Investigation of the nonlinear absorption and optical limiting properties of two [Q]2[Cu(C3S5)2] compounds

被引：19

作者：

Fan, Heliang ^{[1
,2
]}

Wang, Xinqiang ^{[1
,2
]}

Ren, Quan ^{[3
]}

Zhao, Xian ^{[1
,2
]}

Zhang, Guanghui ^{[1
,2
]}

Chen, Jingwei ^{[3
]}

Xu, Dong ^{[1
,2
]}

Yu, Gang ^{[1
,2
]}

Sun, Zhihua ^{[1
,2
]}

机构：

[1] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China

[2] Shandong Univ, Inst Crystal Mat, Jinan 250100, Peoples R China

[3] Shandong Univ, Dept Opt, Jinan 250100, Peoples R China

来源：

OPTICS AND LASER TECHNOLOGY | 2010年 / 42卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Reverse saturable absorption; Optical limiting; Z-scan technique; REVERSE SATURABLE ABSORPTION; PERFORMANCE; FULLERENES; COMPLEXES; C-60;

D O I：

10.1016/j.optlastec.2009.11.017

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The nonlinear absorption properties of two organometallic compounds, [(C2H5)(4)N](2)[Cu(C3S5)(2)] (DCu1) and [(C4H9)(4)N](2)[Cu(C3S5)(2)] (DCu2), have been investigated using an open-aperture Z-scan technique at 1064 nm with 40 ps pulse width and at 1053 nm with 18 ns pulse width. The reverse saturable absorption (RSA) which was observed in both samples with nanosecond pulse excitation was much larger than that observed with picosecond pulse excitation. The nonlinear absorption properties were analyzed theoretically by a five-level model. Optical limiting based on RSA was performed and limiting thresholds were evaluated for both samples under three conditions. DCu1 exhibited the better limiting characteristics because of its stronger RSA response. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：732 / 736

页数：5

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