About: http://webisa.webdatacommons.org/98445612

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	When the light source 202 is a source of coherent light such as a laser, the photons emitted along paths 204 and 206 are coherent in that they are in phase with one another along the wavefront of the light.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es