Multilayer Bolometric Structures for Efficient Wideband Communication Signals Reception

Авторы: Bogatskaya A.V., Klenov N.V., Popov A.M., Schegolev A.E., Titovets P.A., Tereshonok M.V., Yakovlev D.S.
Журнал: Nanomaterials
Том: 14
Номер: 2
Год издания: 2024
Издательство: MDPI
Местоположение издательства: Basel, Switzerland
Номер статьи: 00141
DOI: 10.3390/nano14020141
Аннотация: It is known that the dielectric layer (resonator) located behind the conducting plate of the bolometer system can significantly increase its sensitivity near the resonance frequencies. In this paper, the possibility of receiving broadband electromagnetic signals in a multilayer bolometric meta-material made of alternating conducting (e.g., silicon semiconductor) and dielectric layers is demonstrated both experimentally and numerically. It is shown that such a multilayer structure acts as a lattice of resonators and can significantly increase the width of the frequency band of efficient electromagnetic energy absorption. The parameters of the dielectric and semiconductor layers determine the frequency bands. Numerical modeling of the effect has been carried out under the conditions of our experiment. The numerical results show acceptable qualitative agreement with the experimental data. This study develops the previously proposed technique of resonant absorption of electromagnetic signals in bolometric structures.
Добавил в систему: Попов Александр Михайлович

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