Enhanced THz transmission apertures through sub-wavelength annular apertures

A. J. Gallant; J. A. Levitt; M. Kaliteevski; D. Wood; M. C. Petty; R. A. Abram; S. Brand; J. M. Chamberlain

doi:10.1117/12.680552

30 August 2006 Enhanced THz transmission apertures through sub-wavelength annular apertures

A. J. Gallant, J. A. Levitt, M. Kaliteevski, D. Wood, M. C. Petty, R. A. Abram, S. Brand, J. M. Chamberlain

Proceedings Volume 6323, Plasmonics: Metallic Nanostructures and their Optical Properties IV; 632316 (2006) https://doi.org/10.1117/12.680552
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

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.

Citation Download Citation

A. J. Gallant, J. A. Levitt, M. Kaliteevski, D. Wood, M. C. Petty, R. A. Abram, S. Brand, and J. M. Chamberlain "Enhanced THz transmission apertures through sub-wavelength annular apertures", Proc. SPIE 6323, Plasmonics: Metallic Nanostructures and their Optical Properties IV, 632316 (30 August 2006); https://doi.org/10.1117/12.680552

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