4.6 Article

Ultimate limit of resolution of subwavelength imaging devices formed by metallic rods

Journal

OPTICS LETTERS
Volume 33, Issue 15, Pages 1726-1728

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OL.33.001726

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Funding

  1. Fundaqdo para a Ciencia e a Tecnologia [PDTC/EEA-TEU71819/2006]
  2. Engineering and Physical Sciences Research Council (UK) (EPSRC) Advanced Research [EP/E053025/1]
  3. EPSRC [EP/E053025/1] Funding Source: UKRI
  4. Engineering and Physical Sciences Research Council [EP/E053025/1] Funding Source: researchfish

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It is demonstrated that the ultimate physical limit of resolution of novel imaging devices based on arrays of metallic rods is determined by the skin depth of the metal. Our theoretical and numerical results show that wire medium tenses may provide a unique solution for subwavelength imaging at frequencies up to the terahertz range and may enable image formation at a significant distance from the source plane. (C) 2008 Optical Society of America.

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