Enhanced THz transmission apertures through sub-wavelength annular apertures

Andrew Gallant; J.A. Levitt; Mikhail Kaliteevski; David Wood; Michael Petty; Richard Abram; Stuart Brand; J. Martyn Chamberlain

doi:10.1117/12.680552

Enhanced THz transmission apertures through sub-wavelength annular apertures

Andrew Gallant, J.A. Levitt, Mikhail Kaliteevski, David Wood, Michael Petty, Richard Abram, Stuart Brand, J. Martyn Chamberlain

Mathematics, Physics and Electrical Engineering

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

1 Citation (Scopus)

Abstract

We report on the development of a surface micromachined process for the fabrication of coaxial apertures surrounded by periodic grooves. The process uses a combination of copper electroforming and the negative epoxy based resist, SU8, as a thin flexible substrate. The device dimensions are suitable for the implementation of filters at THz frequencies, and measurements show a pass band centred around 1.5 THz. These devices could form the basis of the next generation of THz biosensors.

Original language	English
Article number	632316
Journal	Proceedings of SPIE.
Volume	6323
DOIs	https://doi.org/10.1117/12.680552
Publication status	Published - 30 Aug 2006

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abstract = "We report on the development of a surface micromachined process for the fabrication of coaxial apertures surrounded by periodic grooves. The process uses a combination of copper electroforming and the negative epoxy based resist, SU8, as a thin flexible substrate. The device dimensions are suitable for the implementation of filters at THz frequencies, and measurements show a pass band centred around 1.5 THz. These devices could form the basis of the next generation of THz biosensors.",

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AU - Kaliteevski, Mikhail

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AU - Petty, Michael

AU - Abram, Richard

AU - Brand, Stuart

AU - Chamberlain, J. Martyn

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AB - We report on the development of a surface micromachined process for the fabrication of coaxial apertures surrounded by periodic grooves. The process uses a combination of copper electroforming and the negative epoxy based resist, SU8, as a thin flexible substrate. The device dimensions are suitable for the implementation of filters at THz frequencies, and measurements show a pass band centred around 1.5 THz. These devices could form the basis of the next generation of THz biosensors.

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