# optical pumping

> method of population inversion

**Wikidata**: [Q2027473](https://www.wikidata.org/wiki/Q2027473)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Optical_pumping)  
**Source**: https://4ort.xyz/entity/optical-pumping


## References

1. Nuovo soggettario
2. IdRef
3. Freebase Data Dumps. 2013
4. Faceted Application of Subject Terminology
5. National Library of Israel Names and Subjects Authority File
6. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)