About: http://webisa.webdatacommons.org/109041166

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	Although the laser in the first embodiment is a semiconductor laser, the other kinds of lasers can be employed so long as the full width at half maximum is narrow and the oscillating wavelength of the laser light is variable.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com