Status of superconducting RF cavity development

Shepard, K.W.

doi:10.1109/pac.1989.72918

Proceedings of the 1989 IEEE Particle Accelerator Conference, . 'Accelerator Science and Technology

DOI: 10.1109/pac.1989.72918

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Status of superconducting RF cavity development

K.W. Shepard

Abstract: T I 220 MeV- 180-The scope superconducting Summary of accelerator applications of RF devices is briefly discussed from a historical perspective. Current projects and development activity are outlined.

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Niobium resonator development for high-brightness ion beam acceleration

1991

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DE9Z 006595 A_ to reduce the likelihood of beam impingement, and the length of each gap was 1.6 cm. Ali welds were made with an Two niobium resonant cavities for high.brightness ion beam electron-beam welder. H1GI.! acceleration have been constructed and tested. The first was co, ouc_,_r_ based on a coaxial quarter-wavegeometry and was optimized ,,o,,j, for phase velocity I]o=0.15. Thiscavity, which resonates at 400 MHz in the fundamental mode, operated at an average (wall-towall) accelerating gradient of 12.9 MV/m under continuouswave (cw) fields. At this gradient, a cavity Q of 1.4x108 was measured. The second was based on a coaxial half-wave geometry and was optimized for 1]o=0.12. This cavity, which resonates at 355 MHz inthe fundamentalmode, operated at an _ average accelerating gradient of 18.0 MV/m under cw fields. This is the highest average acceleratinggradient achieved to date in low-velocitystructuresdesignedfor cw operation. At this gradient,a cavityQ of 1.2x108was measured.

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Niobium resonator development for high-brightness ion beam acceleration

1991

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Status of superconducting RF cavity development

Abstract: T I 220 MeV- 180-The scope superconducting Summary of accelerator applications of RF devices is briefly discussed from a historical perspective. Current projects and development activity are outlined.

Cited by 1 publication

References 23 publications

Niobium resonator development for high-brightness ion beam acceleration

Niobium resonator development for high-brightness ion beam acceleration

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