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Improvement in open-resonator permittivity measurement

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3 Author(s)
Cullen, A.L. ; University College London, Department of Electronic & Electrical Engineering, London, UK ; Nagenthiram, P. ; Williams, A.D.

The accuracy of permittivity measurement using an open resonator has been studied. The error in the determination of permittivity arising from the imperfection of beam-wave theory is estimated. It is further shown that, by an improved method of analysing the experimental results, the effect of the imperfection in the theory is reduced and a great improvement in accuracy can be obtained.

Published in:

Electronics Letters  (Volume:8 ,  Issue: 23 )