阵列光电传感器的非线性校正

doi:10.3969/j.issn.1000-1158.2019.03.11

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Abstract Optoelectronic array sensors exhibit nonlinearity near saturation, but can be corrected by extrapolating the coefficients in the linear region of the array sensors. The response curve between exposure and A/D conversion can be extended to any wavelength position as long as the exposure curveis measured at one wavelength position. For this reason, the least square method is used through polynomial fitting and software nonlinearity correction. Under the same hardware configuration, the linear region of linear array sensor is added, and the dynamic range of sensor is extended. In the whole dynamic range, the measurement error of the system can be reduced to ±2%. This non-linear correction method is also very suitable for intensity calibration correction in spectrometer production factories using photoelectric array sensors.

Key words： metrology optoelectronic array sensor nonlinearity correction spectral response polynomial fitting

Received: 26 March 2018 Published: 19 April 2019

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TB96

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	Articles by authors
	TONG Jian-ping
	YANG Jian-wu
	ZHENG Wen-qiang
	WANG Fei
	YANG Hao

Cite this article:

TONG Jian-ping,YANG Jian-wu,ZHENG Wen-qiang, et al. Nonlinear Correction of Optoelectronic Array Sensor[J]. Acta Metrologica Sinica, 2019, 40(3): 416-420.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2019.03.11 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2019/V40/I3/416

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