About: http://webisa.webdatacommons.org/9276567

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 a preferred embodiment of a tunable filter, it is desirable not to have compliant material such as elastomer in the optical path of the device.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com