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Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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Design and measurement of a polarization convertor based on truncated circular waveguide

Zhang, Liang and Donaldson, Craig and He, Wenlong (2012) Design and measurement of a polarization convertor based on truncated circular waveguide. Journal of Physics D: Applied Physics, 45 (34). ISSN 0022-3727

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Abstract

A polarization convertor based on a truncated circular waveguide is studied. It is simple to make and suitable for operating in the low terahertz frequency range. The bandwidth, machining tolerance and the nonlinear taper, used to reduce microwave reflection, are discussed. A W-band truncated polarization convertor was fabricated and its microwave properties were measured. An averaged transmission loss of −0.3 dB and a reflection of −30 dB were measured, which are in good agreement with the analytical calculation and numerical simulation presented in this paper.