Microwave feeding system elements of superconducting linear collider cavities

摘要

The calculation and experimental results for a magic tee with movable choke plungers in Е- and Н -arms for tuning the coupling-factor and RF phase of high-power accelerating cavities are presented. The investigations were carried out at 1.3 GHz. The so-called E-H tuner shall provide the possibility of independent external Q-factor and RFudphase adjustment for the TESLA cavity structures.