Distributed optical fiber sensors (DOFS) offer unprecedented features, the most unique one
of which is the ability of monitoring variations of the physical and chemical parameters with …

Distributed optical fiber vibration sensor (DOFVS) is suitable for remote monitoring of
vibration signals generated by external perturbations. In order to improve the sensing …

Optical frequency domain reflectometry (OFDR) is a kind of distributed optical fiber sensors
(DOFS) which has attracted an increasing amount of research attention. The OFDR sensor …

Abstract Distributed Fiber Optic Sensing is increasingly recognized as a viable alternative to
geophone arrays for the acquisition of borehole seismic data. The ability to deploy optical …

Distributed dynamic strain measurement based on optical frequency-domain reflectometry is
proposed. The technique makes use of the wide scanning range of a tunable laser source in …

In this paper, a highly-sensitive distributed shape sensor based on a multicore fiber (MCF)
and phase-sensitive optical time-domain reflectometry (φ-OTDR) is proposed and …

Optical frequency-domain reflectometry (OFDR) offers a unique combination of ultrahigh
spatial resolution and sensitivity, which makes OFDR one of the most rapidly developing …

摘要光频域反射技术(OFDR) 是高空间分辨率和高精度光纤链路性能检测和分布式光纤传感的
重要技术途径. 其中, 激光在宽范围扫频下的扫频非线性和相频噪声是有待解决的关键问题 …

We report on a quantitative quasi-distributed vibration sensing (DVS) system enabled by
phase-sensitive optical frequency domain reflectometry (φ-OFDR), which allows for multiple …

摘要目前随着公共安全领域非法入侵事件的数量急剧增加, 迫切需要新型传感技术来侦测非法
入侵事件. 针对精确定位, 准确识别, 多参量融合等瓶颈问题, 天津大学, 天地伟业技术有限公司等 …