Excitation loss of open resonators |
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Authors: | V V Veremey A A Kostenko I K Kuz'michev A E Poyedinchuk G I Khlopov |
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Institution: | 1. Institute for Radiophysics and Electronics, Ukrainian Academy of Sciences, 12 ac Proskura st. Kharkov, 310085, Ukraine
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Abstract: | Reported here are the results on level and structure of the radiated field of an open resonator at and off resonance. On the basis of the modelling problem rigorous solution and the measurements at 4-millimeter wavelength we find there are no ways to compensate the radiated field from an open electromagnetic structure at resonance. Analysis of open resonator excitation efficiency shows that the mismatch loss of a slot-fed open resonator runs to 34% while at the aperture-feed excitation this is not more than 6% for the same-geometry resonator. |
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