Simulation of rectangular TE10 to circular TE11 terahertz mode converters

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Garner, J. R. and Zhang, L. and Donaldson, C. R. and Cross, A. W. and Phelps, A. D. R. and He, W.; (2016) Simulation of rectangular TE10 to circular TE11 terahertz mode converters. In: 41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016. Proceedings International Conference on Infrared, Millimeter, and Terahertz Waves . IEEE Computer Society Press, DNK. ISBN 9781467384858 (https://doi.org/10.1109/IRMMW-THz.2016.7758520)

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Abstract

Two designs of fundamental mode rectangular to circular waveguide TE10 to TE11 mode converter are presented. The waveguide transitions are optimized for operation as an input coupler on a 372 GHz gyro-TWA for Dynamic Nuclear Polarization (DNP) enhancement of NMR imaging. A T-junction input coupler and a multiple hole directional coupler were optimized for operation between 360-384 GHz. The T-junction coupler and the multiple hole coupler exhibited bandwidths of 10% and 35% respectively with a high coupling factor of > -1 dB.

ORCID iDs

Garner, J. R. ORCID logoORCID: https://orcid.org/0000-0002-9985-0739, Zhang, L. ORCID logoORCID: https://orcid.org/0000-0002-6317-0395, Donaldson, C. R. ORCID logoORCID: https://orcid.org/0000-0001-6627-2461, Cross, A. W. ORCID logoORCID: https://orcid.org/0000-0001-7672-1283, Phelps, A. D. R. ORCID logoORCID: https://orcid.org/0000-0002-1100-1012 and He, W. ORCID logoORCID: https://orcid.org/0000-0001-7018-0527;
  • Item type:Book Section
    ID code:59748
    Dates:
    Date
    Event
    1 December 2016
    Published
    15 June 2016
    Accepted
    Notes:© 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
    Subjects:Technology > Electrical engineering. Electronics Nuclear engineering
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:09 Feb 2017 12:25
    Last modified:11 Nov 2024 15:08
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/59748
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