About: http://webisa.webdatacommons.org/36368819

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	It is an object of this invention to provide an optical system including a diffraction grating that is relatively compact.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com