# Subwavelength Focusing Beam and Superresolution Ultrasonic Imaging Using a Core-Shell Lens

> Research article (Physical Review Applied, 2020) · cited 24× · AI/ML

**Wikidata**: [openalex:W3003326106](https://www.wikidata.org/wiki/openalex:W3003326106)  
**Source**: https://4ort.xyz/entity/subwavelength-focusing-beam-and-superresolution-ultrasonic-imaging-using-a-core-shell-lens