# Symmetrical illumination based extending depth of field in Fourier ptychographic microscopy

> Research article (Optics Express, 2019) · cited 20× · AI/ML

**Wikidata**: [openalex:W2912215126](https://www.wikidata.org/wiki/openalex:W2912215126)  
**Source**: https://4ort.xyz/entity/symmetrical-illumination-based-extending-depth-of-field-in-fourier-ptychographic-microscopy