About: http://webisa.webdatacommons.org/6409546

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	An ???optical gradient field??? is an optical pattern having a variation in one or more parameters including intensity, wavelength or frequency, phase, polarization or other parameters relating to the optical energy.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au