Abstract
We present the results of computer simulation of the properties of modes in a two-dimensional open resonator with a conducting cylindrical insert. An increase in the diffraction Q-factor of the fundamental mode by 2–3 orders of magnitude due to the conducting cylindrical insert is found and studied. The prospects of using this phenomenon for controlling the spectrum, frequencies, and Q-factors of excited modes are discussed. The tunability of the open resonator with a conducting cylindrical insert for one (fundamental) mode in a wide frequency range is shown.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 48, No. 7, pp. 596–604, July 2005.
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Melezhik, P.N., Miroshnichenko, V.S. & Senkevich, Y.B. Open Resonators with Conducting Cylindrical Inserts. 1. Two-Dimensional Model. Radiophys Quantum Electron 48, 529–536 (2005). https://doi.org/10.1007/s11141-005-0097-3
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DOI: https://doi.org/10.1007/s11141-005-0097-3