Journal
APPLIED PHYSICS LETTERS
Volume 102, Issue 21, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4809535
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Funding
- Office Naval Research [N00014-11-1-0460]
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We demonstrate a concept of circuit-based nonlinear metasurface absorbers that absorb high power surface currents but not small signals. The nonlinear absorbing behavior is achieved through the use of diodes integrated into the metasurface. The diodes rectify high power signals to produce a static field, whose energy is stored in capacitors and then dissipated with resistors. We present electromagnetic simulations of these structures and validate the results with the first measurements of nonlinear metasurface absorbers. The metasurfaces can potentially contribute to solving a wide range of microwave interference issues due to their power dependent electromagnetic response. (C) 2013 AIP Publishing LLC.
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