TM_<ono>-TM_<omo>二重円筒空胴発振器のモード結合

概要

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The double cylindrical cavity multiple-device configuration is a efficient method not only to combine the available power of many devices but also to overcome the moding problems. In this configuration, the oversized cavity with the desired mode of TM_<ono> is connected by a coaxial line to another oversized cavity with the same frequency of the TM_<omo> (m<n) mode as a injection source. The later cavity has enhanced stability on desired mode oscillation due to accommodating the less number of devices than the former. In this paper, the condition for sustaining the desired mode and the condition for suppression of the undesired modes are obtained by the modal analysis using the equivalent circuit model of the coupled oscillator, so that the range of stable growth of each mode is found. It is shown that the suppression of the undesired mode can be accomplished and the stable oscillation of the desired mode becomes easier by the present configuration.
福山大学の論文