# Crystalline optical cavity at 4  K with thermal-noise-limited instability and ultralow drift

> Research article (Optica, 2019) · cited 166× · AI/ML

**Wikidata**: [openalex:W2964327673](https://www.wikidata.org/wiki/openalex:W2964327673)  
**Source**: https://4ort.xyz/entity/crystalline-optical-cavity-at-4-k-with-thermal-noise-limited-instability-and-ultralow-drift