# Ppb-level detection of methane based on an optimized T-type photoacoustic cell and a NIR diode laser

> Research article (Photoacoustics, 2020) · cited 116× · AI/ML

**Wikidata**: [openalex:W3112182649](https://www.wikidata.org/wiki/openalex:W3112182649)  
**Source**: https://4ort.xyz/entity/ppb-level-detection-of-methane-based-on-an-optimized-t-type-photoacoustic-cell-and-a-nir-diode-laser