Backward Terahertz Radiation from a Two-Color Femtosecond Laser Filament

A. A. Ushakov; M. Matoba; N. Nemoto; N. Kanda; K. Konishi; P. A. Chizhov; N. A. Panov; D. E. Shipilo; V. V. Bukin; M. Kuwata-Gonokami; J. Yumoto; O. G. Kosareva; S. V. Garnov; A. B. Savel’ev

doi:10.1134/S0021364017230047

Backward Terahertz Radiation from a Two-Color Femtosecond Laser Filament

Autores: Ushakov A.A.¹^,2^,3^,4, Matoba M.⁴, Nemoto N.⁴, Kanda N.⁵^,6, Konishi K.⁷, Chizhov P.A.¹, Panov N.A.²^,3, Shipilo D.E.²^,3, Bukin V.V.¹, Kuwata-Gonokami M.⁴, Yumoto J.⁴^,7, Kosareva O.G.²^,3, Garnov S.V.¹^,8, Savel’ev A.B.²^,3
Afiliações:
1. Prokhorov General Physics Institute
2. Faculty of Physics
3. International Laser Center
4. Department of Physics
5. RIKEN Center for Advanced Photonics
6. Photon Science Center
7. Institute for Photon Science and Technology
8. National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Edição: Volume 106, Nº 11 (2017)
Páginas: 706-708
Seção: Optics and Laser Physics
URL: https://ogarev-online.ru/0021-3640/article/view/160609
DOI: https://doi.org/10.1134/S0021364017230047
ID: 160609

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Resumo

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.

Sobre autores

A. Ushakov

Prokhorov General Physics Institute; Faculty of Physics; International Laser Center; Department of Physics

Autor responsável pela correspondência
Email: ushakov.aleksandr@physics.msu.ru
Rússia, Moscow, 119991; Moscow, 119991; Moscow, 119991; Tokyo, 113-8654