Investigation of robust flexible conformal THz perfect metamaterial absorber

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• 作者：Ju-Hyung Kim ; Mohammad P. Hokmabadi ; Soner Balci ; Elmer Rivera…
• 刊名：Applied Physics A: Materials Science & Processing
• 出版年：2016
• 出版时间：April 2016
• 年：2016
• 卷：122
• 期：4
• 全文大小：1,356 KB
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• 作者单位：Ju-Hyung Kim (1)
  Mohammad P. Hokmabadi (1)
  Soner Balci (1)
  Elmer Rivera (1)
  David Wilbert (1)
  Patrick Kung (1)
  Seongsin Margaret Kim (1)
  
  1. Department of Electrical and Computer Engineering, University of Alabama, Tuscaloosa, AL, 35487, USA
  
• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Condensed Matter
  Optical and Electronic Materials
  Nanotechnology
  Characterization and Evaluation Materials
  Surfaces and Interfaces and Thin Films
  Operating Procedures and Materials Treatment
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1432-0630

文摘

The flexible metamaterials have promised to greatly expand our ability to realize a wide range of novel applications including new methods of sensing and cloaking. In this work, flexible metamaterial absorbers, targeted to operate at terahertz frequencies, have been designed, simulated, and fabricated. The absorber structure consisted of a conducting ground plane, a dielectric spacer, and a frequency selective surface which was composed of two layers of nonconcentric, differently sized, single-ring arrays. Absorber structure was designed and simulated such that absorbers exhibited two distinct resonance frequencies with the strength of absorption for both sensitive to the center-to-center spacing of the rings and polarization. The functionality of the absorbers was seen to be similar both in planar and deformed positions, which promises robustness of the conformal flexible metamaterials device under the deformation and uneven surfaces.