Research on characteristic of output signal based extrinsic fiber Fabry-Perot acoustic sensors

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Research on characteristic of output signal based extrinsic fiber Fabry-Perot acoustic sensors

Article | 更新时间：2020-08-12

- Research on characteristic of output signal based extrinsic fiber Fabry-Perot acoustic sensors
- Optics and Precision Engineering Vol. 16, Issue 6, Pages: 1018-1024(2008)
- 作者机构：
  
  哈尔滨理工大学
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：10 October 2007，
  
  Revised：06 December 2007，
  
  Published Online：25 June 2008，
  
  Published：25 June 2008
- 稿件说明：
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李敏,赵洪. 非本征法珀型超声传感器输出信号特征的研究[J]. 光学精密工程, 2008,16(6):1018-1024

Research on characteristic of output signal based extrinsic fiber Fabry-Perot acoustic sensors[J]. Optics and precision engineering, 2008, 16(6): 1018-1024.
李敏,赵洪. 非本征法珀型超声传感器输出信号特征的研究[J]. 光学精密工程, 2008,16(6):1018-1024 DOI：

Research on characteristic of output signal based extrinsic fiber Fabry-Perot acoustic sensors[J]. Optics and precision engineering, 2008, 16(6): 1018-1024. DOI：

摘要

设计了一种由石英膜与尾纤端面组成的非本征型光纤法珀超声传感器，用于水下超声测量，讨论了其频率响应和灵敏度的影响因素；由于法珀传感器的工作点状态影响系统输出信号，本文分析了不同条件下该传感器的输出信号特征，为信号解调提供依据。与其他传感器相比，该传感器不受光源功率波动的影响，响应频率高，是水下超声检测的很好选择。

Abstract

Extrinsic fiber Fabry-Perot acoustic sensors consisted of quartz diaphragm and end of pigtail were performed on acoustic measurement under water. The characteristic of amplitude-frequency and sensitivity of the sensors were argued in the paper. Because quadrature-point of the Fabry-Perot sensors affected the system output

the characteristics of output signals were analyzed in different conditions. The Fabry-Perot sensors were subjected hardly to fluctuation of source power and their resonant frequency were higher than other sensors. So this kind of sensors was one of choices on acoustic measurement under water well.

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