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. 2016 May 20;5(5):e16078. doi: 10.1038/lsa.2016.78

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Copyright © 2016 CIOMP.

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/4.0/

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PSMM absorber on flexible substrate. (a) Representative sketch of the flexible semiconductor-based metamaterial absorber. (b) Microscope image of the fabricated flexible absorber (scale bar=500 μm). (c) Close-up image of the rings. Rings have 30 μm outer and 15 μm inner radius on average with 72.7 μm hexagonal symmetry (scale bar=100 μm). (d) Terahertz-time-domain spectroscopy measurements showing the absorbance for increasing field strength. (e) Simulated absorbance spectra for Drude models with varying mobility and effective mass. (f) Simulated absorbance spectra of substrate-free absorber as a function of incidence angle (θ) for TE and TM polarized THz light.