DAS: A Seismic Shift in Sensing – FOSA
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DAS: A Seismic Shift in Sensing

FOSA
FOSA

From earthquakes to smart cities, fiber can monitor systems in unprecedented detail….DAS interrogators first came on the market about 20 years ago, and have been used to protect sensitive infrastructure by detecting suspicious vibrations close by. Owners of oil and gas pipelines have been among the biggest buyers, with DAS supplier OptaSense having instrumented more than 25,000 km of pipes-including the 1850 km of the Trans-Anatolian Natural Gas Pipeline running across Turkey. Since about 2010, however, the market for DAS has expanded thanks to advances in optoelectronics and signal processing that render a length of fiber not merely a disturbance detector but a sophisticated strain sensor. In particular, according to OptaSense’s Martin Karrenbach, there has been a “huge push” by energy companies to exploit the technology in well bores….DAS can provide much denser sampling, is sturdier and is also easier to install….Among the borders employing OptaSense systems, for example, are those between the U.S. and Mexico and between Lithuania and Belarus.
DAS: A Seismic Shift in Sensing
Optics & Photonics News June 2021
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