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Design of the real-time autofocusing system for collimator with long focus length and large aperture (EI CONFERENCE)

文献类型：会议论文

作者Zhang X.; Zhang X.; Zhang X.
出版日期2012
会议名称2011 International Academic Conference on Numbers, Intelligence, Manufacturing Technology and Machinery Automation, MAMT 2011, December 24, 2011 - December 25, 2011
会议地点Wuhan, China
关键词Large aperture collimator which has been widely used for calibrating and testing various optical devices plays an essential role in correlative laboratories. As being the basic testing and calibration equipment the large aperture collimator's accuracy should be much higher than the device under testing in order to ensure the accuracy of the measurement. However the process of adjusting the collimator is extremely complicated due to the collimator's large aperture and long focal length. So it is difficult to ensure the measurement's quality and easy to cause the system being vulnerable to the surrounding environment. One of the most common problems is defocus. In order to solve the problem above this issue presents a new type of autocollimator autofocusing system which uses pentaprism instead of using large-aperture plane mirror semiconductor lasers as light source and CCD sensor as receiver. The system is smaller lighter and more convenient when using. The computer simulation shows that the autofocusing system's resolution could reach the accuracy of 40m. If we use the relevant algorithms to execute the sub-pixel scanning the resolution could reach the accuracy of 10m. It shows that the system could satisfy the required testing precision of testing large aperture optical device.
页码25-31
收录类别EI
源URL[http://ir.ciomp.ac.cn/handle/181722/33190]  
专题长春光学精密机械与物理研究所_中科院长春光机所知识产出_会议论文
推荐引用方式
GB/T 7714		 Zhang X.,Zhang X.,Zhang X.. Design of the real-time autofocusing system for collimator with long focus length and large aperture (EI CONFERENCE)[C]. 见:2011 International Academic Conference on Numbers, Intelligence, Manufacturing Technology and Machinery Automation, MAMT 2011, December 24, 2011 - December 25, 2011. Wuhan, China.

入库方式： OAI收割

来源：长春光学精密机械与物理研究所

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