Conjugate-impedance matched metamaterials for super-Planckian radiative heat transfer

Stanislav I. Maslovski*, Constantin R. Simovski, Sergei A. Tretyakov

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2 Citations (Scopus)
125 Downloads (Pure)


A problem of maximization of the radiative heat transfer (at a given wavelength) between a body and its environment is considered theoretically. It is shown that the spectral density of the radiative heat flux is maximized under the formulated conjugate impedance matching condition, in which case the spectral density of radiated power can exceed the black body limit, resulting in a super-Planckian heat exchange at characteristic distances significantly greater than the wavelength. It is demonstrated that the material parameters of the optimal emitters can be deduced from the known material parameters of the environment and represented by closed-form relations, thus, enabling a way for physical realization of such far-field super-Planckian emitters.

Original languageEnglish
Title of host publicationMetamaterials X
EditorsAllan D. Boardman, Nigel P. Johnson, Kevin Macdonald, Ekmel Ozbay
Number of pages8
ISBN (Electronic)9781510601284
Publication statusPublished - 2016
MoE publication typeA4 Article in a conference publication
EventMetamaterials X - Brussels, Belgium
Duration: 4 Apr 20167 Apr 2016

Publication series

NameProceedings of SPIE
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X


ConferenceMetamaterials X


  • black body
  • metamaterials
  • super-Planckian radiative heat transfer
  • thermal emission

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