合成了3种1,3,4-噻二唑偶氮化合物,其中1种为新化合物,用IR、1H NMR和元素分析表征了其结构.采用飞秒激光,运用简并四波混频法,研究了化合物在非共振状态下的三阶非线性光学性能.它们的三阶非线性光学极化率X(3)为(3.84~3.95)×10-13esu,非线性折射率n2为(7.07~7.27)×10-12esu,分子二阶超极化率γ为(3.56~3.72)×1031esu,响应时间τ为101fs.探索了化合物的分子结构对三阶非线性光学性能的影响.引入离域能小的芳杂环,形成吸供构型,增大取代基的吸或供电子能力等有利于获得较大的三阶非线性光学性能.
参考文献
[1] | 沈玉全.推拉型偶氮化合物的三阶非线性和光学双稳效应[J].光学学报,1992(03):218. |
[2] | 苏丽娟,刘国良,张晓槟,金霞.3-溴-4-丁氧基-4'-硝基偶氮苯三阶非线性光学性能的研究[J].光学技术,2006(03):474-475. |
[3] | 钱鹰;单训英;刘举正 .非线性光学活性分子的三阶非线性极化率[J].功能材料,1999,30(05):535. |
[4] | Yin S C;Xu H Y;Shi W F et al.The enhancement effect of hydrogen bond on the third-order nonlinear optical properties[J].Dyes and Pigments,2006,71:138. |
[5] | 王建华,雷文,王远亮.噻二唑类Schiff碱配合物的合成及其对超氧阴离子自由基的抑制活性[J].化学研究与应用,2003(03):335-337. |
[6] | 车超,毛淑芬,慕长炜,徐彦军,覃兆海.吡啶衍生物研究(VII):含1,3,4-噻二唑环的吡啶衍生物的合成及生物活性[J].农药学学报,2002(03):75-78. |
[7] | 商永嘉,李茂国,陆婉芳,王彦广.新型含酰胺键的噻二唑类液晶的合成[J].高等学校化学学报,2002(04):576-580. |
[8] | Yarn L;Dorssinville R;Wang Q Z et al.Third-order optical nonlinearity in polycondensed thiophene-based polymers and polysilane polymers[J].Journal of the Optical Society of America B:Optical Crystal Physics,1989,6(04):753. |
[9] | Orczyk M E;Samoc M;Swiatkiewicz J et al.Dynamics of third-order nonlinearity of canthaxanthin carotenoid by the optically heterodyned phase-tuned femosecond optical gate[J].Journal of Chemical Physics,1993,98:2524. |
[10] | Jenekhe S A;Lo S K;Flom S R et al.Third-order nonlinear optical properties of a soluble conjugated polythiophene derivative[J].Applied Physics Letters,1989,54(25):2524. |
[11] | Zhao M T;Singh B P;Prasad P N .A systematic study of polarizability and microscopic third-order optical nonlinearity in thiophene oligomers[J].Journal of Chemical Physics,1988,89:5535. |
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