About: http://webisa.webdatacommons.org/259903097

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	where a=core radius, ?? is the wavelength, n14 and n16 are the core and cladding indices of refraction, respectively, and 2.405 is a constant whose value is the 0th order Bessel function at the first root.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com