acoustic imaging

A sophisticated machine-learning algorithm uses sound to generate images on smartphones and laptops
via University of Glasgow’ A sophisticated machine-learning algorithm uses sound to generate images on smartphones
Gold plasmonic nanostructures shaped like Swiss-crosses can convert laser light into ultrahigh frequency (10GHz) sound waves
Manipulating and Detecting Ultrahigh Frequency Sound Waves

An advance has been achieved towards next generation ultrasonic imaging with potentially 1,000 times higher