# Subdiffraction-limited second harmonic photoacoustic microscopy based on nonlinear thermal diffusion

> Research article (Optics Letters, 2018) · cited 24× · AI/ML

**Wikidata**: [openalex:W2799636803](https://www.wikidata.org/wiki/openalex:W2799636803)  
**Source**: https://4ort.xyz/entity/subdiffraction-limited-second-harmonic-photoacoustic-microscopy-based-on-nonlinear-thermal-diffusion