TY  - JOUR
AU  - Argyropoulos, T.
AU  - Catalan-Lasheras, N.
AU  - Grudiev, A.
AU  - Mcmonagle, G.
AU  - Rodriguez-Castro, E.
AU  - Syrachev, I.
AU  - Wegner, R.
AU  - Woolley, B.
AU  - Wuensch, W.
AU  - Zha, H.
AU  - Dolgashev, V.
AU  - Bowden, G.
AU  - Haase, A.
AU  - Lucas, T. G.
AU  - Volpi, M.
AU  - Esperante-Pereira, D.
AU  - Rajamaki, R.
PY  - 2018
DA  - 2018//
TI  - Design, fabrication, and high-gradient testing of an X-band, traveling-wave accelerating structure milled from copper halves
T2  - Phys. Rev. Accel. Beams
JO  - Physical Review Accelerators and Beams
SP  - 061001
EP  - 11pp
VL  - 21
IS  - 6
PB  - Amer Physical Soc
AB  - A prototype 11.994 GHz, traveling-wave accelerating structure for the Compact Linear Collider has been built, using the novel technique of assembling the structure from milled halves. The use of milled halves has many advantages when compared to a structure made from individual disks. These include the potential for a reduction in cost, because there are fewer parts, as well as a greater freedom in choice of joining technology because there are no rf currents across the halves' joint. Here we present the rf design and fabrication of the prototype structure, followed by the results of the high-power test and post-test surface analysis. During high-power testing the structure reached an unloaded gradient of 100 MV/m at a rf breakdown rate of less than 1.5 x 10(-5) breakdowns/pulse/m with a 200 ns pulse. This structure has been designed for the CLIC testing program but construction from halves can be advantageous in a wide variety of applications.
SN  - 2469-9888
UR  - https://doi.org/10.1103/PhysRevAccelBeams.21.061001
DO  - 10.1103/PhysRevAccelBeams.21.061001
LA  - English
N1  - WOS:000434469900001
ID  - Argyropoulos_etal2018
ER  -