High-harmonic generation in an intense femtosecond laser field

ChangHee Nam; H. J. Shin; DongGun Lee; Yong Ho Cha; KyungHan Hong

doi:10.1117/12.375145

11 January 2000 High-harmonic generation in an intense femtosecond laser field

ChangHee Nam, H. J. Shin, DongGun Lee, Yong Ho Cha, KyungHan Hong

Proceedings Volume 3886, High-Power Lasers in Energy Engineering; (2000) https://doi.org/10.1117/12.375145
Event: Advanced High-Power Lasers and Applications, 1999, Osaka, Japan

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.

Citation Download Citation

ChangHee Nam, H. J. Shin, DongGun Lee, Yong Ho Cha, and KyungHan Hong "High-harmonic generation in an intense femtosecond laser field", Proc. SPIE 3886, High-Power Lasers in Energy Engineering, (11 January 2000); https://doi.org/10.1117/12.375145

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