# Large object distance and super-resolution graded-index photonic crystal flat lens

> Research article (Optics Express, 2019) · cited 13× · AI/ML

**Wikidata**: [openalex:W2923547852](https://www.wikidata.org/wiki/openalex:W2923547852)  
**Source**: https://4ort.xyz/entity/large-object-distance-and-super-resolution-graded-index-photonic-crystal-flat-lens