FBG Micro-Seismic Sensor with High Resonant Frequency Based on Elastic Light-Walls Tube

YU Da-kuan; LIU Qin-peng; GAO Hong; JIA Zhen-an; QIAO Xue-guang

doi:10.13756/j.gtxyj.2016.03.016

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FBG Micro-Seismic Sensor with High Resonant Frequency Based on Elastic Light-Walls Tube

- FBG Micro-Seismic Sensor with High Resonant Frequency Based on Elastic Light-Walls Tube
- Study on Optical communication Issue 3, Pages: 50-52(2016)
- 作者机构：
  
  1. 西安石油大学理学院光电油气测井与检测教育部重点实验室
  2. 西北工业大学理学院陕西省光信息技术重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2016.03.016
  CLC： TN253
- Published：2016，
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[1]禹大宽,刘钦朋,高宏,贾振安,乔学光.基于弹性薄壁管的光纤光栅高频加速度检波器[J].光通信研究,2016(03):50-52.

YU Da-kuan, LIU Qin-peng, GAO Hong, et al. FBG Micro-Seismic Sensor with High Resonant Frequency Based on Elastic Light-Walls Tube. [J]. (3):50-52(2016)
[1]禹大宽,刘钦朋,高宏,贾振安,乔学光.基于弹性薄壁管的光纤光栅高频加速度检波器[J].光通信研究,2016(03):50-52. DOI： 10.13756/j.gtxyj.2016.03.016.

YU Da-kuan, LIU Qin-peng, GAO Hong, et al. FBG Micro-Seismic Sensor with High Resonant Frequency Based on Elastic Light-Walls Tube. [J]. (3):50-52(2016) DOI： 10.13756/j.gtxyj.2016.03.016.

摘要

针对非常规油气开采微地震监测检波器高频检测的要求

提出了一种基于弹性薄壁管的FBG（光纤布拉格光栅）高频微地震检波器

理论分析了该检波器的实验模型

并对检波器的幅频特性和加速度灵敏度进行了实验研究。实验结果表明:基于弹性薄壁管的FBG高频微地震检波器的固有频率为1 680 Hz;在50

200 Hz工作频率范围内

加速度与波长有很好的线性关系

线性拟合度为0.998 4

加速度响应灵敏度为4.393 2 pm/G

实验值与理论值的相对误差为0.15%。

Abstract

In non-conventional oil and gas exploitation field

micro-seismic monitoring technology requireshigh resonant frequency micro-seismic sensor. In this paper

a Fiber Bragg Grating（FBG）micro-seismic geophone with high resonant frequency based on elastic light-walls tube is proposed. The mechanical model

the amplitude-frequency and the sensitivity of the geophone are theoretically analyzed and experimentally measured. Experimental results show that the resonant frequency is 1 680 Hz.In the operating range of 50

1200 Hz

the linear fitting degree is 0.998 4 and the acceleration sensitivity is 4.393 2 pm / G. The relative error is 0.15% between the experimental result and theoretical analysis.

关键词

光纤光学光纤布拉格光栅微地震检波器灵敏度

Keywords

fiber opticsFBGmicro-seismic sensorsensitivity

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Related Institution

Dept.of Electronic and Communication Engineering,North China Electric Power University

School of Ocean Technology Sciences, Qilu University of Technology (Shandong Academy of Sciences)

Institute of Oceanographic Instrumentation, Qilu University of Technology (Shandong Academy of Sciences)

Beijing Laboratory of Optical Fiber Sensing and Systems, Beijing Information Science and Technology University

Key Laboratory of the Ministry of Education for Optoelectronic Measurement Technology and Instrument, Beijing Information Science and Technology University

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