# Acoustic planar antireflective focusing lens with sub-diffraction-limit resolution based on metamaterials

> Research article (Journal of Applied Physics, 2018) · cited 16× · AI/ML

**Wikidata**: [openalex:W2789890268](https://www.wikidata.org/wiki/openalex:W2789890268)  
**Source**: https://4ort.xyz/entity/acoustic-planar-antireflective-focusing-lens-with-sub-diffraction-limit-resolution-based-on-metamaterials