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What is Spontaneous Emission in Laser Physics about?
1) Laser light is produced when atoms or molecules in an active medium absorb energy from an external source and become excited, then emit photons through stimulated emission. 2) Three key atomic interactions involved are absorption, spontaneous emission, and stimulated emission. Stimulated emission is responsible for producing the coherent laser beam. 3) For laser action to occur, there must be a population inversion where more atoms are in the excited state than the ground state, allowing for amplifica
- Author
- Kiran Thunuguntla
- Language
- EN