Title :
Above-threshold double ionization of helium with attosecond intense soft X-ray pulses
Author :
Ishikawa, Kenichi L. ; Midorikawa, Katsumi
Author_Institution :
Dept. of Quantum Eng. & Syst. Sci., Tokyo Univ., Japan
Abstract :
We theoretically study above-threshold double ionization of helium by attosecond, intense high-order harmonic pulses. Whereas the two electrons are ejected sequentially, the ionization interval is so short that they can exchange energy.
Keywords :
X-ray spectra; atom-photon collisions; helium neutral atoms; optical harmonic generation; photoionisation; two-photon processes; attosecond intense soft X-ray pulse; double ionization; helium; intense high-order harmonic pulse; Chemical lasers; Chemical technology; Electron optics; Helium; Ionization; Nonlinear optics; Optical harmonic generation; Optical pulses; Space vector pulse width modulation; X-ray lasers;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2005. QELS '05
Print_ISBN :
1-55752-796-2
DOI :
10.1109/QELS.2005.1549348
