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Fundamentals of Lasers

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Fundamentals of Lasers

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Lasers produce highly coherent, directional beams of monochromatic light. The basic structure of any laser is based on an active medium (either a gas or semiconductor) contained between multiple reflectors. A laser's reflectors contain light by oscillating it through a medium repeatedly allowing the energy to coherently build up with each pass using a process called stimulated emission. Laser radiation escapes due to a partially reflecting mirror in the assembly. This light can be used for a variety of applications including medical equipment, entertainment projectors, sensing for dynamic measurements, laser manufacturing, positioning, and machine vision.

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