| 聚乙二醇对溶胶-凝胶SiO2增透膜激光损伤行为的影响 |
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| 引用本文： | 张磊,徐耀,黄祖鑫,杨东江,蒋晓东,吴东,孙予罕,魏晓峰.聚乙二醇对溶胶-凝胶SiO2增透膜激光损伤行为的影响[J].强激光与粒子束,2005,17(5):669-672. |
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| 作者姓名： | 张磊 徐耀 黄祖鑫 杨东江 蒋晓东 吴东 孙予罕 魏晓峰 |
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| 作者单位： | 中国科学院,山西煤炭化学研究所,煤转化国家重点实验室,山西,太原,030001;中国工程物理研究院,激光聚变研究中心,四川,绵阳,621900;中国科学院,研究生院,北京,100049;中国科学院,山西煤炭化学研究所,煤转化国家重点实验室,山西,太原,030001;中国工程物理研究院,激光聚变研究中心,四川,绵阳,621900;中国科学院,山西煤炭化学研究所,煤转化国家重点实验室,山西,太原,030001;中国科学院,研究生院,北京,100049 |
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| 基金项目： | 国家自然科学基金重点资助课题(20133040);国防科技基础研究基金资助课题 |
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| 摘 要： | 采用溶胶-凝胶工艺制备了聚乙二醇（PEG）改性SiO2单层增透膜，用输出波长1.06 μm，脉宽3 ns的调Q激光系统产生的强激光进行辐照实验。观察了添加PEG前后的膜层的微结构、表面形貌以及激光损伤行为的变化，讨论了PEG对薄膜激光损伤行为产生影响的机制。结果表明：添加的PEG可以修饰、导向溶胶簇团的生长和交联，并使之有序，由此制备的薄膜结构规整，微缺陷减少，这就提高了膜层的激光损伤阈值；在激光辐照过程中，膜料吸收激光能量，膜层温度升高，膜层的PEG分子受热逐步分解挥发，膜层产生损伤。
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| 关 键 词： | 溶胶-凝胶法 激光损伤阈值 激光损伤形貌 聚乙二醇 |
| 文章编号： | 1001-4322(2005)05-0669-04 |
| 收稿时间： | 2005/1/13 |
| 修稿时间： | 2005年1月13日 |
Effect of PEG on laser damage of sol-gel SiO2 anti-reflective coating |
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| ZHANG Lei,XU Yao,HUANG Zu-xin,YANG Dong-jiang,JIANG Xiao-dong,WU Dong,SUN Yu-han,WEI Xiao-Feng.Effect of PEG on laser damage of sol-gel SiO2 anti-reflective coating[J].High Power Laser and Particle Beams,2005,17(5):669-672. |
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| Authors: | ZHANG Lei XU Yao HUANG Zu-xin YANG Dong-jiang JIANG Xiao-dong WU Dong SUN Yu-han WEI Xiao-Feng |
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| Institution: | 1.State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China;2. Research Center of Laser Fusion, CAEP, P. O.Box 919-988, Mianyang 621900, China;3. Graduate School of the Chinese Academy of Sciences,Beijing 100049, China |
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| Abstract: | In this paper, sol-gel single-layer SiO_2 anti-reflective coatings modified with PEG were deposited on K9 glass by sol-gel dipping-coating method. The coatings were irradiated by a Q-switched Nd:YAG high power laser whose wavelength was 1 064 nm and pulse width was 3 ns. The microstructure of sol was observed by TEM and the surface morphologies of the coatings were observed by AFM before they were irradiated. The morphologies of the damaged coatings were observed by microscope. Damage mechanics of the laser were studied. The results show that PEG can modify the microstructure of SiO_2 coating and thus the induced damage threshold of coating was distinctly improved. |
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| Keywords: | Sol-Gel AR coating Laser damage threshold Laser damage morphology PEG |
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