About: http://webisa.webdatacommons.org/454933744

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	0 denote the wave-vector magnitudes of the excited SPP and incident light, respectively, ?? is the angle of light incidence in the plane perpendicular to the ridges, n is an integer, and G = 2??/??? is the grating momentum [Fig. 1(b)].
http://www.w3.org/ns/prov#wasQuotedFrom	opticsinfobase.org