About: http://webisa.webdatacommons.org/34886252

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	This invention relates to optical wave propagation systems and devices utilizing electro-optical devices, and more particularly to grating assisted devices for filtering, coupling and other functions.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com