# Gradient-index optics

> Science of using a material's refractive index for optical effects

**Wikidata**: [Q1541210](https://www.wikidata.org/wiki/Q1541210)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Gradient-index_optics)  
**Source**: https://4ort.xyz/entity/gradient-index-optics


## References

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