1-二茂铁基-3-[(9-乙基)咔唑-3-基]丙烯酮的合成及三阶非线性光学性质

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χ⁽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,χ⁽³⁾=3.4×10^-13 esu,γ=0.13×10^-30 esu。

Synthesis and Nonlinear Optical Properties of 1-Ferrocenyl-3-((9-ethyl)carbazole-3-yl)acrylic Ketone

A new nonlinear optical(NLO) organic material, 1-ferrocenyl-3-((9-ethyl) carbazole-3-yl) acrylic ketone(FCAK), was synthesized and characterized by IR, MS, NMR and element analysis. The title compound exhibits third-order nonlinear optical properties. The related parameters were obtained by powder technique using the Nd∶YAG laser. When the laser pulse is four nanoseconds, the nonlinear refractive index n₂ is -3.5×10^-18 m²/W, the nonlinear absorption coefficient β is -2.7×10^-11 m/W, the third-order nonlinear polarizability χ⁽³⁾ is 2.04×10^-12 esu, the third-order nonlinear molecular hyperpolarizability γ is 1.1×10^-30 esu. When the laser pulse is twenty one picoseconds, n₂ is 0.55×10^-18 m²/W, β is -0.6×10^-11 m/W, χ⁽³⁾ is 3.4×10^-13 esu, γ is 0.13×10^-30 esu.