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激光在光学元件清洗中的应用分析-application analysis of laser in optical element cleaning
ABSTRACTLow energy but repeating pulse, and high energy but single pulse may cause same result. Degree of the darkness is increased as the pulse overlap increased.4. Ostu algorithm is used to convert origin microscope photos to binary images. Cleaning efficiency of CO2 and Nd:YAG 3ω laser is compared. Results shows that CO2 laser is suitable for clean the optic surface which has heavy pollutants, while Nd:YAG 3ω laser is suitable for clean the optic surface which has light pollutants.Key words: laser cleaning, optic surface, cleanness, transmission, surface contact angle目录目录第一章引言 ................................................................................................................ 11.1清洗技术简介 ......................................................................................................... 11.1.1清洗技术的应用 ............................................................................................... 11.1.2清洗技术的分类 ............................................................................................... 11.1.2.1 物理清洗 ..................................................................................................... 11.1.2.2 化学清洗 ..................................................................................................... 21.2激光清洗 ................................................................................................................. 21.2.1产生背景 ........................................................................................................... 31.2.2探索历程 ........................................................................................................... 41.2.3发展现状 ........................................................................................................... 61.3激光清洗的需求 ..................................................................................................... 71.4论文研究目标、内容及采用的技术路径 ............................................................. 71.4.1研究目标 ........................................
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