Two port cavity Q measurement using scattering parameters

A method of measuring Q of a two port cavity by scattering parameters is described. The scattering parameters of a two port cavity resonator are derived by a lumped equivalent circuit model as a function of cavity parameters, including the cavity Q. These can be also obtained by direct measurement w...

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Bibliographic Details
Published in:Review of scientific instruments 1996-06, Vol.67 (6), p.2179-2181
Main Authors: Han, Dae‐Hyun, Kim, Young‐Soo, Kwon, M.
Format: Article
Language:English
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Summary:A method of measuring Q of a two port cavity by scattering parameters is described. The scattering parameters of a two port cavity resonator are derived by a lumped equivalent circuit model as a function of cavity parameters, including the cavity Q. These can be also obtained by direct measurement with a modern network analyzer. The results agree well with those from other well‐known methods. This two port measurement can provide additional information such as the coupled power ratio, which is one of the important parameters for the beam‐accelerating cavities.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.1147034