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THERMAL RADIATION REVISITED IN THE NEAR FIELD

DOI: 10.1615/ICHMT.2007.RadTransfProc.240
10 pages

Jean-Jacques Greffet
Laboratoire d'Energétique Moléculaire et Macroscopique, Combustion, CNRS UPR 288, Ecole Centrale Paris, Grande Voie des Vignes, F-92295 Châtenay-Malabry cedex, France

Pierre-Olivier Chapuis
Université de Lyon, CNRS, INSA-Lyon, UCBL, CETHIL, UMR5008,Laboratoire d'Energetique Moleculaire et Macroscopique, Combustion, CNRS UPR 288, Ecole Centrale Paris

Remi Carminati
Laboratoire d'Énergétique Moléculaire et Macroscopique, Combustion École Centrale Paris, 92295 Châtenay-Malabry Cedex, France

M. Laroche
Laboratoire d'Energétique Moléculaire et Macroscopique, Combustion; Ecole Centrale Paris, Centre National de la Recherche Scientifique, 92295 Chatenay-Malabry Cedex, France

Francois Marquier
Laboratoire d'Energétique Moléculaire et Macroscopique, Combustion; Ecole Centrale Paris, Centre National de la Recherche Scientifique, 92295 Chatenay-Malabry Cedex, France

Sebastian Volz
LIMMS/CNRS-IIS(UMI2820), Institute of Industrial Science, University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505 Japan; Laboratoire d'Energétique Moléculaire et Macroscopique, Combustion, UPR CNRS 288, CentraleSupélec, Université Paris-Saclay, Bat. Eiffel, 3, rue Joliot Curie, 91192 Gif-sur-Yvette cedex - France

C. Henkel
Institut fur Physik, Universität Potsdam, Am Neuen Palais 10, 14469 Potsdam, Germany

Аннотация

Thermal radiation is the radiation emitted by a body at temperature T. Radiative heat transfer between two bodies is described by emission and absorption of photons. If one studies the electromagnetic field in the close vicinity of a surface, the usual theory for radiative heat transfer breaks down. It does not allow to explain the large density of radiative energy within nanometers of the interface. It does not explain the enhancement of the flux between two particles or two interfaces separated by a few nanometers. The purpose of this paper is to give a short review of radiative heat transfer at nanoscale and to serve as a guide in the literature. The first part of the paper is devoted to the description of the energy density close to an interface. The second part of the paper describes the possibility of producing so-called coherent thermal sources which are surfaces that emit radiation in a very well-defined direction. The third part of the paper addresses the radiative heat transfer at nanometer scale.

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