Beam-mode analysis of a slotted horn antenna suitable for micromachined rectangular waveguide

Brian M. Towlson; John W. Bowen

doi:10.1117/12.361057

9 September 1999 Beam-mode analysis of a slotted horn antenna suitable for micromachined rectangular waveguide

Brian M. Towlson, John W. Bowen

Proceedings Volume 3828, Terahertz Spectroscopy and Applications II; (1999) https://doi.org/10.1117/12.361057
Event: Industrial Lasers and Inspection (EUROPTO Series), 1999, Munich, Germany

Abstract

This paper describes a Gauss-Hermite beam-mode analysis of the far-field radiation pattern of a sectoral horn antenna with a tapered slot in its upper broadwall. This type of antenna is suitable for integration with micro-machined rectangular waveguide. Examples having been fabricated for frequencies as high as 1.6 THz. Microwave scale model radiation pattern measurement are presented. A procedure for carrying out a beam-mode analysis from the measured far- field pattern rather than the usual case of a theoretical near-field distribution is described. The beam-mode analysis technique is of general applicability to all types of antenna.

Citation Download Citation

Brian M. Towlson and John W. Bowen "Beam-mode analysis of a slotted horn antenna suitable for micromachined rectangular waveguide", Proc. SPIE 3828, Terahertz Spectroscopy and Applications II, (9 September 1999); https://doi.org/10.1117/12.361057

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KEYWORDS

Antennas

Beam analyzers

Waveguides

Metals

Microwave radiation

Micromachining

Terahertz radiation

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