garnov, S. V.; Savel’ev, A. B.
- Abstract
We report the first experimental observation of backward terahertz emission from the two-color laser induced plasma filament in air. The ratio of measured forward-to-backward terahertz radiation is ~25/1. This result agrees with numerical simulations based on interferometric model assuming 0.3 mm long plasma source.
- Subjects
FEMTOSECOND lasers; RADIATION; SUBMILLIMETER waves; PLASMA gases; COMPUTER simulation
- Publication
JETP Letters, 2017, Vol 106, Issue 11, p706
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/S0021364017230047