About: http://webisa.webdatacommons.org/447874473

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	In laser diodes, colors such as green are typically achieved by frequency doubling, a technique which limits the efficiency and wavelengths that can be attained.
http://www.w3.org/ns/prov#wasQuotedFrom	sys-con.com