Rami Arieli: "The Laser Adventure" Chapter 1.1 page 1

1.1 Electromagnetic Radiation
The electromagnetic radiation out of the laser can be in any part of the spectrum, including the visible spectrum, the Ultra-Violet (UV) spectrum, the Infra-Red (IR) spectrum, and beyond.
In the following pages the properties of electromagnetic radiation is briefly described:
1.1.1 Electromagnetic Radiation in vacuum.
1.1.2 Electromagnetic Radiation in Matter.

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