About: http://webisa.webdatacommons.org/401068291

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	The resonant fibers 301 and 302 are doped with a material such as neodymium or erbium as is known in the laser art.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com