Combining Light And Sound To See Underwater

Engineers from Stanford University have developed a method for imaging underwater objects. By combining light and sound, this method, called the Photoacoustic Airborne Sonar System (PASS), could be an alternative method to sonar systems.

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The researchers envision their hybrid optical-acoustic system one day being used to conduct drone-based biological marine surveys from the air, carry out large-scale aerial searches of sunken ships and planes, and map the ocean depths with a similar speed and level of detail as Earth’s landscapes. Their “Photoacoustic Airborne Sonar System” is detailed in a recent study published in the journal IEEE Access.

Learn more about this system over at EurekAlert.


(Image Credit: Arbabian Lab/ Kindea Labs/ EurekAlert)

Source: neatorama

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