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Proceedings Paper

High-harmonic generation in an intense femtosecond laser field
Author(s): ChangHee Nam; H. J. Shin; DongGun Lee; Yong Ho Cha; KyungHan Hong
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Paper Abstract

Generation of high harmonics in a femtosecond laser field with intensity far exceeding the saturation intensity for optical field ionization is investigated. As the laser intensity was increased, the time of strong high harmonic generation became earlier. As an atom is exposed to a larger electric field variation duration the harmonic emission, the emitted harmonics experience a blueshift due to a non- adiabatic effect. In addition the high harmonic spectra shoed very complex structure, which was analyzed using a semi-classical theory based on the strong field approximation.

Paper Details

Date Published: 11 January 2000
PDF: 4 pages
Proc. SPIE 3886, High-Power Lasers in Energy Engineering, (11 January 2000); doi: 10.1117/12.375145
Show Author Affiliations
ChangHee Nam, Korea Advanced Institute of Science and Technology (South Korea)
H. J. Shin, Korea Advanced Institute of Science and Technology (South Korea)
DongGun Lee, Korea Advanced Institute of Science and Technology (South Korea)
Yong Ho Cha, Korea Advanced Institute of Science and Technology (South Korea)
KyungHan Hong, Korea Advanced Institute of Science and Technology (South Korea)


Published in SPIE Proceedings Vol. 3886:
High-Power Lasers in Energy Engineering
Kunioki Mima; Gerald L. Kulcinski; William J. Hogan, Editor(s)

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