4 October 1999 Ultrafast nonlinear optical property of the C60(CH3)x(PAN)x copolymer
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We have fabricated thin film of the star-like C60(CH3)x(PAN)x copolymer. Optical property and ultrafast nonlinear optical response of the copolymer films were measured. The absorption and photoluminescence spectra showed the intramolecular excitation transfer process existed in the copolymer. From the femtosecond optical Kerr effect measurement, third-order nonlinear optical susceptibility of the copolymer film was found bigger than that of pure PAN and fullerene molecule which result from a new lower excited state and the redistribution of the electron cloud in the copolymer.
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Guohong Ma, Guohong Ma, Shixiong Qian, Shixiong Qian, Yuanjie Chen, Yuanjie Chen, Ruifang Cai, Ruifang Cai, Wei Qian, Wei Qian, Li Lin, Li Lin, YingHua Zou, YingHua Zou, "Ultrafast nonlinear optical property of the C60(CH3)x(PAN)x copolymer", Proc. SPIE 3798, Power-Limiting Materials and Devices, (4 October 1999); doi: 10.1117/12.363874; https://doi.org/10.1117/12.363874

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