Subwavelength beam focusing using a ball-shaped lens for ultrasound imaging

13 Jan 2020 Santos Victor H. S. Lima Everton B. Baggio Andre L. Lopes Jose H. Silva Glauber T.

Ultrasonic superresolution images can be generated by means of (super) focusing acoustic beams to subwavelength dimensions or using algorithm-based methods. Here, we demonstrate that ultrasonic pulses which are superfocused by a ball-shaped lens can be used to produce superresolution images... (read more)

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  • APPLIED PHYSICS