Wavefront Sensing Technology of High Repetition Rate Heat Capacity Master Oscillator Power Amplifier System

Zewei, 邓泽微 Deng; Xiuhua, 马秀华 Ma; Xiangchun, 施翔春 Shi

doi:10.3788/cjl20083507.1055

中国激光

2008

DOI: 10.3788/cjl20083507.1055

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Wavefront Sensing Technology of High Repetition Rate Heat Capacity Master Oscillator Power Amplifier System

邓泽微 Deng Zewei¹,

马秀华 Ma Xiuhua²,

施翔春 Shi Xiangchun³

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2023

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SCPNet-based correction of distorted multi-spots for three-dimensional surface measurement of metal cylindrical shaft parts

Huang¹,

Wu²,

Kong³

et al. 2023

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Metal cylindrical shaft parts are critical components in industrial manufacturing that require high standards for roundness error and surface roughness. When using the self-developed multi-beam angle sensor (MBAS) to detect metal cylindrical shaft parts, the distorted multi-spots degrade the measurement accuracy due to the nonlinear distortion caused by the metal material’s reflective properties and surface roughness. In this study, we propose a spot coordinate prediction network (SCPNet), which is a deep-learning neural network designed to predict spot coordinates, in combination with Hough circle detection for localization. The singular value decomposition (SVD) model is employed to eliminate the tilt error to achieve high-precision, three-dimensional (3D) surface reconstruction of metal cylindrical shaft parts. The experimental results demonstrate that SCPNet can effectively correct distorted multi-spots, with an average error of the spot center of 0.0612 pixels for ten points. The proposed method was employed to measure metal cylindrical shaft parts with radii of 10 mm, 20 mm, 35 mm, and 50 mm, with resulting standard deviation (STD) values of 0.0022 µm, 0.0026 µm, 0.0028 µm, and 0.0036 µm, respectively.

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SCPNet-based correction of distorted multi-spots for three-dimensional surface measurement of metal cylindrical shaft parts

Huang¹,

Wu²,

Kong³

et al. 2023

Opt. Express

View full text Add to dashboard Cite

show abstract

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Wavefront Sensing Technology of High Repetition Rate Heat Capacity Master Oscillator Power Amplifier System

Cited by 1 publication

References 0 publications

SCPNet-based correction of distorted multi-spots for three-dimensional surface measurement of metal cylindrical shaft parts

SCPNet-based correction of distorted multi-spots for three-dimensional surface measurement of metal cylindrical shaft parts

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