About: http://webisa.webdatacommons.org/300145024

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	Also, in the optical fiber according to the present invention, the radius of the first annular region 102 is set to 1.5 ??m or more in particular in order to keep the optical power from concentrating near the center axis.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com