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Nonlinear optical absorption and refraction properties of ytterbium phthalocyanine dimer and trimer derivative
Author(s): Peng Zhao; Lei Huang; Zhongyu Li; Fushi Zhang
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Paper Abstract

Three ytterbium phthalocyanine compounds, ytterbium bis- phthalocyanine (Yb(Pc)2), ytterbium bis- [(tetrakis- (tertiary-pentyloxy) phthalocyanine)] [Yb(Pc(t-OR5)4)2], bis-ytterbium tris- [(tetrakis- (tertiary-pentyloxy) phthalocyanine)] [Yb2(Pc(t-OR5)4)3] have been synthesized and characterized by electronic spectrum, MS and element analysis. The Uv-vis spectrum indicated lower aggregation trend and red shift of Q bands with phthalocyanine ring increasing from dimer to trimer. The nonlinear optical properties of these compounds in THF solution were investigated by Z-scan method used 532 nm picosecond laser under open and close aperture condition. Both compounds showed reverse saturation absorption and nonlinear self-focus refraction effect. The nonlinear absorption and refraction capacity decreased with the order: Yb2(Pc(t-OR5)4)3 >Yb(Pc(t-OR5)4)2> Yb(Pc)2.

Paper Details

Date Published: 4 January 2008
PDF: 8 pages
Proc. SPIE 6839, Nonlinear Optics: Technologies and Applications, 683902 (4 January 2008); doi: 10.1117/12.757340
Show Author Affiliations
Peng Zhao, Tsinghua Univ. (China)
Lei Huang, Tsinghua Univ. (China)
Zhongyu Li, Tsinghua Univ. (China)
Fushi Zhang, Tsinghua Univ. (China)

Published in SPIE Proceedings Vol. 6839:
Nonlinear Optics: Technologies and Applications
Yiping Cui; Qihuang Gong; Yuen-Ron Shen, Editor(s)

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