2014/01/16 by Stanislav I. Maslovski, Constantin Simovski, Maslovski, Stanislav I. +2
Engineering · Physics and Astronomy · #Advanced Thermodynamics and Statistical Mechanics #Quantum Electrodynamics and Casimir Effect #Thermal Radiation and Cooling Technologies #physics.optics
paper · pdf · doi:10.48550/arxiv.1401.4013
Conference abstract submitted to NanoRad2014: http://nanorad2014.shiep.edu.cn
arxiv created 2014/01/16 · arxiv updated 2014/01/17
Using our recently developed equivalent circuit model of radiative heat transfer we analyze the far-field thermal emission from bodies of constrained dimensions. We prove that the power radiated by a hypothetical metamaterial emitter which is conjugate matched with all the harmonics of the emitted field at a given wavelength can be infinitely higher than the power emitted by an ideal black body of the same radius. However, for optically large bodies, fulfilling the conjugate match conditions for higher-order harmonics is not a trivial task, which effectively limits the far-field radiated power by the well-known Planck law.