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Master's Dissertation
DOI
10.11606/D.54.1983.tde-25052015-172440
Document
Author
Full name
Marco Antonio Alves da Silva
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 1983
Supervisor
Title in Portuguese
Propagação da luz em meios não lineares de dois níveis com estado excitado degenerado
Keywords in Portuguese
Não disponível
Abstract in Portuguese
Estudamos nesta dissertação, a propagação auto-transparente de um pulso luminoso num meio de átomos de dois níveis cujos estados excitados possuem a degenerescência característica do momentum angular l=1. O problema é abordado através de equações auto-consistentes, na aproximação semiclássica, escritos em termos do campo elétrico e dos valores médios de grandezas fisicamente relevantes que descrevem o estado do meio material. Obtemos soluções auto-transparentes elipticamente polarizados tanto para o caso em que a largura de linha é desprezível como para o caso onde ela é devido a um alargamento do tipo inhomogêneo
Title in English
Not available
Keywords in English
Not available
Abstract in English
We study in this dissertation the propagation of a self-transparent light pulse in a medium of two level atoms whose excited states have the typical degeneracy of the l=1 angular momentum. The problem is discussed in the semi classical approximation with the help of self-consistent equations written in terms of the electrical field and the mean values of relevant physical quantities which describe the state of the medium. We obtain elliptically polarized self-transparent solutions for both cases of negligible line-width and when the line-width is due to inhomogeneous broadening.
 
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Publishing Date
2015-06-12
 
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