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,
  3. Prof. Kurt Busch5
  1. A. Husakou,
  2. J. Herrmann

Published Online: 4 MAR 2008

DOI: 10.1002/9783527621880.ch20

Book Title

Nanophotonic Materials: Photonic Crystals, Plasmonics, and Metamaterials

Nanophotonic Materials: Photonic Crystals, Plasmonics, and Metamaterials

Additional Information

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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CHAPTER TOOLS

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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

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