Design, Manufacturing, Assembly, Testing, And Lessons Learned Of The Prototype 650 Mhz Couplers

J. Helsper, S. Chandrasekaran, N. Solyak +6

Six 650 MHz high-power couplers will be integrated into the prototype High Beta 650 MHz (HB650) cryomodule for the PIP-II project at Fermilab. The design of the coupler is describe…