Breaking The Acoustic Resolution Limit With A Metamaterial Magnifying Lens
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Qiang is a research scientist and professor at Southeast University, China.

                       

Breaking The Acoustic Resolution Limit With A Metamaterial Magnifying Lens

The acoustic microscope is a critical component for a variety of applications including quality control, medical imaging, biomedical sensors, and focused ultrasound surgery, owing to its ability to distinguish objects separated by a small distance. The notion of an acoustic microscope can be traced back to 1936 when Sokolov proposed a device to provide magnified views of a structure by high-frequency sound waves. However, the implementation was handicapped by contemporary technological restrictions. Despite the rapid development in this area, the...

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