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International Journal of Extreme Manufacturing, Volume. 5, Issue 3, 35503(2023)

A direct laser-synthesized magnetic metamaterial for low-frequency wideband passive microwave absorption

[in Chinese]1,2, [in Chinese]3, [in Chinese]4, [in Chinese]3, [in Chinese]5,6, [in Chinese]3, [in Chinese]2, [in Chinese]5,7,8,9, [in Chinese]4, [in Chinese]4, [in Chinese]2, [in Chinese]3,5, and [in Chinese]1,2、*
Author Affiliations
  • 1Laser Processing Research Centre, Department of Mechanical, Aerospace and Civil Engineering, The University of Manchester, Oxford Road, M13 9PL Manchester, United Kingdom
  • 2Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, People’s Republic of China
  • 3Department of Electrical and Electronics Engineering, The University of Manchester, Oxford Road, M13 9PL Manchester, United Kingdom
  • 4National Physical Laboratory, London, United Kingdom
  • 5National Graphene Institute, The University of Manchester, Oxford Road, M13 9PL Manchester, United Kingdom
  • 6Department of Materials, The University of Manchester, Oxford Road, M13 9PL Manchester, United Kingdom
  • 7Department of Physics and Astronomy, The University of Manchester, Oxford Road, M13 9PL Manchester, United Kingdom
  • 8Institute for Functional Intelligent Materials, National University of Singapore, 117544 Singapore, Singapore
  • 9Chongqing 2D Materials Institute, Liangjiang New Area, Chongqing 400714, People’s Republic of China
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    Microwave absorption in radar stealth technology is faced with challenges in terms of its effectiveness in low-frequency regions. Herein, we report a new laser-based method for producing an ultrawideband metamaterial-based microwave absorber with a highly uniform sheet resistance and negative magnetic permeability at resonant frequencies, which results in a wide bandwidth in the L-to S-band. Control of the electrical sheet resistance uniformity has wideband, wide-incident-angle, and high-electromagnetic-absorption microwave absorber can potentially be used in aviation, electromagnetic interference (EMI) suppression, and 5G applications.

    Keywords
    degrees of crystallizationFe3O4 nanoparticleslaser direct writinglow frequencywide bandwidth
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    [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. A direct laser-synthesized magnetic metamaterial for low-frequency wideband passive microwave absorption[J]. International Journal of Extreme Manufacturing, 2023, 5(3): 35503

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    Paper Information

    Received: Feb. 14, 2023

    Accepted: --

    Published Online: Jul. 26, 2024

    The Author Email: (lin.li@manchester.ac.uk)

    DOI:10.1088/2631-7990/acdb0c

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology