# Birefringent transmissive metalens with an ultradeep depth of focus and high resolution

> Research article (Photonics Research, 2021) · cited 20× · AI/ML

**Wikidata**: [openalex:W3119734404](https://www.wikidata.org/wiki/openalex:W3119734404)  
**Source**: https://4ort.xyz/entity/birefringent-transmissive-metalens-with-an-ultradeep-depth-of-focus-and-high-resolution