Prof. Mingjun Chen Profile

Prof. Mingjun Chen

at Harbin Institute of Technology

SPIE Involvement:

Author

Publications (11)

Proceedings Article | 8 November 2024 Paper

Investigation on laser annealing mechanism of fused silica optics polished by CO2 lasers based on fictive temperature distribution

Tianhao Zhang, Linjie Zhao, Mingjun Chen, Jian Cheng, Zhaoyang Yin, Tianyuan Li

Proceedings Volume 13234, 132340J (2024) https://doi.org/10.1117/12.3035062

KEYWORDS: Annealing, Silica, Polishing, Laser processing, Carbon dioxide lasers

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Proceedings Article | 29 December 2023 Paper

A study on surface finish of SiCp/Al composites machining

Zhigao Chen, Bo Wang, Fei Ding, Qiuyan Liao, Jiadai Xue, Kaiji Wu, Yuxin Fan, Qinghui Zhang, Mingjun Chen

Proceedings Volume 12976, 129760V (2023) https://doi.org/10.1117/12.3008595

KEYWORDS: Composites, Mirror surfaces, Surface finishing, Materials processing, Materials properties

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Proceedings Article | 19 November 2021 Poster + Paper

Surface damage evolution of KDP crystals induced by conical cracks under irradiation of nanosecond laser

Wenyu Ding, Mingjun Chen, Jian Cheng, Hao Yang, Linjie Zhao, Qi Liu, Zhichao Liu

Proceedings Volume 11910, 119101U (2021) https://doi.org/10.1117/12.2618820

KEYWORDS: Crystals, Laser induced damage, Laser crystals, Laser irradiation

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Proceedings Article | 19 November 2021 Poster + Paper

Investigation on the influence of the CO2 laser parameters on the defect healing process of fused silica

Zican YANG, Hongguang Xu, Jian Cheng, Linjie Zhao, Mingjun Chen, Jinghe Wang, Chao Tan, Yaguo LI, Zhichao Liu

Proceedings Volume 11910, 119101V (2021) https://doi.org/10.1117/12.2618826

KEYWORDS: Silica, Carbon dioxide lasers, Surface finishing, Laser processing, Optics manufacturing, Laser irradiation, Thermal modeling, Temperature metrology

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Proceedings Article | 8 July 2019 Paper

Transient dynamic behavior during nanosecond laser-induced damage initiated by surface defects on KDP crystals with simulation and experimental method

Hao Yang, Jian Cheng, Zhichao Liu, Qi Liu, Linjie Zhao, Jian Wang, Mingjun Chen

Proceedings Volume 11063, 110630K (2019) https://doi.org/10.1117/12.2540166

KEYWORDS: Laser induced damage, Crystals, Laser crystals, Optical simulations, Laser irradiation, Fluid dynamics, Plasma, Absorption, Manufacturing, Microfluidics

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Proceedings Article | 24 January 2019 Paper

Downstream light intensification induced by Gaussian mitigation pits using micro-milling on rear KDP surface

Hao Yang, Jian Cheng, Mingjun Chen, Qi Liu, Zhichao Liu, Jian Wang, Qiao Xu

Proceedings Volume 10840, 108400W (2019) https://doi.org/10.1117/12.2504919

KEYWORDS: Modulation, Crystals, Diffraction, Laser induced damage, Optical components, Laser crystals, Micro cutting, Micromachining, Near field diffraction, High power lasers

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Proceedings Article | 13 November 2017 Paper

Development of optimal mitigation contours and their machining flow by micro-milling to improve the laser damage resistance of KDP crystal

Jian Cheng, Hao Yang, Qi Liu, Mingjun Chen, Wenjing Ma, Jiubin Tan, Chenhui An, Zhichao Liu

Proceedings Volume 10447, 104471L (2017) https://doi.org/10.1117/12.2280519

KEYWORDS: Laser induced damage, Crystals, Spherical lenses, Near field optics, Micro cutting, Resistance, Laser crystals, Near field, Crystal optics, Surface roughness

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Proceedings Article | 27 December 2001 Paper

Ultraprecision grinding machining of optical aspheric surface in ductile mode

Mingjun Chen, Feihu Zhang, Qingliang Zhao, Shen Dong

Proceedings Volume 4451, (2001) https://doi.org/10.1117/12.453646

KEYWORDS: Aspheric lenses, Surface roughness, Glasses, Analytical research, Surface finishing, Diamond wheels, Microfluidics, Error analysis, Diamond machining, Factor analysis

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