The initial point of collimator CCD imagine calibration by pyramid prism

Zongping Wang; Shangzhong Jin; Weicheng Wang; Xiaoping Zhu

doi:10.1117/12.2038016

19 December 2013 The initial point of collimator CCD imagine calibration by pyramid prism

Zongping Wang, Shangzhong Jin, Weicheng Wang, Xiaoping Zhu

Proceedings Volume 9046, 2013 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems; 90461A (2013) https://doi.org/10.1117/12.2038016
Event: International Conference on Optical Instruments and Technology (OIT2013), 2013, Beijing, China

Abstract

This paper briefly introduces the commonly used photoelectric auto collimator structure and its working principle. A new method for calibrating the initial point of collimator CCD imagine by a pyramid prism was proposed. It consists of a two-dimension rotate instrument, a pyramid prism and a collimator. By combing with the algorithm of calculating the center position of beam spot, a more precise calibration of the initial point of the collimator CCD imagine was realized. Optical properties of the pyramid prism and its impact of initial point calibration were analysed under the oblique incidence. At the same time, effect of the manufacturing errors of pyramid prism on the calibration accuracy was analysed. Experimental data shows that the method has a good reproducibility with a relative standard deviation of less than 10%.

Citation Download Citation

Zongping Wang, Shangzhong Jin, Weicheng Wang, and Xiaoping Zhu "The initial point of collimator CCD imagine calibration by pyramid prism", Proc. SPIE 9046, 2013 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems, 90461A (19 December 2013); https://doi.org/10.1117/12.2038016

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