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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 29, Iss. 8 — Apr. 15, 2004
  • pp: 893–895

High-order harmonic generation by nonlinear reflection of an intense high-contrast laser pulse on a plasma

Pascal Monot, Gilles Doumy, Sundrine Dobosz, Michel Perdrix, Pascal D'Oliveira, Fabion Quéré, Fabrice Réau, Philippe Martin, Patrick Audebert, Jean-Claude Gauthier, and Jean-Paul Geindre  »View Author Affiliations


Optics Letters, Vol. 29, Issue 8, pp. 893-895 (2004)
http://dx.doi.org/10.1364/OL.29.000893


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Abstract

We demonstrate the use of a plasma mirror to obtain 60-fs 10-TW laser pulses with a temporal contrast of 10<sup>8</sup> on a nanosecond time scale and 10<sup>6</sup> on a picosecond time scale, and we use these high-contrast pulses to generate high harmonics by nonlinear reflection on a plasma with a steep electronic density gradient. Well-collimated harmonics up to 20th order are observed for a laser intensity of ≈3×10<sup>17</sup> W/cm<sup>2</sup>, whereas no harmonics are obtained without the plasma mirror.

© 2004 Optical Society of America

OCIS Codes
(140.7090) Lasers and laser optics : Ultrafast lasers
(190.4160) Nonlinear optics : Multiharmonic generation
(320.7080) Ultrafast optics : Ultrafast devices
(350.5400) Other areas of optics : Plasmas

Citation
Pascal Monot, Gilles Doumy, Sundrine Dobosz, Michel Perdrix, Pascal D'Oliveira, Fabion Quéré, Fabrice Réau, Philippe Martin, Patrick Audebert, Jean-Claude Gauthier, and Jean-Paul Geindre, "High-order harmonic generation by nonlinear reflection of an intense high-contrast laser pulse on a plasma," Opt. Lett. 29, 893-895 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-8-893

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