Stop band characteristics of a TESLA cavity coaxial-type HOM coupler |
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| Affiliation: | Institute of Heavy Ion Physics;Peking University;Beijing 100871;China;KEK: High Energy Accelerator Research Organization;1-1 Oho;Tsukuba;Ibaraki 305-0801;Japan |
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| Abstract: | A TTF-type coaxial higher order modes (HOM) coupler has been used in a TESLA 9 cell cavity. It is impossible to measure the stop band characteristics of the HOM coupler with the cavity. A measurement device for the coaxial transmission line type for the HOM coupler has been designed at Peking University. Experimentally it was shown that the average voltage standing wave ratio of the coaxial transmission line is smaller than 1.08. The experimental results of the stop band characteristics of the TTF-type HOM ... |
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| Keywords: | HOM coupler notch filter stepped coaxial transmission line stop band characteristics |
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