# Distributed Vibration Sensor With Laser Phase-Noise Immunity by Phase-Extraction φ-OTDR

> Research article (Photonic Sensors, 2019) · cited 19× · AI/ML

**Wikidata**: [openalex:W2922875218](https://www.wikidata.org/wiki/openalex:W2922875218)  
**Source**: https://4ort.xyz/entity/distributed-vibration-sensor-with-laser-phase-noise-immunity-by-phase-extraction-otdr