Infrared core-shell-based metamaterials to control thermal emissions

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Conference Proceeding
2013 7th European Conference on Antennas and Propagation, EuCAP 2013, 2013, pp. 3704 - 3706
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The need to control thermal emissions in devices, such as infrared (IR) sensors, has a number of defense and security applications. By tuning the geometry and material properties of core-shell particles, we will illustrate how they can be designed to control IR emissions, i.e., electromagnetic waves in the 8-12 μm range. In particular, we illustrate the realization of Huygens' source types of nano- and micron-sized particles that have low backscattering and large forward scattering. Their integration into a substrate near to its interface leads to additional directionality control that has been investigated for practical applications. © 2013 EurAAP.
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