# Two Degree-of-Freedom Fiber-Coupled Heterodyne Grating Interferometer with Milli-Radian Operating Range of Rotation

> Research article (Sensors, 2019) · cited 23× · AI/ML

**Wikidata**: [openalex:W2962789842](https://www.wikidata.org/wiki/openalex:W2962789842)  
**Source**: https://4ort.xyz/entity/two-degree-of-freedom-fiber-coupled-heterodyne-grating-interferometer-with-milli-radian-operating-range-of-rotation