Work

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

Year: 2008

Type: article

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.

Source: Physical Review Letters

DOI: 10.1103/physrevlett.100.033903

Authors: Brian Edwards, Andrea Alù, Michael E. Young, Mário Silveirinha, Nader Engheta

Institutions: University of Pennsylvania, Instituto de Telecomunicações, University of Coimbra

Language: English

Topic: Metamaterials and Metasurfaces Applications

Subfield: Electronic, Optical and Magnetic Materials

Field: Materials Science

Domain: Physical Sciences

Open Access status: green

Funder: Office of Naval Research

OpenAlex ID: W2004237821

FWCI: 11.03

Cites: 15

Cited by: 765

Related to: 9