# Super achromatic wide-angle quarter-wave plates using multi-twist retarders

> Research article (Optics Express, 2021) · cited 27× · AI/ML

**Wikidata**: [openalex:W3132452690](https://www.wikidata.org/wiki/openalex:W3132452690)  
**Source**: https://4ort.xyz/entity/super-achromatic-wide-angle-quarter-wave-plates-using-multi-twist-retarders