About: http://webisa.webdatacommons.org/104678008

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	Each of the intermediate layer 4 and the outer layer 5 has an optical thickness of n??/4, wherein n is an odd integer (preferably 1) and is a wavelength of light in the visible region of the spectrum i.e. from about 400 nm to 750 nm.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com