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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 22 — Oct. 31, 2005
  • pp: 8708–8716

Verification of a scaling law in few-cycle laser pulses

Xiaoming Zhang, Jingtao Zhang, Lihua Bai, Qihuang Gong, and Zhizhan Xu  »View Author Affiliations


Optics Express, Vol. 13, Issue 22, pp. 8708-8716 (2005)
http://dx.doi.org/10.1364/OPEX.13.008708


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Abstract

The scaling law of photoionization in few-cycle laser pulses is verified in this paper. By means of numerical solution of time-dependent Schrödinger equation, the photoionization and the asymmetry degree of photoionization of atoms with different binding potential irradiated by various laser pulses are studied. We find that the effect of increasing pulse intensity is compensated by deepening the atomic binding potential. In order to keep the asymmetric photoionization unchanged, if the central frequency of the pulse is enlarged by k times, the atomic binding potential should also be enlarged by k times, and the laser intensity should be enlarged by k3 times.

© 2005 Optical Society of America

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

ToC Category:
Research Papers

History
Original Manuscript: September 12, 2005
Revised Manuscript: October 10, 2005
Published: October 31, 2005

Citation
Xiaoming Zhang, Jingtao Zhang, Lihua Bai, Qihuang Gong, and Zhizhan Xu, "Verification of a scaling law in few-cycle laser pulses," Opt. Express 13, 8708-8716 (2005)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-13-22-8708


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References

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