| http://www.w3.org/ns/prov#value | - A scanned beam imager, comprising: (a) a photoluminescent light source comprising: (i) an excitation light source operable to emit light at a primary wavelength; and (ii) a target optically coupled to the excitation light source, the target including a photoluminescent material having a characteristic to emit light at a secondary wavelength in response to absorbing the light at the primary wavelen
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