About: http://webisa.webdatacommons.org/425857174

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 diameter of the beam of light emitted from the laser may be modified by a combination of lenses, mirrors, and other conventional optical elements incorporated in the light source.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com