About: http://webisa.webdatacommons.org/240125761

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	FIG. 4a is a sectional view showing still another embodiment of the present invention, and FIG. 4b is a diagram showing its refractive index distribution.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk