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Wideband dual-mode waveguide bends for linear and circular polarizations

Abstract: This paper demonstrates the feasibility of very compact and broadband square waveguide bends able to transmit both linear and circular polarizations. A careful control of the bend profile for dual-linear polarization or the use of a new septum-polarizer-like geometry for dual-circular polarization allows to reach full band operation ~34% in the first case and broadband operation ~20% for the second application. Experimental validations show excellent agreement with the theoretical predictions thus effectively extending the previous bandwidth limitations.

 Authorship: Cano J., Mediavilla A.,

 Fuente: IEEE Transactions on Microwave Theory and Techniques, 2017, 65(3), 831-837

 Publisher: Institute of Electrical and Electronics Engineers Inc.

 Publication date: 01/03/2017

 No. of pages: 7

 Publication type: Article

 DOI: 10.1109/TMTT.2016.2625792

 ISSN: 0018-9480,1557-9670

 Spanish project: TEC2014-58341-C4-1-R

 Publication Url: