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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 2 — Jan. 15, 2012
  • pp: 238–240

Efficient generation of isolated attosecond pulses with high beam quality by two-color Bessel–Gauss beams

Zhe Wang, Weiyi Hong, Qingbin Zhang, Shaoyi Wang, and Peixiang Lu  »View Author Affiliations

Optics Letters, Vol. 37, Issue 2, pp. 238-240 (2012)

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The generation of isolated attosecond pulses with high efficiency and high beam quality is essential for attosecond spectroscopy. We numerically investigate the supercontinuum generation in a neutral rare-gas medium driven by a two-color Bessel–Gauss beam. The results show that an efficient smooth supercontinuum in the plateau is obtained after propagation and the spatial profile of the generated attosecond pulse is Gaussian-like with the divergence angle of 0.1° in the far-field. This bright source with high beam quality is beneficial for detecting and controlling the microscopic processes on attosecond time scale.

© 2012 Optical Society of America

OCIS Codes
(190.4160) Nonlinear optics : Multiharmonic generation
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(300.6560) Spectroscopy : Spectroscopy, x-ray

ToC Category:
Nonlinear Optics

Original Manuscript: September 15, 2011
Revised Manuscript: November 7, 2011
Manuscript Accepted: November 25, 2011
Published: January 13, 2012

Zhe Wang, Weiyi Hong, Qingbin Zhang, Shaoyi Wang, and Peixiang Lu, "Efficient generation of isolated attosecond pulses with high beam quality by two-color Bessel–Gauss beams," Opt. Lett. 37, 238-240 (2012)

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