LASER Basics:

Absorption, Spontaneous & Stimulated Emission process explained along with the basic concepts of Transition Probabilities in all in terms of density of radiation and Einstein Coefficients. Useful to clear understanding about the 3 different processes of LASER. As you know the absorption – emissions are two important process in laser action, where emission is divided in two categories one is spontaneous emission while the other is stimulated emission.

Absorption – Emissions

These three process Absorption, Spontaneous & Stimulated Emission are explained in this video keeping in mind all the basics of LASER (Light Amplification by Stimulated Emission of Radiation).


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