Laser light

 

Let me explain what laser is in a few words.

The word laser is an acronym for Light Amplification by Stimulated Emission of Radiation. 

Visible light is a mixture of different wavelengths

Laser light is the result of filter one of this wavelengths and boost his intensity by rebooting into a cavity wich  length between the mirrors inside, is a multiple of the  wavelength  in order  to generate constructive interactions. 

The source of the light, the way to increase the intensity, and the materials used make the difference in the numerous  lasers developed.

 

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