PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is therefore mandatory to ensure that, at least for a path length which is approximately equal to the coherence length of the laser used, the lengths of fiber are of a structure in which the fiber cores and numerical apertures increase along the optical path from the light source to and including the transmission fiber.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com