Multilayer microwave windows for wideband gyro-amplifiers

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Donaldson, C. R. and McElhinney, P. and Zhang, L. and He, W.; (2016) Multilayer microwave windows for wideband gyro-amplifiers. In: 2015 8th UK, Europe, China Millimeter Waves and THz Technology Workshop, UCMMT 2015. Institute of Electrical and Electronics Engineers Inc., GBR. ISBN 9781467374347 (https://doi.org/10.1109/UCMMT.2015.7460585)

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Abstract

This paper presents the design and measurement of a HE11 mode multilayer window for a W-band gyro-amplifier. The window acts to seal the vacuum inside the amplifier whilst coupling out microwave power with minimal reflection and absorption. The Gaussian-like HE11 mode is used in order to achieve the lowest reflection through the window. Operating over 90-100 GHz the simulated reflection of this window is better than -30 dB. The design, simulation and microwave measurement of the window is presented.

ORCID iDs

Donaldson, C. R. ORCID logoORCID: https://orcid.org/0000-0001-6627-2461, McElhinney, P., Zhang, L. ORCID logoORCID: https://orcid.org/0000-0002-6317-0395 and He, W. ORCID logoORCID: https://orcid.org/0000-0001-7018-0527;
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