About: http://webisa.webdatacommons.org/410437079

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	In principle, as in the case of a single optical cavity, the region of interaction between the several laser beams and the feedback grating may be, in whole or in part, in media other than optical fibers.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com