A Short Introduction to Laser Physics

Part of the Graduate Texts in Physics book series (GTP)


In this chapter, we start by reviewing Einstein’s derivation of Planck’s radiation law, whereby the Einstein coefficients for stimulated and spontaneous radiative processes are introduced. Generalizing to the case of non-equilibrium, conditions for laser activity are derived. After a brief discussion of possible realizations of the laser principle, we discuss the generation of short laser pulses by the superposition of a fundamental and side-band frequencies. The carrier envelope phase is then discussed as well as the characterization of laser pulses by windowed Fourier transforms that concludes this chapter.


Spontaneous Emission Photon Number Free Electron Laser Frequency Comb Carrier Envelope Phase 
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Copyright information

© Springer International Publishing Switzerland 2013

Authors and Affiliations

  1. 1.Institut für Theoretische PhysikTechnische Universität DresdenDresdenGermany

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