# Free-space active polarimetric imager operating at 155  μm by orthogonality breaking sensing

> Research article (Optics Letters, 2017) · cited 12× · AI/ML

**Wikidata**: [openalex:W2584413306](https://www.wikidata.org/wiki/openalex:W2584413306)  
**Source**: https://4ort.xyz/entity/free-space-active-polarimetric-imager-operating-at-155-m-by-orthogonality-breaking-sensing