Improved measurement accuracy of spot position on an InGaAs quadrant detector

	Improved measurement accuracy of spot position on an InGaAs quadrant detector
	Wu, J. B.; Y. S. Chen; S. J. Gao; Y. M. Li and Z. Y. Wu
	2015
发表期刊	Applied Optics
卷号	54 期号:27 页码:8049-8054
摘要	In this paper, a new formula is proposed to improve the accuracy of spot position measurements on an InGaAs quadrant detector (QD). It is obtained by analyzing the relationship between the light spot position and the output signals of the QD and combining the infinite integral method with the Boltzmann method due to their opposite error characteristics. Based on the proposed formula, the measurement accuracy can be improved greatly, which is confirmed by the simulation and experimental results. In addition, it requires fewer parameters compared with the polynomial method when reaching the same accuracy. Thus, the new formula can be practical in applications of spot position measurements. (C) 2015 Optical Society of America
收录类别	SCI
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/55285
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Wu, J. B.,Y. S. Chen,S. J. Gao,et al. Improved measurement accuracy of spot position on an InGaAs quadrant detector[J]. Applied Optics,2015,54(27):8049-8054.
APA	Wu, J. B.,Y. S. Chen,S. J. Gao,&Y. M. Li and Z. Y. Wu.(2015).Improved measurement accuracy of spot position on an InGaAs quadrant detector.Applied Optics,54(27),8049-8054.
MLA	Wu, J. B.,et al."Improved measurement accuracy of spot position on an InGaAs quadrant detector".Applied Optics 54.27(2015):8049-8054.

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