Ultrafast third-order nonlinearity of C-60-poly tetrahydrofurfuryl methacrylate charge transfer complex was measured using femtosecond optical Kerr gate at both 640 nm and 820 nm wavelength. In the material's two-photon absorption region, extra large third-order nonlinear optical response was observed. (C) 1997 Elsevier Science Ltd.
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S China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510641, Peoples R China
Natl Univ Singapore, Dept Phys, Singapore 117542, SingaporeS China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510641, Peoples R China
Ouyang, Xinhua
Zeng, Heping
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S China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510641, Peoples R ChinaS China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510641, Peoples R China
Zeng, Heping
Ji, Wei
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Natl Univ Singapore, Dept Phys, Singapore 117542, SingaporeS China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510641, Peoples R China