About: http://webisa.webdatacommons.org/154778241

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 use of such collimators, polarizers, filters, and other optical elements are well known to those skilled in the optical sciences, and are not described herein.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com