A multiple-hole input coupler for a 372 GHz gyro-travelling wave amplifier

Zhang, Liang and Garner, Jason and He, Wenlong and Donaldson, Craig R. and Cross, Adrian W. (2017) A multiple-hole input coupler for a 372 GHz gyro-travelling wave amplifier. In: 18th International Vacuum Electronics Conference, IVEC 2017, 2017-04-24 - 2017-04-26, London. (https://doi.org/10.1109/IVEC.2017.8289707)

[thumbnail of Zhang-etal-IVEC-2017-multiple-hole-input-coupler-for-a-372-GHz-gyro-travelling-wave-amplifier]
Preview
Text. Filename: Zhang_etal_IVEC_2017_multiple_hole_input_coupler_for_a_372_GHz_gyro_travelling_wave_amplifier.pdf
Accepted Author Manuscript

Download (895kB)| Preview

Abstract

The design of a multiple-hole coupler that operates at a center frequency of 372 GHz for use in a gyrotron travelingwave amplifier (gyro-TWA) is presented. In simulations, the coupler achieved 35% bandwidth from 289GHz to–410 GHz with transmission losses of -0.5 dB predicted.