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How should we cope with effective media?

  • Hiroyuki Ichikawa
Regular Paper
  • 36 Downloads

Abstract

Effective optical constants such as an effective index are useful figures in analyzing and designing subwavelength optical elements. However, its definition and practical usage in everyday work are not always straightforward as expected, in particular in visible light frequencies. We compare several different approaches to the concept of effective media and discuss its practicality and problems associated.

Keywords

Diffractive optics Effective medium theory Subwavelength structures Metamaterials 

Notes

Acknowledgements

The author is deeply indebted to Yuya Hino, currently with SUBARU Co., for his contribution at the early stage of this research as a postgraduate student in his laboratory of Ehime University.

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Copyright information

© The Optical Society of Japan 2018

Authors and Affiliations

  1. 1.Faculty of EngineeringEhime UniversityEhimeJapan

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