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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 12 — Jun. 11, 2007
  • pp: 7261–7268

A scaling law of photoionization in few-cycle regime

Jingtao Zhang, Lihua Bai, Shangqing Gong, Zhizhan Xu, and D.-S. Guo  »View Author Affiliations

Optics Express, Vol. 15, Issue 12, pp. 7261-7268 (2007)

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In this paper, a scaling law of photoionization of atoms irradiated by intense, few-cycle laser pulses is established. The scaling law sets a relation to the phase-dependent ionization with the kinetic energy of photoelectrons, the duration and peak intensity of short pulses, and the ionization potential of the target atoms. We find that it will be advantageous to manifest the phase-dependent photoionization by choosing the target atoms with larger ionization potential, using laser with smaller carrier-frequency, and increasing the pulse intensity.

© 2007 Optical Society of America

OCIS Codes
(020.4180) Atomic and molecular physics : Multiphoton processes
(190.4180) Nonlinear optics : Multiphoton processes
(270.4180) Quantum optics : Multiphoton processes
(270.6620) Quantum optics : Strong-field processes
(320.2250) Ultrafast optics : Femtosecond phenomena

ToC Category:
Atomic and Molecular Physics

Original Manuscript: February 9, 2007
Revised Manuscript: April 29, 2007
Manuscript Accepted: May 1, 2007
Published: May 30, 2007

Jingtao Zhang, Lihua Bai, Shangqing Gong, Zhizhan Xu, and D.-S. Guo, "A scaling law of photoionization in few-cycle regime," Opt. Express 15, 7261-7268 (2007)

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