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RIS citation export for THPO038: Status of the Power Couplers for the CSNS DTL

AU  - Fan, M.X.
AU  - Chen, Q.
AU  - Gong, K.Y.
AU  - Li, A.H.
AU  - Li, B.
AU  - Liu, H.C.
AU  - Qu, P.H.
AU  - Wang, Y.
AU  - Wu, X.L.
ED  - Schaa, Volker RW
ED  - Pei, Guoxi
ED  - Chin, Yong Ho
ED  - Fu, Shinian
ED  - Zhao, Ning
TI  - Status of the Power Couplers for the CSNS DTL
J2  - Proc. of LINAC2018, Beijing, China, 16-21 September 2018
CY  - Beijing, China
T2  - Linear Accelerator Conference
T3  - 29
LA  - english
AB  - There are four Drift Tube Linac (DTL) tanks in China Spallation Neutron Source (CSNS) Project. Each DTL tank requires a power coupler with a peak power of 2 MW and a duty cycle of 1.5% for beam operation. After approximately two years machining, all four couplers were already installed in the tunnel before year 2017. Up to now, the first phase of beam tuning has been completed, the maximum transmission power of the coupler exceeds 1.7 MW with a pulse width of 650 μs and a repetition rate of 25 Hz, meanwhile, the vacuum is maintained on the order of 10⁻⁶ Pa during the operation and no breakdown was observed. This paper describes the architecture, the fabrication, the low power test results and the high power conditioning process of the coupler. Some problems encountered are also presented.
PB  - JACoW Publishing
CP  - Geneva, Switzerland
SP  - 767
EP  - 770
KW  - coupling
KW  - cavity
KW  - vacuum
KW  - operation
DA  - 2019/01
PY  - 2019
SN  - 2226-0366
SN  - 978-3-95450-194-6
DO  - DOI: 10.18429/JACoW-LINAC2018-THPO038
UR  - http://jacow.org/linac2018/papers/thpo038.pdf
ER  -