# Scattered light modulation cancellation method for sub-ppb-level NO_2 detection in a LD-excited QEPAS system

> Research article (Optics Express, 2016) · cited 31× · AI/ML

**Wikidata**: [openalex:W2304857687](https://www.wikidata.org/wiki/openalex:W2304857687)  
**Source**: https://4ort.xyz/entity/scattered-light-modulation-cancellation-method-for-sub-ppb-level-no-2-detection-in-a-ld-excited-qepas-system