Coherent subterahertz radiation from femtosecond infrared filaments in air

Stylianos Tzortzakis, G. Méchain, G. Patalano, Y. B. André, B. Prade, M. Franco, A. Mysyrowicz, J. M. Munier, M. Gheudin, G. Beaudin, P. Encrenaz

Research output: Contribution to journalArticle

154 Citations (Scopus)

Abstract

We report on what is believed to be the first observation of coherent subterahertz (sub-THz) emission from a 1-m string in the atmosphere. The sub-THz pulse emitted by the filamentary structure from an intense IR femtosecond laser pulse is detected perpendicularly to the laser propagation axis by use of two heterodyne detectors at 94 ± 1 and 118 ± 1 GHz. We describe the characteristics of this emission and show evidence of constructive interference between two separate strings.

Original languageEnglish
Pages (from-to)1944-1946
Number of pages3
JournalOptics Letters
Volume27
Issue number21
Publication statusPublished - 1 Nov 2002
Externally publishedYes

Fingerprint

coherent radiation
filaments
Lasers
strings
Air
Radiation
air
pulses
Atmosphere
infrared lasers
Observation
interference
atmospheres
propagation
detectors
lasers

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Tzortzakis, S., Méchain, G., Patalano, G., André, Y. B., Prade, B., Franco, M., ... Encrenaz, P. (2002). Coherent subterahertz radiation from femtosecond infrared filaments in air. Optics Letters, 27(21), 1944-1946.

Coherent subterahertz radiation from femtosecond infrared filaments in air. / Tzortzakis, Stylianos; Méchain, G.; Patalano, G.; André, Y. B.; Prade, B.; Franco, M.; Mysyrowicz, A.; Munier, J. M.; Gheudin, M.; Beaudin, G.; Encrenaz, P.

In: Optics Letters, Vol. 27, No. 21, 01.11.2002, p. 1944-1946.

Research output: Contribution to journalArticle

Tzortzakis, S, Méchain, G, Patalano, G, André, YB, Prade, B, Franco, M, Mysyrowicz, A, Munier, JM, Gheudin, M, Beaudin, G & Encrenaz, P 2002, 'Coherent subterahertz radiation from femtosecond infrared filaments in air', Optics Letters, vol. 27, no. 21, pp. 1944-1946.
Tzortzakis S, Méchain G, Patalano G, André YB, Prade B, Franco M et al. Coherent subterahertz radiation from femtosecond infrared filaments in air. Optics Letters. 2002 Nov 1;27(21):1944-1946.
Tzortzakis, Stylianos ; Méchain, G. ; Patalano, G. ; André, Y. B. ; Prade, B. ; Franco, M. ; Mysyrowicz, A. ; Munier, J. M. ; Gheudin, M. ; Beaudin, G. ; Encrenaz, P. / Coherent subterahertz radiation from femtosecond infrared filaments in air. In: Optics Letters. 2002 ; Vol. 27, No. 21. pp. 1944-1946.
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AU - Franco, M.

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