Researching | OCT Algorithmic Optimization for Penetration Depth Monitoring in Laser Deep Penetration Welding of High‐Reflectivity Alloys

Chinese Journal of Lasers, Volume. 52, Issue 12, 1202104(2025)

OCT Algorithmic Optimization for Penetration Depth Monitoring in Laser Deep Penetration Welding of High‐Reflectivity Alloys

Yuanhao Ren^1,2, Di Wu^1,2、*, Zekai Hou³, Lu Zhang³, Yuan Liu³, Jinfang Dong^1,2, and Peilei Zhang^1,2

Author Affiliations

¹School of Materials Science and Engineering, Shanghai University of Engineering Science, Shanghai 201620, China

²Shanghai Collaborative Innovation Center of Advanced Laser Manufacturing Technology, Shanghai 201620, China

³TRUMPF (China) Co., Ltd., Taicang215400, Jiangsu , China

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References(13)

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[5] Boley M, Fetzer F, Weber R et al. Statistical evaluation method to determine the laser welding depth by optical coherence tomography[J]. Optics and Lasers in Engineering, 119, 56-64(2019).

[6] Li Z Y, Li Z L, Nan N et al. Measurement method of keyhole depth in laser welding based on polarization sensitive OCT[J]. Chinese Journal of Lasers, 50, 2002106(2023).

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[8] Hollatz S, Hummel M, Jaklen L et al. Processing of keyhole depth measurement data during laser beam micro welding[J]. Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications, 234, 722-731(2020).

[9] Sokolov M, Franciosa P, Sun T Z et al. Applying optical coherence tomography for weld depth monitoring in remote laser welding of automotive battery tab connectors[J]. Journal of Laser Applications, 33, 012028(2021).

[10] Sokolov M, Franciosa P, Al Botros R et al. Keyhole mapping to enable closed-loop weld penetration depth control for remote laser welding of aluminum components using optical coherence tomography[J]. Journal of Laser Applications, 32, 032004(2020).

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[13] He G H, Gao X D, Li L M et al. OCT monitoring data processing method of laser deep penetration welding based on HDBSCAN[J]. Optics & Laser Technology, 179, 111303(2024).

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Yuanhao Ren, Di Wu, Zekai Hou, Lu Zhang, Yuan Liu, Jinfang Dong, Peilei Zhang. OCT Algorithmic Optimization for Penetration Depth Monitoring in Laser Deep Penetration Welding of High‐Reflectivity Alloys[J]. Chinese Journal of Lasers, 2025, 52(12): 1202104

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Paper Information

Category: Laser Forming Manufacturing

Received: Jan. 2, 2025

Accepted: Feb. 20, 2025

Published Online: May. 24, 2025

The Author Email: Di Wu (wudi@sues.edu.cn)

DOI:10.3788/CJL250432

CSTR:32183.14.CJL250432

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology