About: http://webisa.webdatacommons.org/90241843

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	??/(n1???k1), where ?? is a wavelength of the light beams, and n1 and k1 are a refractive index and an extinction coefficient, respectively, of the light absorption layer at the wavelength ??,
http://www.w3.org/ns/prov#wasQuotedFrom	google.com