About: http://webisa.webdatacommons.org/455549162

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	But FEL are the only kinds of lasers to use electrons that have been separated from their normal captivity within atoms.
http://www.w3.org/ns/prov#wasQuotedFrom	sciencedaily.com