Passive core-shell-based metamaterials to control infrared emissions

Publication Type:
Conference Proceeding
2013 International Symposium on Electromagnetic Theory, EMTS 2013 - Proceedings, 2013, pp. 1078 - 1079
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The need to control thermal emissions when devices, such as infrared (IR) sensors, are in close proximity to a heat source, 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 will 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 IEICE.
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