About: http://webisa.webdatacommons.org/453837770

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In a further aspect of the invention, the substrate is a waveguide having a first anti-reflection (AR) coated facet and a second opposed AR coated facet on opposed ends of the waveguide.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com