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A W-band corrugated output horn and window for gyro-devices

McElhinney, Paul and Donaldson, Craig R. and Zhang, Liang and Cross, Adrian W. and Yin, Huabi and He, Wenlong (2015) A W-band corrugated output horn and window for gyro-devices. In: IRMMW-THz 2015. IEEE, Piscataway, NJ.. ISBN 9781479982721

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    A W-band corrugated horn incorporating a broadband vacuum window for use in a gyro-device as a quasi-optical launcher has been designed, manufactured and experimentally measured. This horn, including a 3 disk vacuum window, converts a cylindrical TE11 mode into the free space TEM00 mode over the frequency band of 90-100 GHz with a reflection better than -30 dB and a coupling efficiency of ∼99.4%.