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Electromagnetic wave propagation in dispersive and complex material with time domain techniques

Publiceringsår: 2000
Språk: Engelska
Sidor: 38
Publikation/Tidskrift/Serie: Technical Report LUTEDX/(TEAT-7086)/1-38/(2000)
Dokumenttyp: Rapport
Ytterligare information: Published version: Scattering; Scattering and Inverse Scattering in Pure and Applied Science, Eds. Roy Pike and Pierre Sabatier, pp. 277-294, Academic Press, London, 2002.


In this paper a time domain formulation of the first and second precursor in
a dispersive materials is reviewed. These precursors are determined by the
susceptibility kernel of the medium, which characterizes the medium in a time
domain formulation. The propagator operators of the fields are corner stones
in the formulation. These operators are then approximated by a pertinent
factorization procedure that defines to the first and second precursors of the
medium. Wave propagation in a biisotropic medium is also treated and the
early time behavior of a transient signal is addressed. Aseries of numerical
examples illustrates the theory.



  • Technology and Engineering


  • Electromagnetic theory

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