# Infrared photothermal heterodyne imaging: Contrast mechanism and detection limits

> Research article (Journal of Applied Physics, 2020) · cited 72× · AI/ML

**Wikidata**: [openalex:W3019032085](https://www.wikidata.org/wiki/openalex:W3019032085)  
**Source**: https://4ort.xyz/entity/infrared-photothermal-heterodyne-imaging-contrast-mechanism-and-detection-limits