Third-Order Optical Nonlinearity of a Novel Material：（Tetramethylammonium） bis （1,3-dithiole-2-thione-4,5-dithiolato） Copper  

作　　者：冯林 王彦玲 任诠 张光辉 杨洪亮 孙香冰 

机构地区：[1]Department of Optics, Shandong University, Jinan 250100 [2]State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100

出　　处：《Chinese Physics Letters》2005年第11期2834-2836,共3页中国物理快报（英文版）

基　　金：Supported by the National Natural Science Foundation under Grant No 60377016 and 60476020, and the National High Technology Development Program of China under Grant No 2002AA313070.

摘　　要：A novel dmit^2- salt： （tetramethylammonium）bis（1,3-dithiole-2-thione-4,5-dithiolato） copper, abbreviated as MECu, is synthesized and its third-order optical nonlinearity is characterized by Z-scan technique at a wavelength of 1064nm with laser duration of 30ps. Z-scan curves reveal a negative Kerr coefficient at 1064nm and no nonlinear absorption is observed. The nonlinear refraction coefficient n2 and the second hyperpolarizability γ have been determined to be as large as 2.15 × 10^-11 esu and 3.23 × 10^-31 esu, respectively, suggesting MECu is a potential material for optical device applications.A novel dmit^2- salt： （tetramethylammonium）bis（1,3-dithiole-2-thione-4,5-dithiolato） copper, abbreviated as MECu, is synthesized and its third-order optical nonlinearity is characterized by Z-scan technique at a wavelength of 1064nm with laser duration of 30ps. Z-scan curves reveal a negative Kerr coefficient at 1064nm and no nonlinear absorption is observed. The nonlinear refraction coefficient n2 and the second hyperpolarizability γ have been determined to be as large as 2.15 × 10^-11 esu and 3.23 × 10^-31 esu, respectively, suggesting MECu is a potential material for optical device applications.

关 键 词：Z-SCAN MEASUREMENTS COMPLEXES METAL 

分 类 号：O433.54[机械工程—光学工程]