Microwave Thickness Measurement of Lossy Layered Dielectric Slabs using Incoherent Reflectivity
Radiative transfer theory is used to calculate the incoherent effective reflectivity (Γe) for a multilayer lossy dielectric medium backed by a conducting plate. The theoretical results of this formulation are compared with that of the coherent approach. Several test cases are presented to show the characteristics of Γe as a function of thickness, and dielectric constant of the dielectric layers, and frequency. The results can ultimately be used in nondestructive dielectric thickness measurement.
S. Bakhtiari and R. Zoughi, "Microwave Thickness Measurement of Lossy Layered Dielectric Slabs using Incoherent Reflectivity," Research in Nondestructive Evaluation, vol. 2, no. 3, pp. 157-168, Taylor & Francis, Sep 1990.
The definitive version is available at http://dx.doi.org/10.1080/09349849009409495
Electrical and Computer Engineering
Keywords and Phrases
Lossy Dielectric; Composite Testing And Evaluation; Electromagnetic Formulation-Probe Development And Antennas
International Standard Serial Number (ISSN)
Article - Journal
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