About: planar waveguide

Premodifier: planar
Head noun: waveguide

Same concepts
http://dbpedia.org/resource/Waveguide_(optics)

Broader concepts

label	provenance	confidence
waveguide	isap:353323383	0.662489
device	isap:132039489	0.414798

Narrower concepts

label	provenance	confidence
coupler	isap:317167046	0.286093