外文题目: Far-field detection system for laser beams alignment and crystals alignment
作者: Liu, D.; Qin, H.; Zhu, B.
刊名: Proc.SPIE
来源图书: 2015 INTERNATIONAL CONFERENCE ON OPTICAL INSTRUMENTS AND TECHNOLOGY: ADVANCED LASERS AND APPLICATIONS
年: 2015 卷: 9621 文章编号：962102
会议名称: International Conference on Optical Instruments and Technology - Advanced Lasers and Applications
英文关键词:
laser technique; beam alignment; grating; far-field; nonlinear optics; phase matching angel
英文摘要:
Laser beams far-field alignment is very important for the high power laser facility as well as the frequency doubling crystals adjustment. Traditional beams alignment system and crystals alignment system are separated. That means, they use different optical image systems and CCD cameras, which will occupy larger space and use more money. A new far-field detection system of laser beams is presented with a big diffraction grating (37mm*37mm), a set of optical imaging components and a high resolution CCD camera. This detection system, which is fully demonstrated on the National Laser Facility of Israel, can align high power laser facility beams' direction as well as the frequency doubling crystals. The new system occupies small space in the spatial filter through off-axial grating sampling. The experimental results indicate that the average far-field alignment error is less than 5% of spatial filter pinhole diameter, and the average crystals' matching angle error is less than 10urad, which meet the alignment system requirements for beams and crystals.


文献类型: 会议论文
正文语种: English
收录类别: ISTP
DOI: 10.1117/12.2191818


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