<http://webisa.webdatacommons.org/prov/352352275> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/1574165> . <http://webisa.webdatacommons.org/1574165> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/1574165> <http://www.w3.org/ns/prov#value> "A simple mathematical model, given below, is constructed on the premise that reflected light other than light reflected at a metal surface is quantitatively taken into consideration the device to which the present invention is applied is a multilayer structure with a refractive index difference, so that only one reflection at an interface other than the metal surface can be taken into account that" . <http://webisa.webdatacommons.org/1574165> <http://www.w3.org/ns/prov#wasQuotedFrom> <google.com> .