Electromagnetic Properties of 3D Printed Conductive Porous Plastics at Extremely High Frequency.

The paper presents theoretical calculations and experimental data on the permittivity of conductive porous acrylonitrile butadiene styrene. It is found that spectrum regions with differential absorption are caused by the volume resonance of electromagnetic waves inside pores and in the matrix material between them. Resonant frequencies with increased differential absorption can be controlled by changing the pore space, dimension, and matrix permittivity. [ABSTRACT FROM AUTHOR]