About: http://webisa.webdatacommons.org/4008175

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	According to one broad aspect, the present invention is an optical fiber, comprising a core including SiO2, fluorine, and an alkali metal oxide selected from the group consisting of K, Na, Li, Cs and Rb.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr