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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 16, Iss. 11 — Nov. 1, 1999
  • pp: 1880–1885

Generation of extreme ultraviolet tunable frequencies from mixed fields

Rachel Hasbani, Eric Cormier, and Henri Bachau  »View Author Affiliations


JOSA B, Vol. 16, Issue 11, pp. 1880-1885 (1999)
http://dx.doi.org/10.1364/JOSAB.16.001880


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Abstract

The generation of harmonics from two mixed laser fields of noncommensurate frequencies is analyzed. We address the case of the hydrogen atom irradiated both by a laser field of wavelength λ<sub>0</sub>=1231 nm with an intensity <i>I</i><sub>0</sub>=4×10<sup>13</sup> W cm<sup>−2</sup> and by a tunable laser field of wavelength approximately λ<sub>1</sub>=2071 nm with an intensity <i>I</i><sub>1</sub>≪<i>I</i><sub>0</sub>. We study the temporal profile and the efficiency of two-color harmonic generation far from the saturation regime. We focus on situations in which an even number of photons ω<sub>0</sub> are absorbed in association with the emission or absorption of one photon ω<sub>1</sub> of the second laser. The influence of the second laser on the production of the main harmonic spectrum is also analyzed.

© 1999 Optical Society of America

OCIS Codes
(020.4180) Atomic and molecular physics : Multiphoton processes
(190.4160) Nonlinear optics : Multiharmonic generation

Citation
Rachel Hasbani, Eric Cormier, and Henri Bachau, "Generation of extreme ultraviolet tunable frequencies from mixed fields," J. Opt. Soc. Am. B 16, 1880-1885 (1999)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-16-11-1880

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