期刊
APPLIED PHYSICS LETTERS
卷 99, 期 14, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3646466
关键词
heat radiation; magnetic resonance; metamaterials; polaritons; radiative transfer
In this letter, we investigate the penetration depth in near-field radiative heat transfer between metamaterials when surface polaritons are excited at both electrical and magnetic resonances. The analyses show that based on the optical properties of the metamaterial, two different penetration depths can be defined corresponding to electrical and magnetic resonances. Depending upon the scattering rate of the metamaterial, it is possible to selectively enhance or reduce the penetration depth of near-field thermal radiation at electric and magnetic resonances. The results obtained from this study will benefit applications of metamaterials in near-field energy harvesting. (C) 2011 American Institute of Physics. [doi:10.1063/1.3646466]
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