In-fiber Fabry Perot interferometer with narrow interference fringes for enhanced sensitivity in elastic wave detection

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In-fiber Fabry Perot interferometer with narrow interference fringes for enhanced sensitivity in elastic wave detection

机译：具有窄干涉条纹的光纤法布里珀罗干涉仪，可提高弹性波检测的灵敏度

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In this work, we have demonstrated using a pair of in-fiber Fabry-Perot interferometer (FPI) with matched Bragg wavelength and free spectral range (FSR) for elastic wave detection based on matched filter interrogation configuration. The cavity lengths of the FPI structures are deliberately made long to achieve small FSR to enhance their sensitivity to elastic wave pressure. It is found that the sensitivity of sensor to elastic wave pressure is linearly proportional to the FPI cavity length. This finding is in agreement with the theoretical analysis.

机译：在这项工作中，我们已经演示了使用一对具有匹配的布拉格波长和自由光谱范围（FSR）的光纤内Fabry-Perot干涉仪（FPI）进行基于匹配滤波器询问配置的弹性波检测。故意使FPI结构的腔体长度变长，以实现较小的FSR，从而增强其对弹性波压力的敏感性。发现传感器对弹性波压力的灵敏度与FPI腔长度成线性比例关系。这一发现与理论分析相符。

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来源
《Optical fiber technology》 |2019年第12期|102021.1-102021.6|共6页
作者

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作者单位

Univ Malaya Photon Res Ctr Kuala Lumpur 50603 Malaysia;

Univ Malaysia Pahang Fac Mech Engn Adv Struct Integr & Vibrat Res Grp Pekan 26600 Pahang Malaysia;

Northwest Univ Sch Phys Xian 710069 Shaanxi Peoples R China;

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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
Fiber Bragg grating; Fabry-Perot interferometer; Matched filter interrogation;

机译：光纤布拉格光栅法布里-珀罗干涉仪;匹配滤波器查询;

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专利

1. In-Fiber Collimator-Based Fabry-Perot Interferometer with Enhanced Vibration Sensitivity [J] . Du Bin, Xu Xizhen, He Jun, Nature reviews Cancer . 2019,第2期

机译：基于纤维准直器的法布里 - 珀罗干涉仪，具有增强的振动灵敏度
2. In-Fiber Collimator-Based Fabry-Perot Interferometer with Enhanced Vibration Sensitivity [J] . Bin Du, Xizhen Xu, Jun He, Sensors . 2019,第2期

机译：基于光纤准直器的法布里-珀罗干涉仪，具有增强的振动灵敏度
3. High-sensitivity strain sensor with an in-fiber air-bubble Fabry-Perot interferometer [J] . Zhou Kun, Ai Ming-Zhong, Qian Zhong-Hua, Applied Physics Letters . 2018,第18期

机译：带光纤气泡法布里-珀罗干涉仪的高灵敏度应变传感器
4. Ultrahigh-sensitivity temperature sensor based on in-fiber Fabry-Perot interferometer [C] . Kaiming Yang, Jun He, Shen Liu, Fifth Asia-Pacific Optical Sensors Conference . 2015

机译：基于光纤法布里-珀罗干涉仪的超高灵敏度温度传感器
5. The effects of Fabry-Perot fringing on the sensitivity of a wavelength modulation experiment [D] . Shea, Patrick C. 1998

机译：法布里-珀罗条纹对波长调制实验灵敏度的影响
6. In-Fiber Collimator-Based Fabry-Perot Interferometer with Enhanced Vibration Sensitivity [O] . Bin Du, Xizhen Xu, Jun He, 2019

机译：基于光纤准直器的法布里-珀罗干涉仪具有增强的振动灵敏度
7. In-Fiber Collimator-Based Fabry-Perot Interferometer with Enhanced Vibration Sensitivity [O] . Bin Du, Xizhen Xu, Jun He, 2019

机译：基于纤维准直器的法布里 - 珀罗干涉仪，具有增强的振动灵敏度
8. Fabry-Perot Grating Interferometer in Polarization-Maintaining Fiber (Fabry-Perot211 Gitter Interferometer i Polarisationsbevarande Fiber) [R] . Hamlin, S. 1999

机译：偏振保持光纤中的法布里 - 珀罗光栅干涉仪（Fabry-perot211 Gitter干涉仪i polarisationsbevarande光纤）

In-fiber Fabry Perot interferometer with narrow interference fringes for enhanced sensitivity in elastic wave detection

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