About: http://webisa.webdatacommons.org/421900350

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	In one aspect, the background reduction system according to the invention is a confocal optical system for illuminating an object at an intended detection plane and to focus light emanating from the object onto a pinhole.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com