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Experimental Verification of Epsilon-Near-Zero Metamaterial Coupling and Energy Squeezing Using a Microwave Waveguide

Open access
Edwards, Brian, Alù, Andrea, Young, Michael E., Silveirinha, Mário, Engheta, Nader·2008·Physical Review Letters

Abstract

Utilizing a microwave setup, we experimentally verify our recently developed theory of energy squeezing and tunneling [Phys. Rev. Lett. 97, 157403 (2006)10.1103/PhysRevLett.97.157403] through an ultranarrow waveguide channel that mimics zero-permittivity properties. Exploiting the infinite phase velocity supported by a waveguide transition section at cutoff, we test our theory of tunneling in this zero-permittivity region without use of resonant inclusions. This "supercoupling" is shown to have unique anomalous properties: an almost uniform phase along the narrow channel and weak dependence over its geometry.

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Research works printed but not linked: 15

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Metadata

Authors
Edwards, B., Alù, A., Young, M. E., Silveirinha, M., & Engheta, N.
Venue
Physical Review Letters
Published
2008-01-25
Volume
100
Issue
3
Pages
033903-033903
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2004237821
Cited by
769
References
1
FWCI
11.78
Type
journal article
Language
en
Open access
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Edwards, B., Alù, A., Young, M. E., Silveirinha, M., & Engheta, N. (2008). Experimental Verification of Epsilon-Near-Zero Metamaterial Coupling and Energy Squeezing Using a Microwave Waveguide. Physical Review Letters. https://doi.org/10.1103/physrevlett.100.033903

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