About: http://webisa.webdatacommons.org/127280712

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	A principal characteristic of a VCSEL is that it emits beams vertically, i.e. in a direction normal to the P-N junction and the surface of the semi-conductor substrate on which it is fabricated.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com