Optical third harmonic generation in methane

被引:2
|
作者
Wang, PQ
Xie, XB
Sun, TH
机构
[1] Department of Physics, Peking University
关键词
D O I
10.1088/0256-307X/14/10/006
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Methane has been used as a nonlinear optical medium to produce tunable coherent vacuum ultraviolet and extreme ultraviolet radiation. A vibrational structure with a vibrational frequency of 820 cm(-1) was observed in a. highly resolved third harmonic spectrum. This proved that third harmonic generation is an effective method to probe the higher excited states of molecular gases. PACS: 42.65.Ky, 33.20.Ni.
引用
收藏
页码:740 / 743
页数:4
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