基于改进级联反射Lyot滤波器和FPI的光纤游标传感器

IF 2.7 3区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Optical Fiber Technology Pub Date : 2025-06-28 DOI:10.1016/j.yofte.2025.104329

Fang Lin , Rongwei Zhang , Jianwei Li , Jiuru Yang

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引用次数: 0

摘要

本文在Fabry-Perot干涉仪的基础上，通过连接反射Lyot滤波器和微腔，实验完成了一种新型的光纤游标传感器。对三种配置进行了比较，采用基于双环行器的上下包络改进级联（M−级联）获得了大于5.2 dB的可见性。然后采用腔长匹配的FPI进行了温度、轴向应变和扭转的综合试验。由于放大系数为~ 13.5，M−级联结构的灵敏度分别达到22.23 nm/°C、- 25.29 pm/με和- 85.8 pm/°。该传感器具有稳定性好、制作方便、灵敏度高等优点，在高精度工程监测和测量中具有很强的实用性和潜力。

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Fiber-optic Vernier sensor based on modified cascading reflective Lyot filter and FPI

In this paper, a novel fiber-optic Vernier sensor is experimentally completed by connecting reflective Lyot filter and microcavity based on Fabry-Perot interferometer. Three configurations are compared and the visibilities of larger than 5.2 dB are gained by a dual-circulator based modified cascading (M−cascading) in both upper and lower envelops. Then with a cavity-length matched FPI, the comprehensive tests are conducted in terms of temperature, axial strain and torsion. Due to the magnified factor of ∼13.5, the corresponding sensitivities of M−cascading configuration reach 22.23 nm/°C, −25.29 pm/με and −85.8 pm/°, respectively. The proposed sensor has the merits of stability, ease of fabrication and high sensitivity, which is very practical and potential in high-precision engineering monitoring and measurements.

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来源期刊

Optical Fiber Technology 工程技术-电信学

CiteScore

4.80

自引率

11.10%

发文量

327

审稿时长

63 days

期刊介绍： Innovations in optical fiber technology are revolutionizing world communications. Newly developed fiber amplifiers allow for direct transmission of high-speed signals over transcontinental distances without the need for electronic regeneration. Optical fibers find new applications in data processing. The impact of fiber materials, devices, and systems on communications in the coming decades will create an abundance of primary literature and the need for up-to-date reviews. Optical Fiber Technology: Materials, Devices, and Systems is a new cutting-edge journal designed to fill a need in this rapidly evolving field for speedy publication of regular length papers. Both theoretical and experimental papers on fiber materials, devices, and system performance evaluation and measurements are eligible, with emphasis on practical applications.