A Photoacoustic Airborne Sonar System
Offered By: Paul G. Allen School via YouTube
Course Description
Overview
Explore a groundbreaking underwater imaging technology in this research seminar on the Photoacoustic Airborne Sonar System (PASS). Discover how PASS bridges the gap between electromagnetic imaging in air and sonar imaging in water, potentially revolutionizing large-scale underwater mapping. Learn about the system's components, including laser-induced photoacoustic effects and high-sensitivity airborne ultrasonic detection. Understand the limitations of current underwater imaging techniques and how PASS aims to overcome them. Delve into the technical aspects of the system, including frequency response, experimental results, and scaling challenges. Gain insights from Stanford University researchers Aidan Fitzpatrick and Ajay Singhvi as they present their work on this innovative technology that could significantly expand our ability to image and map the world's oceans.
Syllabus
Introduction
Applications
Existing imaging modalities
Photoacoustic Airborne Sonar
Laser
Ultrasound Transducers
Frequency Response
Questions
Vibrations
Multiple ultrasound frequencies
Experimental results
Receiver height
Advantages
Scaling
Frequency
Size
Imaging
Challenges
Taught by
Paul G. Allen School
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