Effect of nonlinear refraction and two-photon absorption on the optical limiting in amorphous chalcogenide films

被引：7
|
作者：
Ganeev, RA [1 ]
Ryasnyanskii, AI
Usmanov, T
机构：
[1] Uzbek Acad Sci, Akadempribor Res & Prod Assoc, Tashkent 700143, Uzbekistan
[2] Samarkand State Univ, Samarkand 703004, Uzbekistan
来源：
PHYSICS OF THE SOLID STATE | 2003年 / 45卷 / 02期
关键词：
D O I：
10.1134/1.1553519
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
This paper reports on the results of investigations into the nonlinear optical characteristics of chalcogenide films (As2S3 , As20S80 , 2As(2)S(3)/As2Se3 , 3As(2)S(3)/As2Se3). The nonlinear refractive indices and two-photon absorption coefficients for these films are measured using the Z-scan technique at wavelengths of a picosecond Nd : YAG laser (lambda = 1064 and 532 nm). The optical limiting due to Kerr-type nonlinearities is analyzed. (C) 2003 MAIK "Nauka / Interperiodica".
引用
收藏
页码：207 / 213
页数：7
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