Input coupling systems for mm-wave amplifiers

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Zhang, Liang and Donaldson, Craig R. and Garner, Jason and Cross, Adrian W. and He, Wenlong; (2017) Input coupling systems for mm-wave amplifiers. In: 2017 10th UK-Europe-China Workshop on Millimetre Waves and Terahertz Technologies (UCMMT). IEEE, GBR. ISBN 9781538627204 (https://doi.org/10.1109/UCMMT.2017.8068472)

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Abstract

Input couplers for mm-wave gyrotron traveling wave amplifiers (gyro-TWAs) were designed. A W-band input coupler composed of a T-junction and a broadband reflector was constructed and measured in W-band. It achieved a transmission coefficient of -2.2 dB including the pillbox window and a waveguide bend. A multiple-hole coupler was designed and simulated at 372 GHz. Without considering the Ohmic loss, in simulations the 372GHz coupler achieved a transmission coefficient of -0.5 dB.

ORCID iDs

Zhang, Liang ORCID logoORCID: https://orcid.org/0000-0002-6317-0395, Donaldson, Craig R. ORCID logoORCID: https://orcid.org/0000-0001-6627-2461, Garner, Jason ORCID logoORCID: https://orcid.org/0000-0002-9985-0739, Cross, Adrian W. ORCID logoORCID: https://orcid.org/0000-0001-7672-1283 and He, Wenlong ORCID logoORCID: https://orcid.org/0000-0001-7018-0527;
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