H-type linac structures
H-type linac structures
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DOI：
10.5170/cern-2005-003.351
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发表时间：
2005
期刊：
影响因子：
--
通讯作者：
U. Ratzinger
中科院分区：
文献类型：
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作者：
U. Ratzinger
在过去的25年里，H型腔已经成功地发展起来，用于离子加速领域的各种应用。射频四极（Radio Frequency Quadrupole，缩写为QF）和漂移管直线加速器（Drift Tube Linac，缩写为DTL）的设计是在H11和H21模式下进行的。叉指H型（IH）漂移管结构（H11（0）模式）在100 keV/u至30 MeV/u的能量范围内是有效的，特别是当与KONUS束动力学相结合时。在总功耗的IH-DTL可以竞争现有的超导直线加速器高达约2 MeV/u的束能量。此外，有效的电压增益高达10.7 MV/m的脉冲操作中被证明。GSI强流直线加速器达到了漂移管结构的新标志，（A/q）max 60和Imax/emA = 0.25·A/q。该加速器的有效电压增益为4.2MV/m。IHRFQ（H110模式）非常适合于A/q为10的重离子束，而四叶片加速器非常适合于质子和轻离子加速。在5 MeV/u和150 MeV/u之间的电子束能量的十字棒H型（CH）漂移管结构（H210模式）也显示出巨大的潜力，室温和超导设计。
H-type cavities have been successfully developed over the last 25 years to serve for a large variety of applications in the field of ion acceleration. Radio Frequency Quadrupole (RFQ) and Drift Tube Linac (DTL) versions were designed in the H11as well as in the H21-mode. The Interdigital H-type (IH) drift tube structure (H11(0)-mode) is efficient for an energy range from 100 keV/u to 30 MeV/u, especially when combined with KONUS beam dynamics. In overall power consumption the IH-DTL can compete with existing superconducting linacs up to beam energies of around 2 MeV/u. Additionally, effective voltage gains as high as 10.7 MV/m were demonstrated in pulsed operation. The GSI High Current Linac has reached new marks for drift tube structures with (A/q)max 60 and Imax/emA = 0.25·A/q. The effective voltage gain of that 36 MHz, 80 MV IH-linac is 4.2 MV/m. The IHRFQ (H110-mode) is well suited for heavy-ion beams with A/q 10, and the four-vane RFQ is very well established for proton and light-ion acceleration. At beam energies between 5 MeV/u and 150 MeV/u the Cross Bar H-Type (CH) drift tube structure (H210-mode) also shows great potential for room temperature and for superconducting designs.