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The cavity perturbation method for the measurement of the relative dielectric permittivity in the microwave range

S.-B. BALMUS1,* , G.-N. PASCARIU1, F. CREANGA1, I. DUMITRU1, D. D. SANDU1

Affiliation

  1. Faculty of Physics, “Al. I. Cuza” University of Iasi, Romania

Abstract

The cavity (small) perturbation is a very suitable method for the measurement of the dielectric relative permittivity at microwave frequencies. In this paper we give the most important relations of this method, particular relations for rectangular resonant cavities and some experimental results. Also, an analysis of total relative errors and the second order perturbations method are presented..

Keywords

Permitivity, Microwave, Cavity perturbation method.

Submitted at: March 15, 2006
Accepted at: May 18, 2006

Citation

S.-B. BALMUS, G.-N. PASCARIU, F. CREANGA, I. DUMITRU, D. D. SANDU, The cavity perturbation method for the measurement of the relative dielectric permittivity in the microwave range, Journal of Optoelectronics and Advanced Materials Vol. 8, Iss. 3, pp. 971-977 (2006)