Chinese Journal of Lasers, Volume. 46, Issue 5, 0508019(2019)

Large-Area Laser Marking Methods Based on Femtosecond Laser Filamentation

Ping Chen, Yunfei Wang, Zijie Dai, Cheng Gong, Nan Zhang, and Weiwei Liu*
Author Affiliations
  • Institute of Modern Optics, College of Electronic Information and Optical Engineering,Nankai University, Tianjin 300350, China
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    In the conventional laser marking systems, the marking area is usually limited due to the short focal length. Herein, an alternative method is proposed to pursue large-area marking based on femtosecond laser filamentation, and the marking range and resolution are analyzed in detail. The experimental results show that the femtosecond laser filamentation can effectively increase the focal depth and complete marking on large-area flat or curved surface samples. Furthermore, the resolution uniformity is improved within the effective working range of the marking system.

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    Ping Chen, Yunfei Wang, Zijie Dai, Cheng Gong, Nan Zhang, Weiwei Liu. Large-Area Laser Marking Methods Based on Femtosecond Laser Filamentation[J]. Chinese Journal of Lasers, 2019, 46(5): 0508019

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    Paper Information

    Category: nonlinear optics

    Received: Dec. 26, 2018

    Accepted: Feb. 25, 2019

    Published Online: Nov. 11, 2019

    The Author Email: Liu Weiwei (liuweiwei@nankai.edu.cn)

    DOI:10.3788/CJL201946.0508019

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