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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 13, Iss. 2 — Feb. 1, 1996
  • pp: 430–435

High-order harmonic generation in a partially ionized medium

Pablo Moreno, Luis Plaja, and Luis Roso  »View Author Affiliations


JOSA B, Vol. 13, Issue 2, pp. 430-435 (1996)
http://dx.doi.org/10.1364/JOSAB.13.000430


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Abstract

The harmonic spectra generated by atoms in the presence of an ionized neighborhood are investigated. Numerical calculations in a one-dimensional model show an increase of the maximum harmonic energy radiated that leads to photon frequencies well beyond the single-atom cutoff Ip + 3.17Up. We identify these harmonics with those generated when the atom's detached electron is captured by a neighboring ion. By means of classical considerations, we give simple laws for the new harmonic cutoff in the tunneling and the multiphoton ionization regimes.

© 1996 Optical Society of America

Citation
Pablo Moreno, Luis Plaja, and Luis Roso, "High-order harmonic generation in a partially ionized medium," J. Opt. Soc. Am. B 13, 430-435 (1996)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-13-2-430

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