# Judd–Ofelt theory

> theory describing the intensity of electron transitions within rare earth ions

**Wikidata**: [Q21505791](https://www.wikidata.org/wiki/Q21505791)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Judd–Ofelt_theory)  
**Source**: https://4ort.xyz/entity/judd-ofelt-theory