Laser physics is concerned with various physical aspects of the operation of lasers, such as
- the physics of laser gain media (e.g. microscopic effects relevant for the laser performance)
- the temporal evolution of light in the laser resonator, e.g. the build-up of laser power in Q-switched operation or the formation of ultrashort pulses via mode locking (→ pulse propagation modeling), or the origins of laser noise
- the sensitivity of laser resonators against thermal lensing effects or misalignment
A comprehensive knowledge of laser physics in addition to optics is an indispensable requirement for good laser design and laser development. For example, an understanding of laser dynamics is important for designing Q-switched lasers. Similarly, a deep knowledge of the properties of optical resonators, and of the effects which typically affect resonator modes of lasers, is essential for resonator design. Also, the development of laser sources for ultrashort pulses requires the understanding of the fundamental properties of short optical pulses and their interaction with various components in a laser.
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|||O. Svelto, Principles of Lasers, Plenum Press, New York (1998)|
|||F. Träger (editor), Handbook of Lasers and Optics, Springer, Berlin (2007)|
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