合成了一种新的具有潜在应用价值的非线性光学(NLO)有机材料1-(芘-1-基)-3-(4-二甲氨基苯基)丙烯酮(PMAK),并通过NMR、IR、MS和元素分析等技术手段进行了表征.采用溶液Nd: YAG激光技术测定了PMAK的三阶非线性光学性质并确定了相关参数.纳秒实验结果:折射率n2=-3.5×10-17 m2/W,吸收系数β=7.0×10-10 m/W,极化率x(3)=2.54×10-11 esu,分子超极化率γ=3.44×10-30 esu;皮秒实验结果:n2=-2.8 ×10-18m2/W,β=8.3 ×10-11 m/W,x(3)=2.49×10-12 esu,γ=3.33 ×10-31 esu.
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