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Extremely broadened high-order harmonics generated by the femtosecond pulses propagating through the filaments in air

R. A. GaneevThe University of Tokyo 1 The Institute for Solid State Physics, , 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8581, JapanHiroto KurodaSaitama Medical University 3 Faculty of Medicine, , 38 Hongou, Moro, Moroyama, Iruma, Saitama 350-0495, Japan

Applied Physics Lettersjournal2009en

ABI

Annotatsiya

We demonstrate a considerable broadening of the harmonics generating in laser plasma using the laser pulses propagating through the filaments in air. A fourfold increase of harmonic bandwidth was achieved in the case of phase-modulated laser pulses, alongside with an increase in harmonic conversion efficiency (from 5×10−6 to 1.2×10−5). We also present the studies of harmonic generation using phase-modulated pulses at different ranges of ellipticity of the polarization of laser beam.

Mavzular

Laser-Matter Interactions and Applications Laser-Plasma Interactions and Diagnostics Advanced Fiber Laser Technologies

Identifikatorlar

DOI: 10.1063/1.3267081

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