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Publisher:admin     Author:    Source:   Release time:2016-09-09 11:24:30


Using existing optical fibre as an acoustic sensor

Distributed Acoustic Sensing (DAS) measures sound by light in optical fibre.




Principle of the sensing technology

The fibre is the sensor




System configuration





Reduced costs
Improved safety
Greater availability
Higher throughput






1)Speed detection




2)Railway monitoring




3)Rock fall detection




4)Large scale networked DAS installation





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Beijing Zhongtong ACE Rail Technology Co., Ltd
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ADD: Shuangyong South Road No.2, Hi-tech Distric, Xiangtan City, Hunan Province      Tel:0731-58581288