A W-band multi-layer microwave window for pulsed operation of gyro-devices

Donaldson, C.R. and He, Wenlong and Zhang, Liang and Cross, A.W. (2013) A W-band multi-layer microwave window for pulsed operation of gyro-devices. IEEE Microwave and Wireless Components Letters, 23 (5). pp. 237-239.

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Abstract

A broadband multi-layer microwave window operating in the W-band frequency range was numerically simulated, constructed and its microwave properties measured. The window acts to separate vacuum and atmosphere. It had to meet strict requirements for application in gyro-amplifiers of broadband, low reflection and high mechanical strength. The window was manufactured showing a -20 dB reflection over 90 - 100 GHz (except in two small regions), which is in good agreement with the numerical simulation presented in this letter.