Masers and Lasers

What are the necessary preconditions for the achievement of amplification by stimulated emission of radiation?

Describe the ammonia maser and the things which were learned from it.

How is populaton inversion achieved in the ruby laser? What are the limitations of solid state lasers like the ruby laser?

Describe the interactions which lead to helium-neon laser action.

Describe the properties of laser light. What property makes holography possible?

Homework set #13

* Laser concepts

* Types of lasers

* Stimulated emission

* Population inversion

* Characteristics of laser light

* Applications of lasers

* Holography concepts

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