# Laser source frequency drift compensation in Φ-OTDR systems using multiple probe frequencies

> Research article (Optics Express, 2022) · cited 19× · AI/ML

**Wikidata**: [openalex:W4225322547](https://www.wikidata.org/wiki/openalex:W4225322547)  
**Source**: https://4ort.xyz/entity/laser-source-frequency-drift-compensation-in-otdr-systems-using-multiple-probe-frequencies