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As the leading industrial solid-state laser manufacturer,RFH laser company offer 355nm ultraviolet (UV) laser,nanosecond 532nm green laser and customized laser ,power range in 3W ,5W ,10W ,15W,18W,35W,for marking plastics,gla
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Shenzhen RFH Laser Technology Co.,Ltd was founded in 2007 with headquarters in Shenzhen High-Tech Industrial Park, branch offices in Wuhan and Suzhou and production base in Huiyang.
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After 16 years of development, RFH now has an industrial laser oriented R&D team made up of top professionals and experts from both home and abroad. Its R&D departments cover engineering, laser and electric.
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355nm纳秒紫外激光器的寿命
Release time:2021/09/15
紫外激光器的寿命
目前国内标识行业主要应用的激光器有三种:二氧化碳激光器,光纤激光器,紫外激光器
其中二氧化碳激光器是最早适用于标识行业,经过长时间技术迭代,寿命稳定于4-5年,衰减后充气即可。光纤激光器寿命更是长达8-10年。但是紫外激光器寿命较前两位短很多,只有两年左右的寿命。
核心原因主要有两点;紫外激光器在工作的时候紫外晶体容易吸附腔内灰层,紫外线本身波长短,也十分容易破坏晶体。所以基本上在12000小时左右时候紫外晶体就会变脏,从而导致功率下降,进而导致紫外激光器寿命的终结。
另外很多激光器厂商由于对工艺不熟悉,腔内洁净度不高,灰层过多,会加速导致紫外激光器寿命的缩短。
另外一个影响紫外激光器寿命的核心因素是泵浦光源LD的寿命,如果采用进口的泵浦光源一般寿命为5-6年,从而保证紫外激光器的寿命。国产光源价格便宜,但是很多使用1年半以后即开始衰减,从而导致紫外激光器寿命的缩短。
关键词: 紫外激光器
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