Long-Wavelength Radiation from Femtosecond Filaments in Gases

O.G. Kosareva; V.A. Andreeva; N.A. Panov; D.E. Shipilo; A.B. Savel’ev; A.P. Shkurinov; V.A. Makarov; L. Bergé; S.L. Chin

2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference
(Optica Publishing Group, 2015),
paper EI_2_6

Long-Wavelength Radiation from Femtosecond Filaments in Gases

O.G. Kosareva, V.A. Andreeva, N.A. Panov, D.E. Shipilo, A.B. Savel’ev, A.P. Shkurinov, V.A. Makarov, L. Bergé, and S.L. Chin

European Quantum Electronics Conference 2015

Munich Germany
21–25 June 2015
ISBN: 978-1-4673-7475-0

From the session
Nonlinear Dynamics (EI_2)

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O. G. Kosareva, V. A. Andreeva, N. A. Panov, D. E. Shipilo, A. B. Savel’ev, A. P. Shkurinov, V. A. Makarov, L. Bergé, and S. L. Chin, "Long-Wavelength Radiation from Femtosecond Filaments in Gases," in 2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference, (Optica Publishing Group, 2015), paper EI_2_6.

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Abstract

An extended femtosecond filament is a nonlinear optical structure, which can emit a continuum of frequencies as well as quasi-isolated pulses in certain spectral ranges [1]. Generation of mid-infrared (MIR) ultrashort pulses can be enhanced by seeding the filament with the pulse at the central frequency close to its second harmonic [2]. With an 800 nm filament the coherent THz radiation can be delivered to the desired position far through the atmosphere, avoiding thereby strong water vapor absorption [3-5].

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