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报道了两种D π A结构的化合物,通过红外、元素分析、核磁及单晶X衍射对化合物的结构进行了表征。用Nd∶YAG脉冲激光器通过Z扫描技术研究了它们的三阶非线性光学特性。结果表明在532nm的激光作用下,不仅表现出显著的非线性光学折射率,而且表现出有大的非线性光学吸收系数。
Two kinds of D π A structure compounds were reported. The structures of the compounds were characterized by IR, elemental analysis, NMR and single crystal X-ray diffraction. The third-order nonlinear optical properties of Nd: YAG pulsed lasers were studied by Z-scan technique. The results show that not only does the laser exhibit a significant nonlinear optical refractive index at 532 nm, but also exhibits a large nonlinear optical absorption coefficient.