Chapter 20. Superfocusing of Optical Beams Below the Diffraction Limit by Media with Negative Refraction

  1. Prof. Ralf B. Wehrspohn2,3,
  2. Prof. H.-S. Kitzerow4 and
  3. Prof. Kurt Busch5
  1. A. Husakou and
  2. J. Herrmann

Published Online: 4 MAR 2008

DOI: 10.1002/9783527621880.ch20

Nanophotonic Materials: Photonic Crystals, Plasmonics, and Metamaterials

Nanophotonic Materials: Photonic Crystals, Plasmonics, and Metamaterials

How to Cite

Husakou, A. and Herrmann, J. (2008) Superfocusing of Optical Beams Below the Diffraction Limit by Media with Negative Refraction, in Nanophotonic Materials: Photonic Crystals, Plasmonics, and Metamaterials (eds R. B. Wehrspohn, H.-S. Kitzerow and K. Busch), Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, Germany. doi: 10.1002/9783527621880.ch20

Editor Information

  1. 2

    Fraunhofer-Institute for Mechanics of Materials, Halle; Germany

  2. 3

    Martin-Luther University, Halle-Wittenberg, Institute of Physics, 06099 Halle, Germany

  3. 4

    Department of Physical Chemistry FB13, University of Paderborn, Faculty of Science, Warburger Str. 100, 33098 Paderborn, Germany

  4. 5

    Universität Karlsruhe, Institute of Thoeretical Solid State Physics, 76128 Karlsruhe, Germany

Author Information

  1. Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy, Max-Born-Str. 2a, 12489 Berlin, Germany

Publication History

  1. Published Online: 4 MAR 2008
  2. Published Print: 20 FEB 2008

ISBN Information

Print ISBN: 9783527408580

Online ISBN: 9783527621880

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Keywords:

  • nanophotonic materials;
  • plasmonic materials;
  • metamaterials;
  • superfocusing of optical beams;
  • diffraction limit;
  • negative refraction;
  • aperture action;
  • negative-index layer;
  • scanning light beams focusing;
  • saturable absorber;
  • subdiffraction focusing;
  • nonlinear Kerr-type layer;
  • Maxwell equations

Summary

This chapter contains sections titled:

  • Introduction

  • Superfocusing of a Non-Moving Beam by the Combined Action of an Aperture and a Negative-Index Layer

    • Effective-Medium Approach

    • Direct Numerical Solution of Maxwell Equations for Photonic Crystals

  • Focusing of Scanning Light Beams Below the Diffraction Limit Using a Saturable Absorber and a Negative-Refraction Material

    • Effective-Medium Approach

    • Direct Numerical Solution of Maxwell Equations for Photonic Crystals

  • Subdiffraction Focusing of Scanning Beams by a Negative-Refraction Layer Combined with a Nonlinear Kerr-Type Layer

    • Effective-Medium Approach

    • Direct Numerical Solution of Maxwell Equations for Photonic Crystals

  • Conclusion

  • References