剪切增稠材料增强涂覆的高灵敏抗冲击光纤
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国家自然科学基金重大科研仪器专项(12427802);安徽省自然科学基金面上项目(2208085ME138)


Coating optical fiber with shear-thickening materials for sensitivity and impact resistance enhancement
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    摘要:

    在通感一体光网络中,光缆作为核心传输介质,需兼具微小振动敏感性与强冲击防护性。然而,传统材料的固有特性难以调和这2个矛盾,成为制约通感一体光网络性能提升的瓶颈。为此,本文提出剪切增稠材料增强涂覆方法,在光纤表面交替涂覆剪切增稠液(STF)与剪切变硬胶(SSG),以同步提升敏感性与防护性。光纤涂覆实验将STF和SSG交替涂覆6次,光纤直径从初始的240.599 μm增至279.032 μm;增强涂覆后光纤的平均测量灵敏度提升了75.1%,且抗冲击性能提高了40.6%。该结果表明,剪切增稠材料增强涂覆方法能有效解决光纤测量灵敏度与抗冲击性能的矛盾,将促进通感一体光网络的发展。

    Abstract:

    In an integrated sensing and communication optical network, the optical cable serves as the core transmission medium.It must be sensitive to minor vibrations yet robust enough to withstand strong impacts.However, it is difficult to reconcile these two contradictory properties in traditional materials, which restricts the performance improvement of the integrated sensing and communication optical network.This paper proposed a method of enhancing the coating with shear thickening material, whereby shear thickening fluid (STF) and shear stiffening gel (SSG) were alternately applied to the surface of the optical fibre to enhance both sensitivity and protection simultaneously.In the experiment, STF and SSG were coated alternately six times, increasing the diameter of the optical fibre from 240.599 μm to 279.032 μm.The average measured sensitivity of the fibre increases by 75.1% and its impact resistance improves by 40.6% after enhancement coating.These results demonstrate that the shear thickening material enhancement coating method can effectively overcome the contradiction between optical fibre measurement sensitivity and impact resistance, promoting the development of integrated sensing and communication optical networks.

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钟翔*,刘珂,郭文博,马孟超,邓华夏,刘冰,龚兴龙.剪切增稠材料增强涂覆的高灵敏抗冲击光纤[J].实验力学,2025,40(6):692~699

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  • 收稿日期:2025-02-11
  • 最后修改日期:2025-04-14
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  • 在线发布日期: 2026-01-27
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