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Proceedings Paper

Ablation harmonics: a novel technique for highly efficient harmonic generation
Author(s): T. Ozaki; R. A. Ganeev; M. Suzuki; M. Baba; H. Kuroda
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Paper Abstract

We demonstrate the first observation of significant resonance enhancement of a single high-order harmonic in the extreme ultraviolet region. Such intense harmonics are generated during the interaction of a femtosecond Ti:sapphire laser pulse with low-ionized indium ablation. A strong 13th harmonic (61.2 nm) with conversion efficiency of 8×10-5 and output intensity almost two orders of magnitude higher than neighbouring harmonics is demonstrated. Such an approach paves the way for efficient single-harmonic enhancement in the extreme ultraviolet range using different ablation sources.

Paper Details

Date Published: 1 October 2005
PDF: 8 pages
Proc. SPIE 5971, Photonic Applications in Nonlinear Optics, Nanophotonics, and Microwave Photonics, 59710A (1 October 2005); doi: 10.1117/12.628692
Show Author Affiliations
T. Ozaki, Univ. du Quebec (Canada)
R. A. Ganeev, Univ. of Tokyo (Japan)
M. Suzuki, Univ. of Tokyo (Japan)
M. Baba, Univ. of Tokyo (Japan)
H. Kuroda, Univ. of Tokyo (Japan)

Published in SPIE Proceedings Vol. 5971:
Photonic Applications in Nonlinear Optics, Nanophotonics, and Microwave Photonics

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