About: http://webisa.webdatacommons.org/252240490

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	Therefore, the optical characteristics such as wavelength dispersion, a group delay, etc. are sometimes degraded because the shape of the mirror differs from the original shape.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com