The conditions for maximum energy absorption, and equations for the selectivity of a multilayer interference absorber with a working layer of arbitrary thickness are obtained. It is shown that to synthesize a multilayer interference absorber with a specified selectivity (absorption band) one must choose the multilayer dielectric mirrors which surround the working layer with the required dispersion of the phase of the reflection coefficient, or vary the thickness of the working layer.
Department of Mathematics and Department of Microwave Radio Physics
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