An animation showing the 3D image of the submerged object recreated using reflected ultrasound waves. (Image credit: Aidan Fitzpatrick)
An animation showing the 3D image of the submerged object recreated using reflected ultrasound waves. (Image credit: Aidan Fitzpatrick) The experimental Photoacoustic Airborne Sonar System setup in the lab (left). A Stanford "S" submerged beneath the water (middle) is reconstructed in 3D using reflected ultrasound waves (right). (Image credit: Aidan Fitzpatrick) The "Photoacoustic Airborne Sonar System" could be installed beneath drones to enable aerial underwater surveys and high-resolution mapping of the deep ocean. Stanford University engineers have developed an airborne method for imaging underwater objects by combining light and sound to break through the seemingly impassable barrier at the interface of air and water. Go to the web site to 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 .
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