Femtosecond extreme-ultraviolet quasi-continuum generation by an intense femtosecond Ti:sapphire laser

被引：16
|
作者：
Sekikawa, T [1 ]
Kumazaki, T [1 ]
Kobayashi, Y [1 ]
Nabekawa, Y [1 ]
Watanabe, S [1 ]
机构：
[1] Univ Tokyo, Inst Solid State Phys, Minato Ku, Tokyo 106, Japan
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 1998年 / 15卷 / 04期
关键词：
D O I：
10.1364/JOSAB.15.001406
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A femtosecond broadband extreme-ultraviolet quasi-continuum was generated by an intense femtosecond Ti:sapphire laser by two nonlinear optical processes. The first process is the generation of the broadband harmonics by focusing the blueshifted laser pulse through a rare gas. The spectral blueshift is caused by self-phase modulation owing to ionization of the target gas. The second process is the generation of broadband even-order harmonics by the superposition of the second-harmonic electric field upon the fundamental. (C) 1998 Optical Society of America.
引用
收藏
页码：1406 / 1409
页数：4
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