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Durham University

Department of Physics

Staff profile

Publication details for Prof Richard Abram

Gallant,A.J., Levitt,J.A., Kaliteevski,M., Wood,D., Petty, M.C., Abram, R.A., Brand, S. & Chamberlain,J.M. (2006). Enhanced THz transmission apertures through sub-wavelength annular apertures. Proceedings of SPIE 6323: 632316.

Author(s) from Durham


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.