# Full control of dual-band vortex beams using a high-efficiency single-layer bi-spectral 2-bit coding metasurface

> Research article (Optics Express, 2020) · cited 51× · AI/ML

**Wikidata**: [openalex:W3024076511](https://www.wikidata.org/wiki/openalex:W3024076511)  
**Source**: https://4ort.xyz/entity/full-control-of-dual-band-vortex-beams-using-a-high-efficiency-single-layer-bi-spectral-2-bit-coding-metasurface