Second-harmonic generation and non-resonant absorption in sub-picosecond laser-solid interactions

被引：0
|
作者：
Hansen, CT [1 ]
Young, PE [1 ]
Wilks, SC [1 ]
机构：
[1] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA
来源：
HIGH-FIELD SCIENCE | 2000年
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D O I：
暂无
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Second harmonic emission produced by the interaction of a 130 fs laser pulse with solid aluminum has been spectrally analyzed. For an angle of incidence near 20degrees, the specular second harmonic is blue shifted when the laser intensity exceeds 1 X 1017 W/cm(2). This effect is also observed in PIC simulations of the experiment. Several absorption mechanisms are examined for their consistency with the data.
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页码：73 / 81
页数：9
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