Nonlinear Optical Properties of Novel Polymeric Rare Earth Phthalocyanine Studied Using Picosecond Z-Scan Technique
ZHAO Peng1, XU Song2, LI Zhong-Yu1,3, ZHANG Fu-Shi1
1The Key Lab of Organic Photoelectrons and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 1000842Department of Application Technology, Northeast Dianli University, Jilin 1320123Department of Chemical and Material Engineering, Jilin Institute of Chemical Technology, Jilin 132022
Nonlinear Optical Properties of Novel Polymeric Rare Earth Phthalocyanine Studied Using Picosecond Z-Scan Technique
ZHAO Peng1;XU Song2;LI Zhong-Yu1,3;ZHANG Fu-Shi1
1The Key Lab of Organic Photoelectrons and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 1000842Department of Application Technology, Northeast Dianli University, Jilin 1320123Department of Chemical and Material Engineering, Jilin Institute of Chemical Technology, Jilin 132022
摘要Three novel tri-dimensional phthalocyanine polymers, with lanthanum (LaPPc), gadolinium (GdPPc) and ytterbium (YbPPc) as centric atoms, have been synthesized from a tetranuclear phthalonitrile. Third-order optical nonlinearities of these compounds in DMF solution are measured by a picosecond Z-sacn technique at 532nm. It is found that all the compounds show reverse saturation absorption and nonlinear self-focus refraction effect. The second-order molecular hyperpolarizabilities are calculated to be 1.82×10-29, 1.48×10-29 and 1.45×-29 esu for LaPPc, GdPPc and YbPPc, respectively. The differences among their nonlinear optical properties are attributed to the special tri-dimensional structure and the variation in rare earth atoms.
Abstract：Three novel tri-dimensional phthalocyanine polymers, with lanthanum (LaPPc), gadolinium (GdPPc) and ytterbium (YbPPc) as centric atoms, have been synthesized from a tetranuclear phthalonitrile. Third-order optical nonlinearities of these compounds in DMF solution are measured by a picosecond Z-sacn technique at 532nm. It is found that all the compounds show reverse saturation absorption and nonlinear self-focus refraction effect. The second-order molecular hyperpolarizabilities are calculated to be 1.82×10-29, 1.48×10-29 and 1.45×-29 esu for LaPPc, GdPPc and YbPPc, respectively. The differences among their nonlinear optical properties are attributed to the special tri-dimensional structure and the variation in rare earth atoms.
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