光通信技术, 2020, 44 (2): 28, 网络出版: 2020-04-05   

非本征光纤F-P干涉声传感器的研究

Research on extrinsic fiber F-P interference acoustic sensor
作者单位
西安石油大学 理学院, 西安 710065
摘要
为研究不同材料对法布里-珀罗(F-P)干涉声传感器性能的影响。采用几种不同金属材料, 设计制作了基于光纤端面—膜片非本征型F-P干涉声传感器, 利用有限元方法对圆形振动膜片进行模态分析, 得到了一阶固有频率。实验结果表明: 由金、锌合金材料制作的传感器可探测较低声压, 且传感器灵敏度较高、对外界声波信号响应成良好的线性关系。
Abstract
To study the influence of different materials on Fabry–Perot(F-P) interference acoustic sensor. An extrinsic F-P acoustic sensor based on the structure of fiber end-membrane was fabricated with several different metal diaphragm materials. Besides, the first-order natural frequency was obtained through simulating and analyzing the circular diaphragm using the method of finite element. Experimental results show that the sensor with gold diaphragm and zinc alloys diaphragm exhibit high sensitivity and good linear response property, and which can be detecting lower sound pressure.
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杨冲, 傅海威, 雍振, 刘颖刚, 李辉栋, 王旗旗, 王帅. 非本征光纤F-P干涉声传感器的研究[J]. 光通信技术, 2020, 44(2): 28. YANG Chong, FU Haiwei, YONG Zhen, LIU Yinggang, LI Huidong, WANG Qiqi, WANG Shuai. Research on extrinsic fiber F-P interference acoustic sensor[J]. Optical Communication Technology, 2020, 44(2): 28.

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