# Design of a high-sensitivity differential Helmholtz photoacoustic cell and its application in methane detection

> Research article (Optics Express, 2022) · cited 46× · AI/ML

**Wikidata**: [openalex:W4284894760](https://www.wikidata.org/wiki/openalex:W4284894760)  
**Source**: https://4ort.xyz/entity/design-of-a-high-sensitivity-differential-helmholtz-photoacoustic-cell-and-its-application-in-methane-detection