# Multi-event waveform-retrieved distributed optical fiber acoustic sensor using dual-pulse heterodyne phase-sensitive OTDR

> Research article (Optics Letters, 2017) · cited 174× · AI/ML

**Wikidata**: [openalex:W2579070857](https://www.wikidata.org/wiki/openalex:W2579070857)  
**Source**: https://4ort.xyz/entity/multi-event-waveform-retrieved-distributed-optical-fiber-acoustic-sensor-using-dual-pulse-heterodyne-phase-sensitive-otd