DR narrowband filters for XFEL accelerator (original) (raw)

2018 22nd International Microwave and Radar Conference (MIKON), 2018

Abstract

This paper presents three realization of extremely narrowband dielectric resonator filters. High quality filters are realized as two-pole filters with relative bandwidths as low as 0.028% and 0.0054%. The filters are realized in aluminum housings using dielectric resonators of permittivity 37 and temperature coefficient +3 ppm/°C. The filters demonstrate good thermal stability better than 3 ppm/°C. High power version of the filter is capable to handle 100 Watts of input power.

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