About: http://webisa.webdatacommons.org/264271442

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	Optical switches may be for example filters having a variable absorption coefficient.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es