Femtosecond Z-scan measurement of third-order nonlinear refractive indices of BaMgF4

被引：11

作者：

Chen, Junjie ^{[1
]}

Chen, Xianfeng ^{[1
]}

Wu, Anhua ^{[2
]}

Li, Hongjun ^{[2
]}

Zheng, Yuanlin ^{[1
]}

Ma, Yanzhi ^{[1
]}

Jiang, Linwen ^{[2
]}

Xu, Jun ^{[2
]}

机构：

[1] Shanghai Jiao Tong Univ, Key Lab Laser Plasmas, Minist Educ, Dept Phys, Shanghai 200240, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 200050, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2011年 / 98卷 / 19期

基金：

中国国家自然科学基金;

关键词：

MAGNESIUM BARIUM FLUORIDE; OPTICAL NONLINEARITY; SINGLE-CRYSTAL; ULTRAVIOLET; GENERATION; ABSORPTION; DEEP;

D O I：

10.1063/1.3587642

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The BaMgF4 single crystal is grown by Bridgman method. The third order nonlinear refractive indices along three crystallographic axes are determined by Z scan technique with femtosecond laser. The largest one that has a value of 2.35 x 10(-18) m(2) /W is along the c axis and the corresponding third order nonlinear susceptibility is 1.24 x 10(-12) esu. This value is compared with LiNbO3 through self phase modulation effect. Furthermore, the mechanism and the possible applications of the relatively large third order nonlinear refractive indices are also discussed at last. (C) 2011 American Institute of Physics. [doi: 10.1063 / 1.3587642]

引用

页数：3

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