ADAS – Array Distributed Sensing

The project is part of Region Blekinge and BTH's marine technology initiative.

Distributed Acoustic Sensing (DAS) is a promising technology for measuring sound and vibrations underwater.

By using laser light and fiber optics, DAS can detect light changes caused by vibrations along the fiber, enabling high-resolution and real-time measurements over long distances and thousands of points.

The aim of the project is to adapt DAS technology for underwater environments to monitor physical and infrastructural changes. By integrating existing cable installations, the system can be scaled up using array technology, which means multiple systems working in parallel. The project combines optoelectronics, signal analysis and marine technology to develop new applications for DAS.

Expected results include:

- Development of a robust system adapted to marine conditions that can deliver real-time data and detailed analysis of underwater acoustic phenomena and vibrations.

- Increased understanding of the physical environment and subsurface processes, as well as the stability of underwater infrastructure and environmental changes.

- Specific applications of DAS technology for marine surveillance, underwater infrastructure safety and environmental monitoring.

By maximizing the use of existing fiber optic installations, the project aims to create new research opportunities and practical solutions for monitoring and analyzing underwater environments.