About: http://webisa.webdatacommons.org/277458222

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	On the other hand, a refractive index of the light reflecting layer 609 provided to portions other than the groove portion is smaller than refractive indexes of the p-second cladding layer 608 and the buried layer 612.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com