Microwave-power absorption by rectangular-shaped conductive dielectric samples in stripline [biological materials appl.]

A general method of calculating the power absorbed by a rectangular sample of material with the microwave field of a stripline is developed. Equations which account for the sample's disturbance of the otherwise uniform plane-wave field of the stripline are given, and restrictions on sample size for best accuracy are stated in terms of stripline dimensions. Power absorption measurements are made on a 0.775×1.04×1.7-cm sample of seawater over the 1-2-GHz range and compared with calculations made using the equations developed

Duke Scholars

Author William T. Joines Electrical and Computer Engineering