About: http://webisa.webdatacommons.org/315744438

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	Additionally, the invention is a system for modifying the angular spread of an incoherent or partially coherent beam of light.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au