Influences of Analog-to-Digital Conversion Accuracy and Response Uniformity of CCD on Small-Scale Laser Focal Spot Measurements

Xiaoyan Liu; Dexin Ba; Deqiang Jiao; Xiangxin Shao; Xin Mu; Ying Wang

doi:10.1155/2021/6664228

Influences of Analog-to-Digital Conversion Accuracy and Response Uniformity of CCD on Small-Scale Laser Focal Spot Measurements

Xiaoyan Liu
, Dexin Ba
, Deqiang Jiao
, Xiangxin Shao
, Xin Mu
, Ying Wang

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

The two-dimensional snake scanning of the CCD method provides an effective solution to measure small-scale light spots which are smaller than one CCD pixel. The influences of the A/D conversion digits and response uniformity of the CCD on the measurement error are studied. When the A/D conversion digit is 20, the measurement error can be ignored. The maximum error value of the nonuniform response of the CCD pixel when the order of the super-Gaussian function is 10 is 0.7 μm. The research results can be used to guide the experiment.

Original language	English
Article number	6664228
Journal	Laser and Particle Beams
Volume	2021
DOIs	https://doi.org/10.1155/2021/6664228
State	Published - 2021
Externally published	Yes

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© 2021 Xiaoyan Liu et al.

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title = "Influences of Analog-to-Digital Conversion Accuracy and Response Uniformity of CCD on Small-Scale Laser Focal Spot Measurements",

abstract = "The two-dimensional snake scanning of the CCD method provides an effective solution to measure small-scale light spots which are smaller than one CCD pixel. The influences of the A/D conversion digits and response uniformity of the CCD on the measurement error are studied. When the A/D conversion digit is 20, the measurement error can be ignored. The maximum error value of the nonuniform response of the CCD pixel when the order of the super-Gaussian function is 10 is 0.7 μm. The research results can be used to guide the experiment.",

author = "Xiaoyan Liu and Dexin Ba and Deqiang Jiao and Xiangxin Shao and Xin Mu and Ying Wang",

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AU - Ba, Dexin

AU - Jiao, Deqiang

AU - Shao, Xiangxin

AU - Mu, Xin

AU - Wang, Ying

PY - 2021

Y1 - 2021

N2 - The two-dimensional snake scanning of the CCD method provides an effective solution to measure small-scale light spots which are smaller than one CCD pixel. The influences of the A/D conversion digits and response uniformity of the CCD on the measurement error are studied. When the A/D conversion digit is 20, the measurement error can be ignored. The maximum error value of the nonuniform response of the CCD pixel when the order of the super-Gaussian function is 10 is 0.7 μm. The research results can be used to guide the experiment.

AB - The two-dimensional snake scanning of the CCD method provides an effective solution to measure small-scale light spots which are smaller than one CCD pixel. The influences of the A/D conversion digits and response uniformity of the CCD on the measurement error are studied. When the A/D conversion digit is 20, the measurement error can be ignored. The maximum error value of the nonuniform response of the CCD pixel when the order of the super-Gaussian function is 10 is 0.7 μm. The research results can be used to guide the experiment.

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Influences of Analog-to-Digital Conversion Accuracy and Response Uniformity of CCD on Small-Scale Laser Focal Spot Measurements

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