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Título del libro: Proceedings Of The 2015 International Conference On Electromagnetics In Advanced Applications, Iceaa 2015 Título del capítulo: Transmission Spectrum of a Photonic Crystal with Complex Permittivity in THz Range
Photonic crystal; complex permittivity; band structure; bandgap
Resumen:
A photonic crystal is formed by an alternating arrangement of two
dielectric with different permittivity, which are assumed as constant
and with real values. In a linear dielectric media, nonmagnetic,
inhomogeneous with a real permittivity, the harmonic magnetic field
satisfies an eigenvalues equation where the operator over the magnetic
field is linear and hermitian. We can simulate a PC with absorption by
inserting slices with complex permittivity dielectric. In this case the
problem is redefined using a harmonic electric field, for which a
generalized eigenvalues equation is obtained. Taking into account
properties of the electric field is possible to demonstrate that the
operator over the electric field is linear and hermitian. In this work
the characteristics of this operator are determined, which allow us to
treat numerically the problem of the electromagnetic radiation
transmission by a one dimensional photonic crystal in TIIz range.
Entidades citadas de la UNAM:
Fuente:
ISBN: 9781479978069 Editorial: Institute of Electrical and Electronics Engineers Inc.