# A sensitive methane sensor of a ppt detection level using a mid-infrared interband cascade laser and a long-path multipass cell

> Research article (Sensors and Actuators B Chemical, 2021) · cited 59× · AI/ML

**Wikidata**: [openalex:W3129561984](https://www.wikidata.org/wiki/openalex:W3129561984)  
**Source**: https://4ort.xyz/entity/a-sensitive-methane-sensor-of-a-ppt-detection-level-using-a-mid-infrared-interband-cascade-laser-and-a-long-path-multipa