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Complex permittivity measurements at Ka-Band using rectangular dielectric waveguide

By Z. Abbas, R.D. Pollard and R.W. Kelsall


The rectangular dielectric waveguide (RDWG) technique\ud has been developed for the determination of the dielectric\ud constant of materials from effective refractive index measurements in the Q andWbands. This paper describes the use of an optimization method in conjunction with the RDWG technique for the determination of both the dielectric constant and loss tangent of materials at Ka-Band. The effect of the uncertainty in the measured\ud sample thickness is presented

Year: 2001
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