Fabrication of UV-curable silicone coating with high transmittance and laser-induced damage threshold for high-power laser system

被引：22
作者：
Deng, Xue-Ran [1 ]
Yang, Wei [1 ]
Zhang, Qing-Hua [1 ]
Hui, Hao-Hao [1 ]
Wei, Yao-Wei [1 ]
Wang, Jian [1 ]
Xu, Qiao [1 ]
Lei, Xiang-Yang [1 ]
Chen, Jin-Ju [2 ]
Zhu, Ji-Liang [3 ]
机构：
[1] China Acad Engn Phys, Res Ctr Laser Fus, 64 Mianshan Rd, Mianyang 621900, Peoples R China
[2] Univ Elect Sci & Technol China, Sch Mat & Energy, 4,2nd Jianshe Rd, Chengdu 610054, Sichuan, Peoples R China
[3] Sichuan Univ, Coll Mat Sci & Engn, 24 South Sect 1st Ring Rd, Chengdu 610041, Sichuan, Peoples R China
来源：
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY | 2018年 / 88卷 / 01期
基金：
中国国家自然科学基金;
关键词：
UV-curable; Silicone coating; Transmittance; Laser-induced damage threshold; High-power laser system; SOL-GEL METHOD; NANOCOMPOSITE COATINGS; FUNCTIONALIZED SILICA;
D O I：
10.1007/s10971-018-4807-7
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Third harmonic generating (THG) element is an important component for high-power laser system and its incident side is in need of high transmittance and laser-induced damage threshold (LIDT) at specified wavelengths (1064nm and 532nm) to meet the demand of laser-driven inertial confinement fusion. An UV-curable organic-inorganic hybrid silicone coating was fabricated for this THG element and its relevant properties have been investigated. Si-O-Si backbone structure in combination with characteristics from a mixture of tripropyleneglycoldiacrylate (TPGDA) as a reactive diluent and Darocur 1173 (HMPP) as a photoinitiator provided qualified adhesion, hardness, transmittance, and laser damage resistance for the UV-cured coating. Based on this design, THG element with both high transmittance and LIDT at specified wavelengths was successfully achieved after the solidification of coatings by means of UV irradiation, which provides an alternate option to cure coatings upon the temperature-sensitive substrates (like potassium dideuterium phosphate (DKDP), ammonium dihydrogen phosphate (ADP), and so on) without heating, and meanwhile greatly reduces the time consumption of curing process. [GRAPHICS] .
引用
收藏
页码：249 / 254
页数：6
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