# axicon

> a special lens with a conical surface

**Wikidata**: [Q225817](https://www.wikidata.org/wiki/Q225817)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Axicon)  
**Source**: https://4ort.xyz/entity/axicon


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)