%0 Journal Article %T A Kind of Coaxial Resonator Structure with Low Multipactor Risk %A Xumin Yu %A Xiaohong Tang %A Juan Wang %A Dan Tang %A Xinyang He %J PIER Letters %D 2013 %I EMW Publishing %X Spacial coaxial resonator plays an important role in spacial system. However, its multipactor effect has not been reported so far. This paper presents a novel type of coaxial resonator structure with low multipactor risk. Compared with conventional coaxial resonator structures, the proposed structure improves the multipactor threshold of filters nearly 3 dB. Experimental results and 3D full-wave analysis show good accordance with the predicted characteristics. %U http://www.jpier.org/pierl/pier.php?paper=13032207