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Thickness dependence of two-dimensional photonic quasicrystal lens imaging characteristics

  • Jian Jun Liu*
  • , E. Xian Liu
  • , Tian Hua Zhang
  • , Zhi Gang Fan
  • *Corresponding author for this work
  • Hunan University
  • SK Hynix Memory Solutions inc.
  • School of Astronautics, Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

The dependence of imaging characteristics on lens thickness for a germanium-cylinder-based decagonal photonic quasicrystal lens has been studied. Results showed that, when the thickness is equal or close to that of the circular main channels of the photon stream the lens can easily focus and image. It is reported for the first time qualitatively in a diagram in this work. The convergences of light waves and levels of imaging stability are closely correlated with thicknesses and strength of quasi-periodicity of lens. As lens thickness increases, surface conditions of lens change irregularly, causing imaging characteristics to vary non-monotonically.

Original languageEnglish
Pages (from-to)68-71
Number of pages4
JournalSolid State Communications
Volume201
DOIs
StatePublished - Jan 2015
Externally publishedYes

Keywords

  • A. Photonic quasicrystal (PQC)
  • C. Lens
  • C. Lens thickness
  • D. Imaging characteristic

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