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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. 9 — Sep. 1, 1999
  • pp: 1377–1384

Optimum conical angle of a Bessel–Gauss beam for low-order harmonic generation in gases

C. F. R. Caron and R. M. Potvliege  »View Author Affiliations


JOSA B, Vol. 16, Issue 9, pp. 1377-1384 (1999)
http://dx.doi.org/10.1364/JOSAB.16.001377


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Abstract

We determine the conical half-angle at which a weak, loosely focused Bessel–Gauss beam of fixed focal intensity and confocal parameter is most efficient at generating a given harmonic in a gaseous target of arbitrary density profile. Simple analytical results are compared with fully numerical calculations for hydrogen, xenon, and rubidium. The variation of the conversion efficiency with the conical half-angle is shown to depend on the properties of the medium only through the macroscopic dispersion.

© 1999 Optical Society of America

OCIS Codes
(020.4180) Atomic and molecular physics : Multiphoton processes
(190.2620) Nonlinear optics : Harmonic generation and mixing

Citation
C. F. R. Caron and R. M. Potvliege, "Optimum conical angle of a Bessel–Gauss beam for low-order harmonic generation in gases," J. Opt. Soc. Am. B 16, 1377-1384 (1999)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-16-9-1377

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