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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 23 — Nov. 9, 2009
  • pp: 20959–20965

An investigation of harmonic generation in liquid media with a mid-infrared laser

Anthony D. DiChiara, Emily Sistrunk, Terry A. Miller, Pierre Agostini, and Louis F. DiMauro  »View Author Affiliations

Optics Express, Vol. 17, Issue 23, pp. 20959-20965 (2009)

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Abstract: We present a harmonic generation experiment using liquid H2O and D2O interrogated by a mid-infrared, 3.66 μm, laser at a maximum intensity of 8x1013 W/cm2. The unique aspects of the experiment include the long wavelength and short (9 cycle-110 fs) pulse duration of the laser as well as the near-resonant excitation of the H2O and D2O vibrational modes. We observe up to the 13th harmonic order in H2O and intensity scaling is consistent with a direct perturbative process up to the 9th harmonic order. Phase matching and resonant absorption are unable to account for the observed differences in harmonic yields between samples.

© 2009 OSA

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(020.2649) Atomic and molecular physics : Strong field laser physics

ToC Category:
Atomic and Molecular Physics

Original Manuscript: June 25, 2009
Revised Manuscript: August 7, 2009
Manuscript Accepted: September 1, 2009
Published: November 2, 2009

Anthony D. DiChiara, Emily Sistrunk, Terry A. Miller, Pierre Agostini, and Louis F. DiMauro, "An investigation of harmonic generation in liquid media with a mid-infrared laser," Opt. Express 17, 20959-20965 (2009)

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