Enhanced high-order-harmonic generation in a carbon ablation plume

R. A. Ganeev, T. Witting, C. Hutchison, F. Frank, P. V. Redkin, W. A. Okell, Dangyuan Lei, T. Roschuk, S. A. Maier, J. P. Marangos, J. W G Tisch

Research output: Journal article publicationJournal articleAcademic researchpeer-review

73 Citations (Scopus)

Abstract

We report on the observation of enhanced high harmonics from a carbon plasma using sub-5-fs laser pulses. The efficiency of harmonic generation in the range of 14-25 eV was up to five times higher in the case of a plasma medium (graphite ablation) compared with gas (argon) under similar experimental conditions. The harmonic enhancement can be attributed to the presence of carbon nanoparticles in the ablation plumes.
Original languageEnglish
Article number015807
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume85
Issue number1
DOIs
Publication statusPublished - 26 Jan 2012
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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