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The focusing performance of an aperiodic double layer metallic grating

  • Long Ma
  • , Jie Lin
  • , Peng Jin
  • , Philip Prewett
  • , Zhengang Lu
  • , Jiubin Tan

Research output: Contribution to journal › Article › peer-review

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Abstract

In this paper, a double-layer aperiodic metallic grating is designed and the focusing performance is numerically researched using the finite-difference time-domain method. A sub-wavelength focusing spot is achieved and the depth of focus is twice the length of the incident wavelength. With its ease of fabrication, the designed aperiodic double-layer metallic grating has great potential in applications such as data storage, laser direct writing and optical probe.
Original languageEnglish
Pages (from-to)112-116
JournalMicroelectronic Engineering
Volume123
Early online date2 Jun 2014
DOIs
Publication statusPublished - 1 Jul 2014

Keywords

  • Focusing performance
  • Aperiodic grating
  • Metallic subwavelength structure

Access to Document

  • Prewett_Focusing_performance_Microelectronic_Engineering_2014

    NOTICE: this is the author’s version of a work that was accepted for publication in Microelectronic Engineering. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Microelectronic Engineering, Volume 123, 1 July 2014, Pages 112–116 DOI: 10.1016/j.mee.2014.05.033 Checked for repository 28/10/2014

    Accepted author manuscript, 3.17 MBLicence: Other (please specify with Rights Statement)

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