New Sensor Detects Direction of Sound Under Water

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Using optical fibers researchers at the Georgia Institute of Technology have created a sensor that detects the direction from which a sound is coming under wateran important improvement over current technology. Credit: Georgia Institute of Technology
Using optical fibers, researchers at the Georgia Institute of Technology have created a sensor that detects the direction from which a sound is coming under water—an important improvement over current technology. Credit: Georgia Institute of Technology

A new sensor that measures the motion created by sound waves under water could allow the U.S. Navy to develop compact arrays to detect the presence of enemy submarines. These new arrays would detect quiet underwater targets, while also providing unambiguous directional information.


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