共 33 条
Photorefractive polysilanes functionalized with a nonlinear optical chromophore
被引:28
作者:
Hendrickx, E
Van Steenwinckel, D
Persoons, A
Watanabe, A
机构:
[1] Univ Leuven, Ctr Res Mol Elect & Photon, Lab Chem & Biol Dynam, B-3001 Heverlee, Belgium
[2] Tohoku Univ, Inst Chem React Sci, Aoba Ku, Sendai, Miyagi 98077, Japan
关键词:
D O I:
10.1021/ma9810013
中图分类号:
O63 [高分子化学(高聚物)];
学科分类号:
070305 ;
080501 ;
081704 ;
摘要:
We have prepared various polysilane copolymers that were functionalized with the nonlinear optical chromophore N-methyl-p-nitroaniline. The glass transition temperature of the polysilanes was adjusted to room temperature by copolymerization of methylphenyldichlorosilane and n-hexylmethyldichlorosilane. Asymmetric two-beam coupling was observed at 633 nm, and a gain coefficient of 18 cm(-1) was measured at an externally applied field of 48 V mu m(-1).
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页码:2232 / 2238
页数:7
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