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Related Experiment Videos

Controlling electromagnetic fields.

J B Pendry1, D Schurig, D R Smith

  • 1Department of Physics, Blackett Laboratory, Imperial College London, London SW7 2AZ, UK. j.pendry@imperial.ac.uk

Science (New York, N.Y.)
|May 27, 2006
PubMed
Summary
This summary is machine-generated.

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Metamaterials enable precise control over electromagnetic fields, allowing redirection and cloaking of specific spaces. This design strategy offers new possibilities for exotic lenses and electromagnetic field cloaking applications.

Area of Science:

  • Electromagnetism
  • Materials Science
  • Optics

Background:

  • Metamaterials offer unique design flexibility for manipulating electromagnetic fields.
  • Controlling electromagnetic field behavior is crucial for advanced optical and cloaking technologies.

Purpose of the Study:

  • To demonstrate a design strategy for redirecting electromagnetic fields using metamaterials.
  • To illustrate the cloaking of a volume of space from electromagnetic fields.

Main Methods:

  • Utilizing the design freedom of metamaterials to control electromagnetic field propagation.
  • Proposing a systematic design strategy for field redirection.

Main Results:

  • Demonstrated consistent displacement of conserved fields (electric displacement D, magnetic induction B, Poynting vector B).

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  • Provided a simple illustration of cloaking a volume of space to exclude all electromagnetic fields.

    • Conclusions:

    • Metamaterials provide a powerful platform for arbitrary redirection of electromagnetic fields.
    • The proposed design strategy is applicable to exotic lens design and cloaking applications.