# A fast autofocus method based on virtual differential optical path in digital holography: Theory and applications

> Research article (Optics and Lasers in Engineering, 2019) · cited 25× · AI/ML

**Wikidata**: [openalex:W2937147258](https://www.wikidata.org/wiki/openalex:W2937147258)  
**Source**: https://4ort.xyz/entity/a-fast-autofocus-method-based-on-virtual-differential-optical-path-in-digital-holography-theory-and-applications