吴青晴 Wu Qingqing, 张晓东 Zhang Xiaodong, 房丰洲 Fang Fengzhou, 张. Z. Lin
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Shape measurement of the cubic phase plate with wavefront sensing technology
A surface measurement system is designed according to the features of cubic phase plate surface based on wavefront sensing technology.A mapping model from reflected wavefront to surface shape is presented,and in order to measure surface with greater curvature,an algorithm based on image processing method is proposed to improve the dynamic range of the wavefront sensor.Simulation analysis shows that the conversion accuracy of the proposed mapping model is 2~3 times better than traditional algorithm and the dynamic range is increased nearly 4times.Finally,an experimental system is built to measure the surface of an actual cubic phase plate,the result compared with the data achieved by Wyko white light interferometer verifies the correctness and accuracy of the measurement system.
光学技术Physics and Astronomy-Atomic and Molecular Physics, and Optics
CiteScore
0.60
自引率
0.00%
发文量
6699
期刊介绍：
The predecessor of Optical Technology was Optical Technology, which was founded in 1975. At that time, the Fifth Ministry of Machine Building entrusted the School of Optoelectronics of Beijing Institute of Technology to publish the journal, and it was officially approved by the State Administration of Press, Publication, Radio, Film and Television for external distribution. From 1975 to 1979, the magazine was named Optical Technology, a quarterly with 4 issues per year; from 1980 to the present, the magazine is named Optical Technology, a bimonthly with 6 issues per year, published on the 20th of odd months.
The publication policy is: to serve the national economic construction, implement the development of the national economy, serve production and scientific research, and implement the publication policy of "letting a hundred flowers bloom and a hundred schools of thought contend".
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