1. 北京信息科技大学光电测试技术及仪器教育部重点实验室
2. 北京信息科技大学光纤传感与系统北京实验室
3. 北京强度环境研究所
纸质出版:2024
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杨松岩, 何巍, 刘砚涛, 等. 基于FBG的双环减敏型超低温应变传感器研究[J]. 传感器与微系统, 2024,(12):58-61.
杨松岩, 何巍, 刘砚涛, 等. 基于FBG的双环减敏型超低温应变传感器研究[J]. 传感器与微系统, 2024,(12):58-61. DOI: 10.13873/J.1000-9787(2024)12-0058-04.
针对超低温环境下航天火箭燃料贮箱大应变健康监测困难的难题,提出一种基于光纤布拉格光栅(FBG)的双环减敏型超低温应变传感器。实验中采用低温胶进行封装处理,分别对传感器在常温和液氮环境下进行了应变测试,在(0~490)×10
-6
测量范围内,传感器应变灵敏度分别为0.18 pm/10
-6
和0.67 pm/10
-6
减敏比为2.68
所设计的传感器在超低温环境下具有良好的应变减敏特性。
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Congrui Zhang,Yongxiang Ge,Zhongchun Hu,Ke Zhou,Gaofeng Ren,Xiaodong Wang.Research on deflection monitoring for long span cantilever bridge based on optical fiber sensing[J].Optical Fiber Technology,2019.
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Nicolás Gutiérrez,Rosario Fernández,Pedro Galvín,Fernando Lasagni.Fiber Bragg grating application to study an unmanned aerial system composite wing[J].Journal of Intelligent Material Systems and Structures,2019.
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