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Anomalous enhancement of a single high-order harmonic by using a laser-ablation tin plume at 47 nm.

Authors
  • Suzuki, Masayuki
  • Baba, Motoyoshi
  • Ganeev, Rashid
  • Kuroda, Hiroto
  • Ozaki, Tsuneyuki
Type
Published Article
Journal
Optics letters
Publication Date
Nov 15, 2006
Volume
31
Issue
22
Pages
3306–3308
Identifiers
PMID: 17072405
Source
Medline
License
Unknown

Abstract

We have successfully demonstrated intensity enhancement of a single high-order harmonic at a wavelength of 46.76 nm by using low-ionized tin ions in a laser-ablation plume as the nonlinear medium. The ablation plume was produced by irradiating a solid tin target with a 10 mJ energy picosecond laser pulse. Strong 17th-harmonic generation at a wavelength of 46.76 nm was observed with a conversion efficiency of about 10(-4). We attribute the strong enhancement of the single high-order harmonic to multiphoton resonance with a strong radiative transition of the Sn II ion.

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