| 厘米级分辨率布里渊光纤传感器研究进展 |
| |
| 引用本文： | 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 |
| |
| 作者姓名： | 李欢 李永倩 王虎 何青尔 |
| |
| 作者单位： | 1. 华北电力大学电子与通信工程系,河北保定,071003
2. 华北电力大学电子与通信工程系,河北保定 071003;华北电力大学苏州研究院,江苏苏州 215123 |
| |
| 基金项目： | 苏州市科技发展计划项目 |
| |
| 摘 要： | 介绍了一种新的布里渊传感方法 -预激发声场法,分析了基于布里渊回波和动态光栅的两种预激发声场的传感技术,详细介绍了两种技术的传感原理及其传感系统,指出了此方法的关键技术。该技术可以突破空间分辨率只有1m的限制,具有高测量精度、高空间分辨率的优点。最后探讨了布里渊分布式光纤传感技术的发展趋势。
|
| 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 |
Advances in the research on Brillouin-based optical fiber sensors with centimeter resolution |
| |
| LI Huan , LI Yong-qian , WANG Hu , HE Qing-er. Advances in the research on Brillouin-based optical fiber sensors with centimeter resolution[J]. Optical Communication Technology, 2012, 36(6): 10-13 |
| |
| Authors: | LI Huan LI Yong-qian WANG Hu HE Qing-er |
| |
| Affiliation: | 1(1.Dept.of Electronics and Communication Engineering, North China Electric Power University,Baoding Hebei 071003,China; 2.Suzhou Institute of North China Electric Power University,Suzhou Jiangsu 215123,China |
| |
| 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 1m 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. |
| |
| Keywords: | Brillouin scattering distributed fiber sensors Brillouin echo Brillouin dynamic grating |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
