合成了一个新的非线性光学(NLO)有机材料1-二茂铁基-3-[(9-乙基)咔唑-3-基]丙烯酮(FCAK),并通过NMR、IR、MS和元素分析等技术手段进行了表征.采用粉末Nd:YAG激光技术测定了标题化合物的三阶非线性光学性质并确定了相关参数.激光脉冲为4 ns时,非线性折射率n2=-3.5×10-18 m2/W,非线性吸收系数β=-2.7×10-11 m/W,三阶非线性极化率x(3)=2.04×10-12 esu,三阶非线性分子超极化率γ=1.1 ×10-30 esu.激光脉冲为21 ps时,n2=0.55×10-18 m2/W,β=-0.6 ×10-11 m/W,x(3) =3.4×10-13 esu,γ =0.13×10-30 esu.
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