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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 3 — Jan. 31, 2011
  • pp: 2797–2804

Femtosecond crystallographic experiment in wide-bandgap LiF crystal

Hatem Dachraoui, Christian Oberer, and Ulrich Heinzmann  »View Author Affiliations


Optics Express, Vol. 19, Issue 3, pp. 2797-2804 (2011)
http://dx.doi.org/10.1364/OE.19.002797


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Abstract

We report a femtosecond crystallographic study of the dependence of the free-carries generation to the alignment of a crystalline sample to the laser polarization. The probe pulse transmission exhibits a π/2 modulation that is shown to be correlated with the direction dependence of the effective electron mass. This observation suggests that nonlinear ionization is the first channel for free electron generation during the laser pulse. Moreover, the temporal evolution of the probe pulse transmission indicates the dominance of the avalanche ionization and that nonlinear ionization provides the initial seed electrons for avalanche.”

© 2011 OSA

OCIS Codes
(190.4180) Nonlinear optics : Multiphoton processes
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Nonlinear Optics

History
Original Manuscript: November 30, 2010
Revised Manuscript: January 20, 2011
Manuscript Accepted: January 21, 2011
Published: January 28, 2011

Citation
Hatem Dachraoui, Christian Oberer, and Ulrich Heinzmann, "Femtosecond crystallographic experiment in wide-bandgap LiF crystal," Opt. Express 19, 2797-2804 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-3-2797


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