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Turning undersea cables into a global monitoring system for seismic and environmental hazards

EU researchers are exploring how undersea communication cables can double-up as environmental and seismic sensors—a potential game-changer for early warning systems. Subscribe to our newsletter for ...
Phys.org

Existing fiber optic cables can monitor whales

The illustration shows how DAS works. An interrogator (a) sends a laser pulse from a ground station through the fiber optic cable.The cable has defects (b) which underwater sounds slightly ...
Morningstar

VIAVI Launches Industry-Leading True-Phase DAS Fiber Sensing Interrogator with AI/ML at the Edge to Enable Real-Time Infrastructure Monitoring

CHANDLER, Ariz., March 10, 2026 /PRNewswire/ -- VIAVI Solutions Inc. (VIAVI) (NASDAQ: VIAV) has announced the launch of a new next-generation fiber test head for distributed acoustic sensing (FTH-DAS) ...
Tech Times

Seabed Cables Detect Silent Whales by Reading Pressure Waves, Not Calls

Fiber-optic cables detect silent whales by reading the faint pressure wave a swimming body pushes through the water, a 2026 ...