Novel photorefractive sol-gel materials

被引:40
作者
Darracq, B
Chaput, F [1 ]
Lahlil, K
Boilot, JP
Levy, Y
Alain, V
Ventelon, L
Blanchard-Desce, M
机构
[1] Ecole Polytech, Phys Mat Condensee Lab, CNRS, URA 1254D,Grp Chim Solide, F-91128 Palaiseau, France
[2] Inst Opt Theor & Appl, CNRS, URA 14, Grp Opt Nonlineaire, F-91403 Orsay, France
[3] Ecole Normale Super, CNRS, URA 1679, Dept Chim, F-75231 Paris, France
关键词
D O I
10.1016/S0925-3467(97)00151-1
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We have developed new photorefractive media based on hybrid organic-inorganic materials containing a charge transporting (CT) molecule either as side-chain or main-chain substituents on the silica backbone. Second order nonlinear optical (NLO) chromophores were introduced either as side chain or as guest units, These materials were prepared by the sol-gel process in the form of thin films of a few mu m-thick. NLO and photorefractive properties have been evaluated using electro-optic measurements, two beam coupling experiments and photoconductivity measurements. (C) 1998 Elsevier Science B.V.
引用
收藏
页码:265 / 270
页数:6
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