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Nonlinear Optical Properties of Novel C60 Derivatives under Picosecond Laser Excitation |
| MAO Yan-Li1;CHENG Yong-Guang1;LIU Jun-Hui1;LIN Bing-Chen1;HUO Yan-Ping2;ZENG He-Ping2 |
| 1Institute of Optics and Photoelectronic Technology, Henan University, Kaifeng 4750042Department of Chemical Science, The South China Technology University, Guangzhou 510641 |
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| Cite this article: |
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MAO Yan-Li, CHENG Yong-Guang, LIU Jun-Hui et al 2007 Chin. Phys. Lett. 24 950-953 |
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Abstract We investigate the third-order nonlinear optical properties of six novel ullerene derivatives under picosecond laser excitation by Z-scan technique. The experimental results reveal that all the derivatives have very large nonlinear absorption coefficient under 532nm pulses excitation and great third-order nonlinear refraction index under 1064nm pulses excitation. The molecular second hyperpolarizabilities are obtained from the experimental results.
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| Keywords:
42.65.An
33.15.Kr
42.70.Nq
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Received: 13 December 2006
Published: 26 March 2007
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| PACS: |
42.65.An
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(Optical susceptibility, hyperpolarizability)
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33.15.Kr
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(Electric and magnetic moments (and derivatives), polarizability, and magnetic susceptibility)
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42.70.Nq
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(Other nonlinear optical materials; photorefractive and semiconductor materials)
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