A characterization study of highly tailorable 3D metamaterials in the thermal infrared for selective emission behaviors

Bryan M. Adomanis; D. Bruce Burckel; Michael A. Marciniak

doi:10.1117/12.2024551

11 September 2013 A characterization study of highly tailorable 3D metamaterials in the thermal infrared for selective emission behaviors

Bryan M. Adomanis, D. Bruce Burckel, Michael A. Marciniak

Author Affiliations +

Proceedings Volume 8806, Metamaterials: Fundamentals and Applications VI; 880610 (2013) https://doi.org/10.1117/12.2024551
Event: SPIE NanoScience + Engineering, 2013, San Diego, California, United States

Abstract

The spectral behaviors of an externally-illuminated thermal infrared metamaterial were characterized through simulation and experimental measurement of the power transmittance and reflectance within the 6 - 20μm range. Finite-difference time domain (FDTD) simulations in both 2-D and 3-D environments were swept over a multitude of bent dipole inclusion configurations at normal incidence angles to produce a model which exhibited a dominant electrical resonance in the long-wave infrared (IR) and increased in magnitude, bandwidth and wavelength as a function of the dipole length. Despite the appearance of fabrication defects in the measured samples, it was found the experimental data was in good agreement with the 3-D FDTD simulations, though not at all with the 2-D simulations. These introductory results indicate the dipole inclusion may behave in many ways similar to an antenna in the IR, enabling spectrally- and spatially-selective control of the emission pattern.

Citation Download Citation

Bryan M. Adomanis, D. Bruce Burckel, and Michael A. Marciniak "A characterization study of highly tailorable 3D metamaterials in the thermal infrared for selective emission behaviors", Proc. SPIE 8806, Metamaterials: Fundamentals and Applications VI, 880610 (11 September 2013); https://doi.org/10.1117/12.2024551

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