This paper studies the feasibility of applying electrical resistance tomography (ERT) to detect
changes in two-dimensional (2D) temperature distributions with potential applications in …

Brillouin gain spectrum measurement along an optical fiber has recently gained a lot of
interests owing to its potentiality for strain monitoring in installed cables [1] and distributed …

摘要近些年, 分布式布里渊光纤传感因具有分布式应变和温度的测量能力, 以及在结构健康监测
领域的重要应用而受到广泛的研究. 在多种传感方案中, 布里渊光时域分析(BOTDA) …

This paper provides an overview of distributed strain and temperature sensing techniques
that employ Brillouin scattering in single-mode optical fibers. These techniques are based …

A BOTDA with the capacity of break interrogation is proposed and demonstrated
experimentally. In our configuration, coherent detection and double sideband probe method …

Advances in sensors technology provided an opportunity to monitor structures during
different construction stages, as well as the behavior of concrete elements during hydration …

We present a fast distributed Brillouin optical fiber sensor based on pump frequency
modulation. The frequency shift of the probe is fixed, while the pump is fast scanned using …

Solving the elastic wave equation exactly for a Ge O 2-doped silica fiber with a steplike
distribution of the longitudinal and shear velocities and density, we have obtained the …

自从2007 年布里渊动态光栅被首次提出用于实现光存储以来, 该技术得到了国际上的广泛关注
和研究. 布里渊动态光栅本质上是由相干声波场激发的折射率光栅, 一般情况下两束抽运光(频率 …