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厘米级分辨率布里渊光纤传感器研究进展

李欢 李永倩 王虎 何青尔

光通信技术2012,Vol.36Issue(6):10-13,4.
光通信技术2012,Vol.36Issue(6):10-13,4.

厘米级分辨率布里渊光纤传感器研究进展

Advances in the research on Brillouin-based optical fiber sensors with centimeter resolution

李欢 1李永倩 1王虎 2何青尔1

作者信息

  • 1. 华北电力大学电子与通信工程系,河北保定 071003
  • 2. 华北电力大学苏州研究院,江苏苏州 215123
  • 折叠

摘要

Abstract

Novel approaches of the prior activation of the acoustic wave are introduced, and the technologies based on Brillouin echoes and Brillouin dynamic grating are analyzed. The sensing principles and schemes of these technologies are introduced in detail, their key techniques are pointed out. These technologies can break through the limit of spatial resolution of lm and have the advantages of high measurement precision and high spatial resolution. Finally the trends of development of Brillouin distribution optical fiber sensing technology are discussed.

关键词

布里渊散射/分布式光纤传感器/布里渊回波/布里渊动态光栅

Key words

Brillouin scattering/distributed fiber sensors/Brillouin echo/Brillouin dynamic grating

分类

信息技术与安全科学

引用本文复制引用

李欢,李永倩,王虎,何青尔..厘米级分辨率布里渊光纤传感器研究进展[J].光通信技术,2012,36(6):10-13,4.

基金项目

苏州市科技发展计划项目(SYG201013)资助. (SYG201013)

光通信技术

OA北大核心CSCDCSTPCD

1002-5561

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