# Helium-4 magnetometers for room-temperature biomedical imaging: toward collective operation and photon-noise limited sensitivity

> Research article (Optics Express, 2021) · cited 68× · AI/ML

**Wikidata**: [openalex:W3136666376](https://www.wikidata.org/wiki/openalex:W3136666376)  
**Source**: https://4ort.xyz/entity/helium-4-magnetometers-for-room-temperature-biomedical-imaging-toward-collective-operation-and-photon-noise-limited-sens