Journal
EUROSENSORS 2015
Volume 120, Issue -, Pages 20-25Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.proeng.2015.08.557
Keywords
Metamaterials; Absorber; Terahertz
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A suspended array of square metallic patches on a thin dielectric layer is introduced as a terahertz absorber. The absorber is fabricated on a metalized substrate and the device exhibits metamaterial behavior at specific frequencies determined by the size of the patches. It is feasible to place patches with different sizes in an array formation for a broadband absorber. Design of the absorber is described using electromagnetic simulations. The absorber structure was fabricated on a silicon wafer and its characteristics were measured using a terahertz time domain spectroscope. The measured data match well the simulations indicating strong absorption peaks in a band of 0.5-2 THz. (C) 2015 The Authors. Published by Elsevier Ltd.
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