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Fabrication and Characterization of Disordered Polymer Optical Fibers for Transverse Anderson Localization of Light
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Nonlocal transformation optics.

Giuseppe Castaldi1, Vincenzo Galdi, Andrea Alù

  • 1Department of Engineering, University of Sannio, Benevento, Italy.

Physical Review Letters
|March 10, 2012
PubMed
Summary
This summary is machine-generated.

Transformation optics enables engineering the nonlocal response of artificial electromagnetic materials. This approach offers a versatile framework for dispersion engineering and novel wave manipulation applications.

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Area of Science:

  • Electromagnetism
  • Materials Science
  • Optics

Background:

  • Transformation optics is a powerful framework for designing electromagnetic materials.
  • Engineering the nonlocal response of artificial materials is crucial for advanced applications.

Purpose of the Study:

  • To exploit transformation optics for engineering the nonlocal response of artificial electromagnetic materials.
  • To provide a geometrical interpretation of nonlocal field manipulation using transformation media.

Main Methods:

  • Utilizing form-invariant properties of coordinate-transformed Maxwell's equations in the spectral domain.
  • Deriving general constitutive blueprints for transformation media.
  • Interpreting the effects geometrically via deformation of equifrequency contours.

Main Results:

  • Demonstrated a systematic framework for engineering nonlocal material responses.
  • Provided a geometrical interpretation of field manipulation through equifrequency contour deformation.
  • Presented an example of wave-splitting refraction using artificial materials.

Conclusions:

  • Transformation optics offers a versatile approach to dispersion engineering.
  • The derived framework facilitates the design of artificial materials with tailored nonlocal responses.
  • This work opens new avenues for advanced wave manipulation and material design.