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Title: Thermal emitter comprising near-zero permittivity materials

A novel thermal source comprising a semiconductor hyperbolic metamaterial provides control of the emission spectrum and the angular emission pattern. These properties arise because of epsilon-near-zero conditions in the semiconductor hyperbolic metamaterial. In particular, the thermal emission is dominated by the epsilon-near-zero effect in the doped quantum wells composing the semiconductor hyperbolic metamaterial. Furthermore, different properties are observed for s and p polarizations, following the characteristics of the strong anisotropy of hyperbolic metamaterials.
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OSTI Identifier:
National Technology & Engineering Solutions of Sandia, LLC SNL-A
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Resource Relation:
Patent File Date: 2016 Dec 15
Research Org:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
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Country of Publication:
United States

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