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

Liang Zhang; Craig Donaldson; Wenlong He

doi:10.1088/0022-3727/45/34/345103

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

Liang Zhang, Craig Donaldson, Wenlong He

Research output: Contribution to journal › Article › peer-review

24 Citations (Scopus)

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.

Original language	English
Article number	345103
Number of pages	7
Journal	Journal of Physics D: Applied Physics
Volume	45
Issue number	34
Early online date	10 Aug 2012
DOIs	https://doi.org/10.1088/0022-3727/45/34/345103
Publication status	Published - 10 Aug 2012

Keywords

waveguide
transmission lines
polarization convertor

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Generation of high power, high frequency radiation using high brightness pseudospark-sourced beam
Cross, A., He, W., Phelps, A., Ronald, K. & Zhang, L.
EPSRC (Engineering and Physical Sciences Research Council)
1/10/08 → 31/03/12
Project: Research

Cite this

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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.",

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AB - 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.

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

Abstract

Keywords

Access to Document

Generation of high power, high frequency radiation using high brightness pseudospark-sourced beam

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