Picture of Optical Near Field as a Virtual Cloud Around a Nanometric System Surrounded by a Macroscopic System

  • Motoichi Ohtsu
  • Kiyoshi Kobayashi
Part of the Advanced Texts in Physics book series (ADTP)


Previous chapters used classical electromagnetism to describe a nanometric system composed of a sample, a probe, and an optical near field. This chapter presents a quantum mechanical model based on a projection operator method to describe the interaction between nanometric material systems via an optical near field surrounded by a macroscopic system. This model can also be used to describe the interaction between an atom and a probe, and its application to atom photonics is discussed in Chap. 9. Appendices C and D provide supplementary explanations of the concepts to be used in this chapter. An outstanding advantage of this model is its ability to systematically describe the light-matter interactions in nanometric material and atomic systems. This is because the model is based on concepts developed in the fields of elementary particle physics, statistical mechanics, quantum chemistry, and quantum optics. Furthermore, the model provides an intuitive physical picture in which the localized optical near field can be described in the same way as an electron cloud localized around an atomic nucleus.


Atomic Nucleus Incident Light Decay Length Circular Aperture Macroscopic System 
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  1. 8.1
    K. Kobayashi, S. Sangu, M. Ohtsu: Quantum Theoretical Approach to Optical Near-Fields and some Related Applications. In: Progress in Nano-ElectroOptics I, ed. by M. Ohtsu ( Springer-Verlag, Berlin 2002 ) pp. 119–157Google Scholar

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© Springer-Verlag Berlin Heidelberg 2004

Authors and Affiliations

  • Motoichi Ohtsu
    • 1
  • Kiyoshi Kobayashi
    • 2
  1. 1.Tokyo Institute of TechnologyYokohama, KanagawaJapan
  2. 2.ERATO Localized Photon ProjectMachida, TokyoJapan

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