About: http://webisa.webdatacommons.org/216953744

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	Coupling the illumination radiation with the substrate may be accomplished by any of a variety of mechanisms, including simple lens optics, fiber optics or the like, that direct the illumination to the gratings.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com