# Engineering near-field focusing of a microsphere lens with pupil masks

> Research article (Optics Communications, 2016) · cited 42× · AI/ML

**Wikidata**: [openalex:W2296272580](https://www.wikidata.org/wiki/openalex:W2296272580)  
**Source**: https://4ort.xyz/entity/engineering-near-field-focusing-of-a-microsphere-lens-with-pupil-masks