Strong resonance enhancement of a single harmonic generated in the extreme ultraviolet range

被引：161

作者：

Ganeev, RA

Suzuki, M

Baba, M

Kuroda, H

Ozaki, T

机构：

[1] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan

[2] Inst Natl Rech Sci, Varennes, PQ J3X 1S2, Canada

来源：

OPTICS LETTERS | 2006年 / 31卷 / 11期

关键词：

D O I：

10.1364/OL.31.001699

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report the demonstration of strong resonance enhancement of a single high-order harmonic in the extreme ultraviolet (XUV) region generated from the interaction of a femtosecond pulse with low-ionized In ablation. A strong 13th harmonic (61.2 nm) of Ti:sapphire laser radiation with output intensity almost two orders of magnitude higher than neighboring harmonics was observed in these studies. The high conversion efficiency of the 13th. harmonic (8 X 10(-5)) is attributed to multiple collisions of electron trajectories with the origin due to multiphoton resonance with the In ion. (c) 2006 Optical Society of America

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页码：1699 / 1701

页数：3

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