Passive components for the testing of a co-harmonic gyrotron cavity

Constable, D. A. and Fampris, X. S. and Ronald, K. and He, W. and Whyte, C. G. and Robertson, C. W. (2011) Passive components for the testing of a co-harmonic gyrotron cavity. In: 2nd Annual Passive RF and Microwave Components Seminar. IET Seminar Digest (5). IEEE, GBR, pp. 81-82. ISBN 9781849193221

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Abstract

A key design process in the construction of a waveguide cavity or component is the so-called cold test stage. This involves measuring the response of the component to radiation, propagating with a specific electromagnetic mode and a certain frequency, or range of frequencies. However, for components that require testing with high order modes, such as resonant cavities used in high-power, or high-harmonic gyrotrons, it can be challenging to generate the necessary mode. A scheme for co-harmonic generation of radiation through the cyclotron resonance maser (CRM) instability has previously been proposed. Such a scheme involves the generation of two separate harmonics of the electron cyclotron frequency, specifically the 2 nd and 4 th harmonics, within the same geometry. The two electromagnetic modes stimulated are the TE 2.2 and TE 4.3. Unfortunately, the generation of these two modes for cold testing purposes is not a trivial matter.

Item Type:
Contribution in Book/Report/Proceedings
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2200/2208
Subjects:
ID Code:
135300
Deposited By:
Deposited On:
15 Jul 2019 14:35
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 10:57