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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 5 — Feb. 27, 2012
  • pp: 5601–5606

Improving high-order harmonic yield using wavefront-controlled ultrashort laser pulses

Stefan Eyring, Christian Kern, Michael Zürch, and Christian Spielmann  »View Author Affiliations

Optics Express, Vol. 20, Issue 5, pp. 5601-5606 (2012)

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In this work we show that it is possible to increase the high-order harmonic yield when using wavefront-shaped laser beams. The investigation of the beam profile near the interaction region shows that the optimized beam is asymmetric and has a larger diameter. Thus, the optimized beam leads to a higher yield even if the peak intensity is lower compared to an unoptimized beam. This indicates that the wavefront of the fundamental laser beam and, accordingly, the focal profile play an important role in the efficient generation of high-order harmonic radiation.

© 2012 OSA

OCIS Codes
(320.7110) Ultrafast optics : Ultrafast nonlinear optics
(340.7480) X-ray optics : X-rays, soft x-rays, extreme ultraviolet (EUV)
(020.2649) Atomic and molecular physics : Strong field laser physics

ToC Category:
Ultrafast Optics

Original Manuscript: December 14, 2011
Revised Manuscript: January 26, 2012
Manuscript Accepted: January 27, 2012
Published: February 22, 2012

Stefan Eyring, Christian Kern, Michael Zürch, and Christian Spielmann, "Improving high-order harmonic yield using wavefront-controlled ultrashort laser pulses," Opt. Express 20, 5601-5606 (2012)

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