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侧链含杂环偶氮结构聚合物的三阶非线性光学性能
Third-order nonlinearity optical property of azoheterocycle-containing side-chain polymer
【摘要】 合成了具非线性光学性能的杂环偶氮生色团的单体化合物甲基丙烯酸(4-苯并噻唑-2-偶氮基苯基)酯(BAMA),并通过自由基聚合得到均聚物聚甲基丙烯酸(4-苯并噻唑-2-偶氮基苯基)酯(PBAMA).利用1 H-NMR验证了聚合物的结构,采用Z-扫描法研究了聚合物溶液的三阶非线性光学性能.结果表明,单体和聚合物均具有较高的三阶非线性光学系数.
【Abstract】 The azoheterocycle compound 4-benzothiazole-2-ylazo-phenyl-methacrylate(BAMA)containing vinyl is designed as monomer.The polymer containing azoheterocycle nonlinearity optical property(NLO)chromophore in each side chain is synthesized via free radical polymerization.The structure of the polymers is characterized by 1 H-NMR.The third-order NLO coefficient of the polymer is measured by Z-scan technique.Obvious third-order nonlinear optical property is observed for the monomer and the polymer.
【关键词】 偶氮;
三阶非线性光学性能;
Z-扫描;
紫外-可见光谱;
【Key words】 azo; third-order NLO property; Z-scan technique; UV-Vis spectra;
【Key words】 azo; third-order NLO property; Z-scan technique; UV-Vis spectra;
【基金】 国家自然科学基金资助项目(21304079);江苏省自然科学基金资助项目(BK20141262)
- 【文献出处】 扬州大学学报(自然科学版) ,Journal of Yangzhou University(Natural Science Edition) , 编辑部邮箱 ,2016年04期
- 【分类号】O631
- 【下载频次】74