(Peer-Reviewed) Fiber-optic microstructured sensors based on abrupt field patterns: theory, fabrication, and applications
Yuxuan Yi 易宇轩 ¹, Wanlai Zhu 朱万来 ¹, Zao Yi 易早 ¹ ², Zigang Zhou 周自刚 ¹, Shubo Cheng 程书博 ³, Majid Niaz Akhtar ⁴, Sohail Ahmad ⁵
¹ School of Mathematics and Science, Southwest University of Science and Technology, Mianyang 621010, China
中国 绵阳 西南科技大学数理学院
² School of Chemistry and Chemical Engineering, Jishou University, Jishou 416000, China
中国 吉首 吉首大学化学化工学院
³ School of Physics and Optoelectronic Engineering, Yangtze University, Jingzhou 434023, China
中国 荆州 长江大学物理与光电工程学院
⁴ Institute of Physics, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
⁵ Institute of Physics, Bahauddin Zakariya University, Multan 66000, Pakistan
Opto-Electronic Science
, 2026-01-23
Abstract
Fiber-optic sensing technology has the advantages of passivity, anti-electromagnetic interference, long-distance measurement, high sensitivity and high accuracy, small size, and adaptability to harsh environments such as high-vacuum, high-pressure, and strong magnetic fields compared with the traditional electrical sensing technology. However, with the increasing application requirements, how to further improve the sensitivity of fiber-optic sensors, extend the detection limit and improve the maintenance-free capability has become one of the core issues of the current research.
This paper reviews the principle, preparation, and application of fiber-optic microstructured sensing based on abrupt field type. It specifically outlines the development and applications of micro-nano optical fibers, photonic crystal optical fibers, optical fiber gratings and structured optical fibers, and lists the main preparation methods of two types of micro-nano optical fibers from the basic theory of optical fiber microstructured sensor devices.
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