Phase-matched high-order-harmonic generation in a gas-filled hollow fiber

被引：63

作者：

Tamaki, Y ^{[1
]}

Nagata, Y ^{[1
]}

Obara, M ^{[1
]}

Midorikawa, K ^{[1
]}

机构：

[1] RIKEN, Inst Phys & Chem Res, Laser Technol Lab, Wako, Saitama 3510198, Japan

来源：

PHYSICAL REVIEW A | 1999年 / 59卷 / 05期

关键词：

D O I：

10.1103/PhysRevA.59.4041

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Phase-matched high-order-harmonic generation of Ti:sapphire laser pulses of approximate to 10(14) W/cm(2) has been demonstrated using a gas-filled hollow fiber. The high-order-harmonic spectrum emitted from the fiber showed an intensity distribution significantly different from that in free space, indicating more than a hundred times enhancement around the 25th harmonic. A simple phase-matching calculation considering positive dispersion due to plasma and negative dispersion due to neutrals indicates that macroscopic phase matching achieved in the fiber is responsible for the strong enhancement. [S1050-2947(99)08305-5].

引用

页码：4041 / 4044

页数：4

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