Basic Features of Optical Near-Field and Imaging

  • Motoichi Ohtsu


We characterize the basic features of optical near field and imaging using the system developed in Chap. 6. As an essential measure to represent the quality of the imaging, this section discusses the resolution. Although the sample is always three-dimensional, we evaluate the longitudinal and lateral resolutions separately for practical and experimental convenience. They are both influenced by various factors such as the probe parameters, sample-probe separation, and the polarization of the illuminating light. We discuss about the ways of evaluating these characterizing resolutions and their dependence on various factors.


Gold Particle Step Edge Polarization Dependence Electric Field Vector Longitudinal Resolution 
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Copyright information

© Springer Japan 1998

Authors and Affiliations

  • Motoichi Ohtsu
    • 1
  1. 1.Interdisciplinary Graduate School of Science and EngineeringTokyo Institute of TechnologyMidori-ku YokohamaJapan

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