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Laser physics

Course Description: Emission and absorption of light. Einstein's equations. Population inversion. Gain coefficient. Optical resonators. Laser modes. Solid-state lasers. Semiconductor lasers. Gas lasers. Dye lasers. Free-electron laser and some modern laser types. Laser beam properties. Laser spectral line width. Beam divergence. Brightness. Laser beam focusing. Medical, industrial, military, and other applications.
Credits: 2
Prerequisites: PHYS 350
Objectives of the course :

It aims to identify how laser beams are obtained, their different properties compared to ordinary light, types of lasers, and their various applications in all fields of contemporary life.

Course outputs :

At the end of the course, the student should be able to do the following:
Understanding the difference between ordinary light and laser light
2- Understanding the basic concept of obtaining a laser, its properties, and how to control its intensity.
3. Understanding different types and modes of lasers
4. Understanding the mutation/transformation that lasers have caused in industrial, medical, and military applications.

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  • Last updated: 2026-04-21

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