About: http://webisa.webdatacommons.org/402437922

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	One reason for rotating the prism is to prevent any portion of the beam from being reflected from the first surface such that the portion passes as output without ever having passed through the power amplifier.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au