Brillouin distributed time-domain sensing in optical fibers:state of the art and perspectives
Brillouin distributed time-domain sensing in optical fibers: state of the art and perspectives作者机构：Ecole Polytechnique Fédérale de Lausanne Institute of Electrical Engineering
出 版 物：《Frontiers of Optoelectronics》 (光电子前沿(英文))
年 卷 期：2010年第3卷第1期
页 面：13-21页
学科分类：070207[理学-光学] 07[理学] 080202[工学-机械电子工程] 08[工学] 0802[工学-机械工程] 0702[理学-物理学]
基 金：supported by the company Omnisens by the COST Action 299 “FiDES”
主 题：optical fiber optical fiber sensors distributed fiber sensors stimulated Brillouin scattering nonlinear fiber optics
摘 要：Optical fiber sensors based on stimulated Brillouin scattering have now clearly demonstrated their excellent capability for long-range distributed strain and temperature measurements. The fiber is used as sensing element, and a value for temperature and/or strain can be obtained from any point along the fiber. After explaining the principle and presenting the standard implementation,the latest developments in this class of sensors will be introduced, such as the possibility to measure with a spatial resolution of 10 cm and below while preserving the full accuracy on the determination of temperature and strain.
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