Passband filters for terahertz radiation based on dual metallic photonic structures

Andrew Gallant, Mikhail Kaliteevski, David Wood, Michael Petty, Richard Abram, Stuart Brand, G. Peter Swift, Dagou Zeze, J. Martyn Chamberlain

Research output: Contribution to journalArticlepeer-review

32 Citations (Scopus)

Abstract

This paper reports on the development of two-dimensional metallic microstructures for the filtering of terahertz radiation. These structures are fabricated using ultraviolet-based processing of thick SU8 resist. This micromachining technique enables the array patterns, dimensions, and consequently the filter characteristics to be readily defined. In particular, we demonstrate that a filter with an isolated near-square-shaped passband can be realized on the basis of a combination of two different metallic photonic arrays of optimized design.
Original languageEnglish
Article number161115
JournalApplied physics letters.
Volume91
Issue number16
DOIs
Publication statusPublished - Oct 2007

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