Research on correction algorithm of laser positioning system based on four quadrant detector

Qingsong Gao; Xiangyong Meng; Weixian Qian; Guixia Cai

doi:10.1117/12.2307139

20 February 2018 Research on correction algorithm of laser positioning system based on four quadrant detector

Qingsong Gao, Xiangyong Meng, Weixian Qian, Guixia Cai

Proceedings Volume 10697, Fourth Seminar on Novel Optoelectronic Detection Technology and Application; 1069747 (2018) https://doi.org/10.1117/12.2307139
Event: Fourth Seminar on Novel Optoelectronic Detection Technology and Application, 2017, Nanjing, China

Abstract

This paper first introduces the basic principle of the four quadrant detector, and a set of laser positioning experiment system is built based on the four quadrant detector. Four quadrant laser positioning system in the actual application, not only exist interference of background light and detector dark current noise, and the influence of random noise, system stability, spot equivalent error can’t be ignored, so it is very important to system calibration and correction. This paper analyzes the various factors of system positioning error, and then propose an algorithm for correcting the system error, the results of simulation and experiment show that the modified algorithm can improve the effect of system error on positioning and improve the positioning accuracy.

Citation Download Citation

Qingsong Gao, Xiangyong Meng, Weixian Qian, and Guixia Cai "Research on correction algorithm of laser positioning system based on four quadrant detector", Proc. SPIE 10697, Fourth Seminar on Novel Optoelectronic Detection Technology and Application, 1069747 (20 February 2018); https://doi.org/10.1117/12.2307139

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