# Advances in differential photoacoustic spectroscopy for trace gas detection

> Research article (Microwave and Optical Technology Letters, 2022) · cited 22× · AI/ML

**Wikidata**: [openalex:W4221083464](https://www.wikidata.org/wiki/openalex:W4221083464)  
**Source**: https://4ort.xyz/entity/advances-in-differential-photoacoustic-spectroscopy-for-trace-gas-detection