Synchronized generation of bright high-order harmonics using self-guided and chirped femtosecond laser pulses
Hyung Taek KimDept of Physics and Coherent X-ray research Center, Korea Advanced Institute of Science and Technology, Daejeon 305-701, KoreaV. ToşaNational Institute for R&D in Isotopic and Molecular Technologies, Cluj-Napoca, 400293, RomaniaChang Hee NamDept of Physics and Coherent X-ray research Center, Korea Advanced Institute of Science and Technology, Daejeon 305-701, Korea
2006en
ABI
Annotatsiya
Bright harmonic generation in a long Ne gas jet achieved using self-guided and chirped femtosecond laser pulses has been analysed. Three-dimensional modelling was performed to look into the details of laser pulse propagation, harmonic generation and attosecond pulse characteristics. The theoretical analysis and the comparison to the experimental results showed emitted harmonics form a bright attosecond pulse train with good synchronization in time. In the space domain the synchronization is especially good in the self-guided region.
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