About: http://webisa.webdatacommons.org/376549859

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 problem is particularly acute for optical devices that employ optical amplifiers (e.g. lasers), which require "stimulated emission of photons.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au