In this lesson, we will learn how to describe the components of a laser and how lasers produce coherent light.
Q1:
Which of the following statements is the correct definition of population inversion?
Q2:
In order for a laser to produce laser light, the number of atoms in the gain medium in excited states must be greater than the number of atoms in unexcited states. What is the term for this phenomenon?
Q3:
Which of the following statements correctly describes the stimulated emission of photons from excited atoms?
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