About: http://webisa.webdatacommons.org/312689662

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	The optical source may be a broad band source or light, or a narrow band source such as a laser.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com