Magnetic field pattern: What in the world is laser? #Yoda

Physics, philosophy and phantasmagoria.: What in the world is laser? (Part 1 of 3)

The word laser stands for Light Amplification through the Stimulated Emission of Radiation. Originally, ‘laser’ is a term for the light emission mechanism that produces a beam of laser light, or a laser beam.  Today, however, ‘laser’ is used to denote devices that use the said mechanism to amplify light via stimulated emission of radiation. 

Yoda and a beam of highly coherent, often monochromatic electromagnetic waves.

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