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Long-period gratings in special geometry fibers for high-resolution and selective sensors

机译:特殊几何形状光纤的长周期光栅,用于高分辨率和选择性传感器

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摘要

Advantages for sensor applications of long-period gratings (LPGs) in special optical fibers are reported. Two consecutive LPGs separated by 60 to 100 mm interfere to improve the resolution and reduce noise in a highly doped fiber with inner cladding and in a D-shaped fiber. These gratings provide good contrast to increase the resolution for sensing applications, with or without access to the surroundings along the fiber. The mode profiles of the devices were characterized experimentally to gain deeper insight into the improved functionality.
机译:据报道,在特殊光纤中使用长周期光栅(LPG)的传感器应用具有优势。相隔60到100毫米的两个连续的LPG相互干扰,以提高分辨率并降低带有内包层的高掺杂光纤和D形光纤的噪声。这些光栅可提供良好的对比度,以提高传感应用的分辨率,无论是否接触光纤周围的环境。对设备的模式配置文件进行了实验表征,以更深入地了解改进的功能。

著录项

  • 来源
    《Optical engineering》 |2014年第6期|066109.1-066109.7|共7页
  • 作者单位

    Technology & Service Solutions, Vestas Wind Systems A/S, Hedeager 42, 8200 Aarhus N, Denmark,Aarhus University, Department of Engineering, Finlandsgade 22, 8200 Aarhus N, Denmark;

    University of Sydney, School of Chemistry, Interdisciplinary Photonics Laboratories, 222 Madsen Building F09, Sydney, New South Wales 2006,Australia;

    University of Sydney, School of Chemistry, Interdisciplinary Photonics Laboratories, 222 Madsen Building F09, Sydney, New South Wales 2006,Australia,Zhejiang University, Center for Optical and Electromagnetic Research, Hangzhou 310058, China;

    University of Sydney, School of Chemistry, Interdisciplinary Photonics Laboratories, 222 Madsen Building F09, Sydney, New South Wales 2006,Australia;

    University of New South Wales, Photonics and Optical Communications, Sydney, New South Wales 2052, Australia;

    University of New South Wales, Photonics and Optical Communications, Sydney, New South Wales 2052, Australia;

    Aarhus University, Aarhus School of Engineering, Finlandsgade 22, 8200 Aarhus N, Denmark;

    Aarhus University, Department of Engineering, Finlandsgade 22, 8200 Aarhus N, Denmark;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    optics; gratings; fiber optic sensors;

    机译:光学;光栅;光纤传感器;

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