Silicon-based square-hole arrays for dual-band nonreciprocal thermal radiation

IF 5 2区工程技术 Q1 ENGINEERING, MECHANICAL

International Journal of Heat and Mass Transfer Pub Date : 2024-12-02 DOI:10.1016/j.ijheatmasstransfer.2024.126509

Jiahao Li , Bo Wang

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引用次数: 0

Abstract

Nonreciprocal thermal radiation has many applications in energy harvesting, military camouflage, and other fields. However, in the past, most nonreciprocal devices operated under single polarization, which undoubtedly limited the development of the nonreciprocal thermal radiation. In addition, previous research has focused on single-band nonreciprocal radiation. However, there is little study on dual-band nonreciprocal thermal radiation. We investigate a dual-band nonreciprocal radiation device under dual-polarization, which is composed of a metal layer, magneto-optical layer, and silicon-based square-hole arrays in two-dimensional form. The device can achieve dual-band nonreciprocal radiation at wavelengths of 15.945 μm and 16.475 μm under TE polarization. Under TM polarization, dual-band nonreciprocal radiation can be achieved at wavelengths of 13.956 μm and 14.352 μm. And the electromagnetic field distribution can explain potential physical mechanisms. It indicates that nonreciprocal radiation can be maintained well within a certain range of structural parameters. This work can provide new directions for the study of frequency selective detectors.

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来源期刊

International Journal of Heat and Mass Transfer 工程技术-工程：机械

CiteScore

10.30

自引率

13.50%

发文量

1319

审稿时长

41 days

期刊介绍： International Journal of Heat and Mass Transfer is the vehicle for the exchange of basic ideas in heat and mass transfer between research workers and engineers throughout the world. It focuses on both analytical and experimental research, with an emphasis on contributions which increase the basic understanding of transfer processes and their application to engineering problems. Topics include: -New methods of measuring and/or correlating transport-property data -Energy engineering -Environmental applications of heat and/or mass transfer