About: http://webisa.webdatacommons.org/324418536

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 of the three crystals is electro-optic, such as lithium niobate or lithium tantalate, with a modulating voltage applied to it to make synchronous detection possible.
http://www.w3.org/ns/prov#wasQuotedFrom	google.de