(under subclass 65) Subject matter wherein an endoscopic light source is provided by an optical resonator which utilizes the natural oscillations of atoms or molecules between energy levels to transform an incoherent light into a very narrow, intense beam of coherent electromagnetic radiation in the ultraviolet, visible, or infrared regions of the spectrum.
(1) Note. Laser is an acronym for "Light Amplification by Stimulated Emission of Radiation."
SEE OR SEARCH CLASS
372, Coherent Light Generators, for laser, per se.