Impedance mismatch approach for a near-field superlens with intrinsic loss of absorption

Kwangchil Leea, Kyoungsik Kim

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Ag slab near-field superlens (NFSL) has been much attractive issue due to their application of nano-imaging by the resolution beyond the diffraction limits. Although it has the advantages as sub-wavelength imaging tools, Ag NFSL always suffers from image blurring due to the intrinsic absorption loss, which prevent the ideal reconstruction of nanoimaging. In this research, through the analysis of focal property using the FDTD, we recognized that the impedance mismatched Ag NFSL is useful as the phase corrected optical components in the near-field. As a result, the significant enhanced of visibility, depth of field, and resolving capability is achieved in the mismatched Ag NFSL imaging system.

Original languageEnglish
Title of host publicationIntegrated Optics
Subtitle of host publicationDevices, Materials, and Technologies XIII
Publication statusPublished - 2009
EventIntegrated Optics: Devices, Materials, and Technologies XIII - San Jose, CA, United States
Duration: 2009 Jan 262009 Jan 28

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
ISSN (Print)0277-786X


OtherIntegrated Optics: Devices, Materials, and Technologies XIII
Country/TerritoryUnited States
CitySan Jose, CA

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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