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首页> 外文期刊>Optical Materials >Electro-optic polymeric films of phenylethynyl dyes with transparency in the blue region of the visible spectrum
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Electro-optic polymeric films of phenylethynyl dyes with transparency in the blue region of the visible spectrum

机译：苯乙炔基染料的电光聚合物膜在可见光谱的蓝色区域具有透明性

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摘要

Easily processed electro-optic films are reported with potential for > 100 GHz switching speeds. Dyes of the general chemical structure 1-(4-[(V-ethyl-N-(2-hydroxyethyl)-amino]-phenylethynyl)-4-(4-cyano-phenylethynyl)-2,5-disubstituted benzene were attached as side groups to a polyimide backbone. Sub-stituents on the central ring of the three-ring dye prevented aggregation at high concentrations of dye. These amorphous films exhibited absorption maxima in the range of 375-395 nm. A film containing 25% dye attached to polyimide was poled to give an electro-optic coefficient (r_(33)) of 12 ±2 pm/V at 532 nm. Its properties were compared with the measured linear and nonlinear optical properties of several previously published dyes that have transparency in the blue-green part of the visible spectrum.
机译：据报道，易于加工的电光膜具有超过100 GHz的开关速度。一般化学结构为1-（4-[（V-乙基-N-（2-羟乙基）-氨基]-苯基乙炔基）-4-（4-氰基-苯基乙炔基）-2,5-二取代苯的染料三环染料中心环上的取代基可防止高浓度染料聚集，这些无定形薄膜在375-395 nm范围内显示出最大吸收，附着了25％染料的薄膜在532 nm处极化聚酰亚胺以得到12±2 pm / V的电光学系数（r_（33）），并与先前公开的几种透明的染料的线性和非线性光学性能进行了比较。可见光谱的蓝绿色部分。

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