About: http://webisa.webdatacommons.org/385751783

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 beam is optically modified, typically by optical elements, such as lenses, mirrors, apertures, etc., to form a beam spot of a certain size at the target distance.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com