# High sensitivity miniaturized multi-pass absorption enhanced differential Helmholtz photoacoustic gas sensor

> Research article (Infrared Physics & Technology, 2024) · cited 12× · AI/ML

**Wikidata**: [openalex:W4390640151](https://www.wikidata.org/wiki/openalex:W4390640151)  
**Source**: https://4ort.xyz/entity/high-sensitivity-miniaturized-multi-pass-absorption-enhanced-differential-helmholtz-photoacoustic-gas-sensor