KnowraNegative-index metamaterialLinked fromLinked fromThe 2 pages that link to Negative-index metamaterial, each with the reason it gives.All 2Broader topic 2Refractive indexBroader topic: It reverses familiar refraction behavior while requiring a structured-medium interpretation.Photonic metamaterialBroader topic: It is a prominent example of optical behavior engineered through subwavelength structure.