When an electric field is applied to a dielectric medium (of overall neutral electric charge), a separation of bound charges is induced, as illustrated in Fig. 2.1. This separation of charge results in a collection of induced dipole moments μ(~), which, as designated, may be rapidly oscillating if the applied field is also oscillating. The tilde symbol denotes a quantity which is varying rapidly with time.
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© 2007 Springer-Verlag Berlin Heidelberg
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(2007). Basic Concepts of Nonlinear Optics. In: Optical Nonlinearities in Chalcogenide Glasses and their Applications. Springer Series in Optical Sciences, vol 135. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-71068-4_2
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DOI: https://doi.org/10.1007/978-3-540-71068-4_2
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