Optical microscope
optical microscope
See under microscope.
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noun, Physics. 1. . [ley-zer] /ˈleɪ zər/ noun, Physics. 1. a device that produces a nearly parallel, nearly monochromatic, and coherent beam of light by exciting atoms to a higher energy level and causing them to radiate their energy in phase. /ˈleɪzə/ noun 1. a source of high-intensity optical, infrared, or ultraviolet radiation produced as […]
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noun, Physics, Optics. 1. a method for increasing the number of atoms or molecules occupying higher energy levels by irradiating them with light of the proper frequencies to raise them to those levels.