Sub–Diffraction-Limited Optical Imaging with a Silver Superlens

  title={Sub–Diffraction-Limited Optical Imaging with a Silver Superlens},
  author={Nicholas X. Fang and H. Lee and C. Sun and X. Zhang},
  pages={534 - 537}
  • Nicholas X. Fang, H. Lee, +1 author X. Zhang
  • Published 2005
  • Materials Science, Medicine
  • Science
  • Recent theory has predicted a superlens that is capable of producing sub–diffraction-limited images. This superlens would allow the recovery of evanescent waves in an image via the excitation of surface plasmons. Using silver as a natural optical superlens, we demonstrated sub–diffraction-limited imaging with 60-nanometer half-pitch resolution, or one-sixth of the illumination wavelength. By proper design of the working wavelength and the thickness of silver that allows access to a broad… CONTINUE READING
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