A corrugated horn with broadband window for W-band gyro-devices

McElhinney, Paul and Donaldson, Craig R. and Zhang, Liang and Cross, Adrian W. and He, Wenlong; (2016) A corrugated horn with broadband window for W-band gyro-devices. In: 2015 8th UK, Europe, China Millimeter Waves and THz Technology Workshop, UCMMT 2015. Institute of Electrical and Electronics Engineers Inc., GBR. ISBN 9781467374347

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    A upgraded W-band corrugated horn including a broadband vacuum window for use in gyro-devices has been designed, constructed and experimentally measured. The horn and multi-layer vacuum window converts a cylindrical TE11 mode into the free space quasi-optical TEM00 mode over the frequency band of 90-100 GHz with a reflection better than -30 dB and a coupling efficiency of ∼99.4%.