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Permittivity measurements at microwave frequencies using Epsilon-Ear-Zero (ENZ) tunnel structure
Humberto Lobato Morales
ALONSO CORONA CHAVEZ
JOSE LUIS OLVERA CERVANTES
JUAN MARTINEZ BRITO
Acceso Abierto
Atribución-NoComercial-SinDerivadas
Cavity perturbation methods
epsilon-near-zero (ENZ)
Permittivity measurements
substrate integrated waveguide (SIW)
A planar epsilon-near-zero (ENZ) tunnel structure implemented on substrate integrated waveguide (SIW) technology is used to evaluate the complex dielectric permittivity of various materials. Design, optimization, and fabrication of the ENZ tunnel structure are explained. Simulations and measurements on various dielectric samples using the cavity perturbation technique of the proposed structure are presented. Measured values of the permittivity are in good agreement with standard values. Sensitivity analyses are performed on the ENZ structure and the conventional SIW cavity techniques. The proposed structure has very high sensitivity, which yields more accurate results when compared to other techniques, such as perturbation of conventional cavities.
IEEE
2011
Artículo
Inglés
Estudiantes
Investigadores
Público en general
Lobato-Morales, H., et al., (2011). Permittivity measurements at microwave frequencies using Epsilon-Ear-Zero (ENZ) tunnel structure, IEEE Transactions on Microwave Theory and Techniques, Vol. 59 (7): 1863-1868
ELECTRÓNICA
Versión aceptada
acceptedVersion - Versión aceptada
Aparece en las colecciones: Artículos de Electrónica

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