Nonlinear Optical Properties of Some New Conjugated Copolymers

Chin. Phys. Lett.

1998, Vol. 15

Issue (3): 189-191 DOI:

Original Articles

Nonlinear Optical Properties of Some New Conjugated Copolymers

YANG Qi-guang;SI Jin-hai;LIU Xu-chun;XU Gang;YE Pei-xian;LEI Zi-qiang¹;ZHAN Xiao-wei¹;YANG Mu-jie¹

Institute of Physics & Center for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080 ¹Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027

Cite this article:

YANG Qi-guang, SI Jin-hai, LIU Xu-chun et al 1998 Chin. Phys. Lett. 15 189-191

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Abstract The ground- and the excited-state nonlinearities of two new copolymers are investigated in nanosecond scale at 1064 nm. It is found that the excited-state susceptibility is dramatically larger than the corresponding ground-state susceptibility for each sample. The experimental results also give evidence that superlattice structure of the copolymers can enhance, especially for the excited state, the molecular hyperpolarizabilities significantly. This enhancement may be attributed to the confinement effect of the pump-induced carriers.

Keywords: 42.65.-k

Published: 01 March 1998

PACS:

42.65.-k

(Nonlinear optics)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1998/V15/I3/0189

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	YANG Qi-guang
	SI Jin-hai
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	XU Gang
	YE Pei-xian
	LEI Zi-qiang
	ZHAN Xiao-wei
	YANG Mu-jie

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