# Low-noise and high-sensitivity Φ-OTDR based on an optimized dual-pulse heterodyne detection scheme

> Research article (Applied Optics, 2020) · cited 19× · AI/ML

**Wikidata**: [openalex:W2999570862](https://www.wikidata.org/wiki/openalex:W2999570862)  
**Source**: https://4ort.xyz/entity/low-noise-and-high-sensitivity-otdr-based-on-an-optimized-dual-pulse-heterodyne-detection-scheme