Phys. Rev. E 74, 036615 (2006) [9 pages]Direct calculation of thermal emission for three-dimensionally periodic photonic crystal slabsReceived 8 May 2006; published 18 September 2006 We perform direct thermal emission calculations for three-dimensionally periodic photonic crystal slabs using stochastic electrodynamics following the Langevin approach, implemented via a finite-difference time-domain algorithm. We demonstrate that emissivity and absorptivity are equal, by showing that such photonic crystal systems emit as much radiation as they absorb, for every frequency, up to statistical fluctuations. We also study the effect of surface termination on absorption and emission spectra from these systems. © 2006 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevE.74.036615
DOI:
10.1103/PhysRevE.74.036615
PACS:
42.70.Qs, 44.40.+a
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