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锗硅玻璃全光极化的偏振和强度相关性研究

Polarization and intensity dependence of all-optical poling in germanosilicate glass

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摘要

搭建了可以连续控制基频光、倍频光偏振夹角的实验平台, 并实现了一系列锗硅玻璃样品的全光极化。极化效果和极化方向由内建电场的大小和方向所决定, 研究了两者与极化光束偏振态以及强度之间的关系。所获得的实验结果基本与经典模型及其推论相一致, 但同时也发现了两者在定量方面的差异, 包括局部变化趋势、角度大小等, 这进一步说明了全光极化过程的复杂性。实验发现, 当基频光与倍频光平行偏振时, 极化过程效果最优; 同时, 极化过程对极化光束的强度也非常敏感。

Abstract

An experimental platform capable of continuously controlling the polarization angle of the 1ω and 2ω lights was constructed, and a series of all-optical poling of the silicon germanium glass sample was realized. The poling effectiveness and poled direction, which were determined by the magnitude and direction of internal electric field, correlations of which with the poling polarization state and intensity were studied. Basically the experimental results were consistent with the classic model and its derivation, but quantitative inconsistencies were found as well, including local tendency, angle size, etc, which further proved the complexity of the all-optical poling process. It was experimentally found that the effectiveness of the poling process was the best when 1ω and 2ω lights were polarized parallel, and the poling process was also very sensitive to the poling intensity.

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中图分类号:O437.1

DOI:10.3788/irla201948.0817002

所属栏目:材料与薄膜

基金项目:国家自然科学基金(51323002, 51402173)

收稿日期:2019-03-11

修改稿日期:2019-04-21

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作者单位    点击查看

冯 曦:山东大学 晶体材料国家重点实验室, 山东 济南 250100中国工程物理研究院激光聚变研究中心, 四川 绵阳 621900山东大学 功能晶体材料及器件教育部重点实验室, 山东 济南 250100
李富全:中国工程物理研究院激光聚变研究中心, 四川 绵阳 621900
林傲祥:中国工程物理研究院激光聚变研究中心, 四川 绵阳 621900
王 芳:中国工程物理研究院激光聚变研究中心, 四川 绵阳 621900
柴向旭:中国工程物理研究院激光聚变研究中心, 四川 绵阳 621900
朱启华:中国工程物理研究院激光聚变研究中心, 四川 绵阳 621900
王正平:山东大学 晶体材料国家重点实验室, 山东 济南 250100山东大学 功能晶体材料及器件教育部重点实验室, 山东 济南 250100
孙喜博:中国工程物理研究院激光聚变研究中心, 四川 绵阳 621900
孙 洵:山东大学 晶体材料国家重点实验室, 山东 济南 250100山东大学 功能晶体材料及器件教育部重点实验室, 山东 济南 250100

联系人作者:冯曦(xifengsdu@126.com)

备注:冯曦(1990-), 男, 博士生, 主要从事非线性光学与非线性材料方面的研究。

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引用该论文

Feng Xi,Li Fuquan,Lin Aoxiang,Wang Fang,Chai Xiangxu,Zhu Qihua,Wang Zhengping,Sun Xibo,Sun Xun. Polarization and intensity dependence of all-optical poling in germanosilicate glass[J]. Infrared and Laser Engineering, 2019, 48(8): 0817002

冯 曦,李富全,林傲祥,王 芳,柴向旭,朱启华,王正平,孙喜博,孙 洵. 锗硅玻璃全光极化的偏振和强度相关性研究[J]. 红外与激光工程, 2019, 48(8): 0817002

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