Low power measurements of the quality factor of an open resonator with stepped mirrors |
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| Authors: | A Perrenoud M Q Tran B Isaak S Alberti and P Muggli |
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| Institution: | (1) Centre de Recherches en Physique des Plasmas Association Euratom-Confédération Suisse, Ecole Polytechnique Fédérale de Lausanne, 21, Av. des Bains, CH-1007 Lausanne, Switzerland |
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| 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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| Keywords: | Open resonator quasi-optical gyrotrons mode selection stepped mirrors |
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