Abstract
Open resonators in which both mirrors have a central step have been predicted to exhibit mode selection properties. This is advantageous for the design of quasi-optical gyrotrons. Quality factor measurements of a 36 cm resonator at 120 GHz are presented and compared with theory. Although the effect of the step is clearly seen, the quality factor Q of the resonator is lower than that predicted.
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Perrenoud, A., Tran, M.Q., Isaak, B. et al. Low power measurements of the quality factor of an open resonator with stepped mirrors. Int J Infrared Milli Waves 7, 1813–1822 (1986). https://doi.org/10.1007/BF01010079
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DOI: https://doi.org/10.1007/BF01010079