High-order harmonic generation of picosecond radiation of moderate intensity in laser plasma

被引：1

作者：

Boltaev, G. S. ^{[1
]}

Ganeev, R. A. ^{[1
]}

Kulagin, I. A. ^{[1
]}

Satlikov, N. Kh ^{[1
]}

Usmanov, T. ^{[1
]}

机构：

[1] Uzbek Acad Sci, Inst Ion Plasma & Laser Technol, Tashkent 100125, Uzbekistan

来源：

QUANTUM ELECTRONICS | 2012年 / 42卷 / 10期

关键词：

high-order harmonic generation; picosecond radiation; laser plasma; metals; carbon-containing materials; RARE-GASES; EMISSION; IONS; ENHANCEMENT; CONVERSION; TARGETS; FIELD;

D O I：

10.1070/QE2012v042n10ABEH014931

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The results of investigations into the generation of high-order harmonics (up to the 21st order) of picosecond (tau = 38 ps) Nd : YAG laser radiation in the plasma produced by laser ablation of metal and carbon-containing material surfaces are presented. We demonstrate the feasibility of generating high-order harmonics in the vacuum ultraviolet spectral range (with radiation wavelengths shorter than 120 nm) in plasmas with an efficiency of similar to 0.7 x 10(-4). In carbon-containing plasma, the 7th harmonic intensity exceeded that of the 5th one by a factor of seven.

引用

页码：899 / 906

页数：8

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