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Large third-order nonlinear optical properties of C70fullerene in the infrared regime

✍ Scribed by Shao-Chen Yang; Qihuang Gong; Zongju Xia; Y. H. Zou; Y. Q. Wu; D. Qiang; Y. L. Sun; Z. N. Gu

Publisher
Springer
Year
1992
Tongue
English
Weight
318 KB
Volume
55
Category
Article
ISSN
0721-7269

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✦ Synopsis

The nonlinear third-order optical susceptibility of C70 in a toluene solution is measured for the first time by the method of degenerate four-wave mixing using 10 ns laser pulses at 1.06 gin. The third-order susceptibility -( 3) is 5.6 x 10 12 esu for a C70 toluene solution at a concentration Xl11I of 0.476g/1. The correspondent magnitude of the hyperpolarizability 71111 of the C70 molecule is 1.2 x 10 -3Β° esu which is in a good agreement with the prediction given by the model of a free electron in a spherical box.

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