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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editor: Gregory W. Faris
  • Vol. 1, Iss. 5 — May. 5, 2006

Optimization of single attosecond x-ray pulses by genetic algorithm control of the chirp and initial phase of 5 fs laser pulses

Jun Xiao, Zhenrong Sun, Xiangyun Zhang, Yufeng Wang, Weiping Zhang, Zugeng Wang, Ruxin Li, and Zhizhan Xu  »View Author Affiliations

JOSA B, Vol. 23, Issue 4, pp. 771-775 (2006)

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We show that the peak intensity of single attosecond x-ray pulses is enhanced by 1 or 2 orders of magnitude, the pulse duration is greatly compressed, and the optimal propagation distance is shortened by genetic algorithm optimization of the chirp and initial phase of 5 fs laser pulses. However, as the laser intensity increases, more efficient nonadiabatic self-phase matching can lead to a dramatically enhanced harmonic yield, and the efficiency of optimization decreases in the enhancement and compression of the generated attosecond pulses.

© 2006 Optical Society of America

OCIS Codes
(020.4180) Atomic and molecular physics : Multiphoton processes
(140.7090) Lasers and laser optics : Ultrafast lasers
(140.7240) Lasers and laser optics : UV, EUV, and X-ray lasers
(190.4160) Nonlinear optics : Multiharmonic generation
(270.6620) Quantum optics : Strong-field processes
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Ultrafast Optics

Original Manuscript: March 7, 2005
Revised Manuscript: June 13, 2005
Manuscript Accepted: September 18, 2005

Virtual Issues
Vol. 1, Iss. 5 Virtual Journal for Biomedical Optics

Jun Xiao, Zhenrong Sun, Xiangyun Zhang, Yufeng Wang, Weiping Zhang, Zugeng Wang, Ruxin Li, and Zhizhan Xu, "Optimization of single attosecond x-ray pulses by genetic algorithm control of the chirp and initial phase of 5 fs laser pulses," J. Opt. Soc. Am. B 23, 771-775 (2006)

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