OFS Introduces New Vibration Sensing Optical Fiber


OFS introduced a new vibration sensing single mode optical fiber at Photonics West 2019 exhibition. OFS brand this new sensor fiber as AcoustiSens™.

Designed to enhance Distributed Acoustic Sensing (DAS) systems, this patented product will be shown during the Photonics West Exposition being held at the Moscone Center in San Francisco, California from 5 through 7 February 2019.

Distributed acoustic sensing, which is often shortened as DAS is based on Rayleigh scattering principle. DAS systems use fiber optic cables to gather distributed strain sensing information. In the DAS system, the fiber optic cable becomes the sensing element and measurements are made, processed partly, using an attached optoelectronic device. Such a system allows acoustic frequency strain signals to be detected over large distances and in harsh environments.


– Monitoring over distances of up to 50 kilometers from each laser source.
– Continuous monitoring of pipelines in combination with suitable software.
– Can monitor unwanted interference and leaks/flow irregularities in Oil and Gas Pipelines.
– Remote Roads, properties and borders can be monitored for unusual activities.
– To monitor the real-time status of Oil wells.

OFS in a press release stated that it’s AcoustiSens optical fiber, when coupled via sensing cables to commercially available DAS systems, enables significant improvements in Acoustic Signal to Noise Ratio (ASNR) through dramatic gains in the Optical Signal to Noise Ratio (OSNR) of the fiber.

AcoustiSens fiber is splice-compatible with the commercially available ITU-T G.652.D telecom standard fibers.

OFS Official Statements

Mike Hines, Market Manager
“OFS recognizes the value of DAS and sees a need for significant improvements in how optical waveguides support this problem-solving technology. AcoustiSens helps by meeting the challenge of greatly increasing Rayleigh backscatter while maintaining low attenuation, thereby improving OSNR within the fiber. This translates to dramatic improvements in DAS ASNR at the systems level”.

Heather Dunn, General Manager
“The OFS specialty team is uniquely positioned to support the development of next-generation DAS systems with AcoustiSens as an enabling component. With decades of experience in special optical fiber designs, enhanced coatings systems, and cabling to support markets well beyond the telecom space, we’re marshaling our knowledge and experience to provide real value for the DAS arena.”


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