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29 October 1998 Experimental study of optical nonlinearity of stilbene-derivative-doped poled polymer
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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.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Liying Liu, Zhanjia Hou, Lei Xu, Jie Chen, Zhiling Xu, Wencheng Wang, Fuming Li, and Mingxin Ye "Experimental study of optical nonlinearity of stilbene-derivative-doped poled polymer", Proc. SPIE 3474, Second-Order Organic Nonlinear Optics, (29 October 1998);

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