| Paper |
Title |
Page |
| MOPCH065 |
Fabrication and Installation of Superconducting Accelerator Modules for the ERL Prototype (ERLP) at Daresbury
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178 |
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- P. vom Stein, S. Bauer, M. Pekeler, H. Vogel
ACCEL, Bergisch Gladbach
- R. Bate, C.D. Beard, D.M. Dykes, P.A. McIntosh, B. Todd
CCLRC/DL/ASTeC, Daresbury, Warrington, Cheshire
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Installation and commissioning of the superconducting energy recovery linac(ERL) prototype is under way at Daresbury Laboratory. ACCEL have manufactured two superconducting accelerator modules for the injector and the linac, operating at 2K with 1.3 GHz TESLA type cavities. Each module contains two cavities and is designed to provide an accelerating voltage of 25 MV in cw mode. This paper presents details of the module fabrication, cavity preparation and performance results. An overview of the cryogenic installations for the modules is given and status results of the commissioning are discussed.
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| MOPCH187 |
Key Cryogenics Challenges in the Development of the 4GLS
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499 |
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- R. Bate, R.K. Buckley, A.R. Goulden, C. Hodgkinson, S.M. Pattalwar
CCLRC/DL/ASTeC, Daresbury, Warrington, Cheshire
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The fourth generation light source (4GLS) is a uniquely flexible source of ultra-high brightness continuous and pulsed radiation covering the IR to XUV range of the spectrum. It is the first light source in the world that is planned from the outset to be a multi-user, multi-source facility combining ERL (energy recovery LINAC) and FEL (free electron laser) technology. 4GLS will require six different sets of superconducting LINACs. Each of the LINAC modules consists of 2 to 7, 1.3 GHz superconducting RF cavities of the TESLA design operating at 1.8 K. The overall cooling power necessary to cool the cavities is estimated to be around 2.5KW demanding the superfluid liquid helium flow rates in excess of 200g/s. Even though the technology of the superconducting RF cavities is somewhat well understood, the design and subsequent operation of the cryogenic system / Cryo modules is an extremely complex task. In this paper we describe the key cryogenic challenges of the 4GLS project and our approach in identifying solutions to meet them.
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