Tuning the far-field superlens: From UV to visible

Yi Xiong*, Zhaowei Liu, Stéphane Durant, Hyesog Lee, Cheng Sun, Xiang Zhang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

35 Scopus citations

Abstract

A far-field optical superlens, which is able to form sub-diffraction- limited images in the far field at UV wavelength, was recently demonstrated. In current work we present two methods to tune the working wavelength from UV to visible by tuning either the permittivity of the surrounding medium or that of the metal. A practical design is provided for each method. The tunable far-field superlens enables possible applications of the far-field superlens in sub-diffraction-limited imaging and sensing over a wide range of wavelength.

Original languageEnglish (US)
Pages (from-to)7095-7102
Number of pages8
JournalOptics Express
Volume15
Issue number12
DOIs
StatePublished - Jun 11 2007

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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