About: refractive element

Premodifier: refractive
Head noun: element

Same concepts

Broader concepts

label	provenance	confidence
additional optical element	isap:437868944	0.837742
specific wavelength	isap:242137160	0.652643
optical element	isap:437869550	0.395914

Narrower concepts

label	provenance	confidence
fresnel lens	isap:5843483	0.655570
lens	isap:5843423	0.371016
prism	isap:229558734	0.369257