Towards subdiffraction imaging with wire array metamaterial hyperlenses at MIR frequencies

Juliano G. Hayashi, Alessio Stefani, Sergei Antipov, Richard Lwin, Stuart D. Jackson, Darren D. Hudson, Simon Fleming, Alexander Argyros, Boris T. Kuhlmey*

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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We describe the fabrication of metamaterial magnifying hyperlenses with subwavelength wire array structures for operation in the mid-infrared (around 3 µm). The metadevices are composed of approximately 500 tin wires embedded in soda-lime glass, where the metallic wires vary in diameter from 500 nm to 1.2 µm along the tapered structure. The modeling of the hyperlenses indicates that the expected overall losses for the high spatial frequency modes in such metadevices are between 20 dB to 45 dB, depending on the structural parameters selected, being promising candidates for far-field subdiffraction imaging in the mid-infrared. Initial far-field subdiffraction imaging attempts are described, and the problems encountered discussed.

Original languageEnglish
JournalOptics Express
Issue number15
Pages (from-to)21420-21434
Publication statusPublished - 22 Jul 2019

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