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Anisotropic polarized emission of a doped silicon lamellar grating

Abstract : Thermal emission of a doped silicon grating has been studied in the plane perpendicular to the grooves. We show how the excitation of surface plasmons produce a resonant emission weakly depending on the polarization and azimuthal angle. We analyze in detail the polarization and angular dependence of the emission out of the plane perpendicular to the grooves. Two kinds of thermal sources, directional and quasi-isotropic, are studied. They have been designed in a previous paper. We also compute the total hemispherical emissivity of these gratings. In addition we show that in applications such as radiative cooling, these sources are less efficient than other structures.
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https://hal.archives-ouvertes.fr/hal-00270138
Contributor : François Marquier Connect in order to contact the contributor
Submitted on : Thursday, April 3, 2008 - 5:11:39 PM
Last modification on : Tuesday, June 15, 2021 - 4:17:23 PM

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  • HAL Id : hal-00270138, version 1

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François Marquier, Marine Laroche, Remi Carminati, Jean-Jacques Greffet. Anisotropic polarized emission of a doped silicon lamellar grating. Journal of Heat Transfer, American Society of Mechanical Engineers, 2007, 129, pp.11. ⟨hal-00270138⟩

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