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Third-order nonlinear optical properties of bromo[tri-α-(2,4-dimethyl-3-pentyloxy) subphthalocyanine] boron

Song Ying-Lin Xia Chun-Hui Chen Zhi-Min Wu Yi-Qun

Third-order nonlinear optical properties of bromo[tri-α-(2,4-dimethyl-3-pentyloxy) subphthalocyanine] boron

Song Ying-Lin, Xia Chun-Hui, Chen Zhi-Min, Wu Yi-Qun
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  • Received Date:  04 March 2005
  • Accepted Date:  18 April 2005
  • Published Online:  20 November 2005

Third-order nonlinear optical properties of bromo[tri-α-(2,4-dimethyl-3-pentyloxy) subphthalocyanine] boron

  • 1. (1)哈尔滨工业大学应用物理系,哈尔滨 150001; (2)黑龙江大学化学化工与材料学院功能材料实验室,哈尔滨 150080

Abstract: The third-order nonlinear optical properties of a new subphthalocyanine complexe (bromo[tri-α-(2,4-dimethyl-3-pentyloxy) subphthalocyanine] boron) was studied by Z-scan using 8ns laser pulses at 532nm. It was found that the compound shows a strong reverse saturation absorption (β=3.7×10-10 m/W) and nonlinear self-focusing refraction effects (n2=7.2×10-11 esu). The third-order nonlinear susceptibility (χ(3)) is 1.1×10-11esu.The effects of cone-chaped molecular structure and axially heavy-atom (Br) substitution on third-order nonlinear optical properties are also discussed.

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