Generation of phase-stable half-cycle mid-infrared pulses through filamentation in gases
1 Institute for Molecular Science, 38 Nishigonaka, Myodaiji, Okazaki 444-8585, Japan
2 Faculty of Engineering, Kagawa University, 2217-20 Hayashi-cho, Takamatsu, 761-0396, Japan
3 Physics Department, International Laser Center, M.V. Lomonosov Moscow State University, 119992 Moscow, Russia
4 Department of Physics and Astronomy, Texas A&M University, College Station, Texas 77843-4242, USA
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Phase-stable half-cycle mid-infrared pulses were produced through filamentation in argon. The pulse width was obtained as 7.9 fs at 4.1 μm carrier wave length by using frequency-resolved optical gating.
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