29 October 1998 Experimental study of optical nonlinearity of stilbene-derivative-doped poled polymer
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Abstract
Two stilbene derivatives, DANS and CNDS, were synthesized. The optical properties of organic doped PMMA poled polymer films were investigated with in situ second-harmonic generation (SHG) measurement and UV-visible absorption measurement. Optimum corona poling temperatures of the polymer films were studied. The second-order susceptibility (chi) (2_ of CNDS/PMMA is larger than that of DANS/PMMA, although CNDS molecules in PMMA is less ordered than DANS. The molecular second-order polarizability (beta) of the CNDS was estimated to be about 1.4 X 10-28esu. The relaxation of SHG intensity of CNDS/PMMA was slower than that of DANS/PMMA. It is concluded that CNDS is a better dopant than DANS as second-order nonlinear-optical material.
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Liying Liu, Liying Liu, Zhanjia Hou, Zhanjia Hou, Lei Xu, Lei Xu, Jie Chen, Jie Chen, Zhiling Xu, Zhiling Xu, Wencheng Wang, Wencheng Wang, Fuming Li, Fuming Li, Mingxin Ye, Mingxin Ye, } "Experimental study of optical nonlinearity of stilbene-derivative-doped poled polymer", Proc. SPIE 3474, Second-Order Organic Nonlinear Optics, (29 October 1998); doi: 10.1117/12.328576; https://doi.org/10.1117/12.328576
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