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Status of the Cw Power Couplers for the Srf Linac of the Ifmif Project

This paper is available in a repository.
This paper is available in a repository.

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Preprint: policy unknown
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Postprint: policy unknown
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Published version: policy unknown

Abstract

The driver of the International Fusion Material Irradiation Facility (IFMIF) consists of two 125 mA, 40 MeV CW deuteron accelerators. A superconducting option for the 5 to 40 MeV linac based on Half-Wave Resonators (HWR) has been chosen. The first cryomodule houses 8 HWR's supplied by high power RF couplers; each of them should be able to operate at 200 kW in CW. This paper will give an overview of the RF design of the 175 MHz CW power coupler. The detailed mechanical studies and the fabrication will be performed by an industrial company. Global approach of the contract and the organization of the intermediate validation tests will be discussed. In a second part, the choices made and the progress of the couplers RF power test stand will be described.