| 极化环氧聚合物的二阶非线性光学特性研究 |
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| 引用本文： | 郭建明,郭祀远,蔡妙颜,马子川,蔡志岗,梁兆熙. 极化环氧聚合物的二阶非线性光学特性研究[J]. 华南理工大学学报(自然科学版), 1999, 27(5): 95-99 |
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| 作者姓名： | 郭建明 郭祀远 蔡妙颜 马子川 蔡志岗 梁兆熙 |
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| 作者单位： | [1]华南理工大学轻化工研究所 [2]中山大学超快速激光光谱学国家重点实验室 |
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| 基金项目： | 广东省自然科学基金,高等学校博士学科点专项科研基金 |
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| 摘 要： | 本文报导了一种含丙烯酰基团的功能化环氧聚合物，对其极化交联后的二阶非线性光学特性进行了初步研究。发现其二次谐波产生（ＳＨＧ）的过程是纯粹的，没有荧光上转换的参与，ＳＨＧ谱线呈高斯分布。极化热交联后Ｅ４４－ＰＮＢ－Ａ的ＳＨＧ稳定性较高，经１６０ｄ后还维持在其初值的８０％左右。
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| 关 键 词： | 环氧聚合物 非线性光学 极化 光学性质 高聚物 |
STUDY ON THE CHARACTERISTICS OF SECOND_ORDER NONLINEAR OPTICS INDUCED BY POLED EPOXY POLYMER |
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| Guo Jianming Guo Siyuan Cai Miaoyan Ma Zichuan Cai Zhigang Liang Zhaoxi. STUDY ON THE CHARACTERISTICS OF SECOND_ORDER NONLINEAR OPTICS INDUCED BY POLED EPOXY POLYMER[J]. Journal of South China University of Technology(Natural Science Edition), 1999, 27(5): 95-99 |
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| Authors: | Guo Jianming Guo Siyuan Cai Miaoyan Ma Zichuan Cai Zhigang Liang Zhaoxi |
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| Abstract: | A kind of functionalized epoxy polymer containing acryloyl group (E 44 _PNB_A) was reported. The characteristics of second_order nonlinear optics induced by the poled epoxy polymer was discussed. A pure SHG process was detected, no up_conversion fluorescence was involved. The SHG wave form of the poled and thermocrosslinked E 44 _PNB_A took a Gaussian distribution. The SHG intensity of the thermocrosslinked E 44 _PNB_A retained about 80% of its original value after 160 days. |
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| Keywords: | functionalized epoxy polymer second_order nonlinear optics second harmonic generation polarization |
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