Physics, asked by rahulkumarsingh09693, 1 year ago

concept of non limear polarization

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Answered by Anonymous
1
When light propagates in a transparent medium, its electric field causes some amount of electric polarization in the medium, i.e. some density of electric dipole moment. (This must not be confused with the polarization of the light field, which is the direction of its electric field.) That polarization propagates together with the electromagnetic field in the form of a polarization wave. Whereas at low light intensities the electric polarization is proportional to the electric field strength, nonlinear contributions become important at high optical intensities, as they can e.g. be produced with lasers.


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