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Proceedings Paper

Enhanced THz transmission apertures through sub-wavelength annular apertures
Author(s): A. J. Gallant; J. A. Levitt; M. Kaliteevski; D. Wood; M. C. Petty; R. A. Abram; S. Brand; J. M. Chamberlain
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Paper 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.

Paper Details

Date Published: 30 August 2006
PDF: 8 pages
Proc. SPIE 6323, Plasmonics: Metallic Nanostructures and their Optical Properties IV, 632316 (30 August 2006); doi: 10.1117/12.680552
Show Author Affiliations
A. J. Gallant, Durham Univ. (United Kingdom)
J. A. Levitt, Durham Univ. (United Kingdom)
M. Kaliteevski, Durham Univ. (United Kingdom)
D. Wood, Durham Univ. (United Kingdom)
M. C. Petty, Durham Univ. (United Kingdom)
R. A. Abram, Durham Univ. (United Kingdom)
S. Brand, Durham Univ. (United Kingdom)
J. M. Chamberlain, Durham Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 6323:
Plasmonics: Metallic Nanostructures and their Optical Properties IV
Mark I. Stockman, Editor(s)

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