laser

Light amplification by stimulated emission of radiation (LASER). Laser light is highly monochromatic, coherent, and intense. It has high directionality and can travel as a narrow beam. It is useful for applications such as confocal microscopy and targeted photostimulation.

See also: confocal microscopy, photostimulation, fluorescence lifetime imaging microscopy, light source

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Laser Safety

Increased use of lasers demands attention to safety features in optical microscopy.