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Proceedings Paper

Design of real-time and high-precision photoelectric autocollimator
Author(s): Siyu Zhou; Jiayin Hou; Shanshan Wang; Qiudong Zhu
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Paper Abstract

This paper presents the design of a real-time and high-precision photoelectric autocollimator. Firstly, a far exit pupil distance and no vignetting optical system is proposed. Compared with the conventional optical system of autocollimator, it solves the problem of ray cutting which results in the detection accuracy changed with the distance of target lens. Besiedes, it eliminates the influence of stray light. Then, the design of photoelectric detection system is discussed. It uses the specific multi-frame superposition denoising algorithm based on high speed CMOS camera which solves the conflict of improvement of accuracy and time-consuming of the algorithm. Finally, test results of the instrument are given. The measurement repeatability of the autocollimator can reach up to 0.01″ with the measurement range of 1200″ and the single measurement time is less than 17ms.

Paper Details

Date Published: 31 October 2016
PDF: 6 pages
Proc. SPIE 10019, Optoelectronic Devices and Integration VI, 100190G (31 October 2016); doi: 10.1117/12.2245392
Show Author Affiliations
Siyu Zhou, Beijing Institute of Technology (China)
Jiayin Hou, Beijing Institute of Technology (China)
Shanshan Wang, Beijing Institute of Technology (China)
Qiudong Zhu, Beijing Institute of Technology (China)


Published in SPIE Proceedings Vol. 10019:
Optoelectronic Devices and Integration VI
Xuping Zhang; Baojun Li; Changyuan Yu, Editor(s)

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