Articles | Volume 5, issue 1
Special issue:
Regular research article
18 May 2016
Regular research article |  | 18 May 2016

Enhanced wavelength-selective absorber for thermal detectors based on metamaterials

Astrit Shoshi, Thomas Maier, and Hubert Brueckl

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Cited articles

Dayal, G. and Ramakrishna, S. A.: Design of highly absorbing metamaterials for Infrared frequencies, Opt. Express, 20, 17503–17508,, 2012.
Dayal, G. and Ramakrishna, S. A.: Design of multi-band metamaterial perfect absorbers with stacked metal–dielectric disks, J. Opt., 15, 055106,, 2013.
Kischkat, J., Peters, S., Gruska, B., Semtsiv, M., Chashnikova, M., Klinkmüller, M., Fedosenko, O., Machulik, S., Aleksandrova, A., Monastyrskyi, G., Flores, Y., and Masselink, W. T.: Mid-infrared optical properties of thin films of aluminum oxide, titanium dioxide, silicon dioxide, aluminum nitride, and silicon nitride, Appl. Optics, 51, 6789–6798,, 2012.
Landy, N. I., Sajuyigbe, S., Mock, J. J., Smith, D. R., and Padilla, W. J.: Perfect metamaterial absorber, Phys. Rev. Lett., 100, 207402,, 2008.
Maier, T. and Brueckl, H.: Wavelength-tunable microbolometers with metamaterial absorbers, Opt. Lett., 34, 3012–3014,, 2009.
Short summary
Metamaterials are artificial composite structures with unusual physical properties such as the perfect absorption of light, which can be exploited to improve the spectral sensitivity and selectivity of thermal detectors. The desired detector characteristics are engineered by tuning the absorption properties of metamaterials. The numerical simulations demonstrate polarization-independent absorption of disc-shaped dielectric/metallic absorbers and their integration capability in thermal detectors.
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