Development of high intensity linear accelerator for heavy ion inertial fusion driver
Development of high intensity linear accelerator for heavy ion inertial fusion driver
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DOI：
10.1016/j.nima.2013.06.072
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发表时间：
2013-06
影响因子：
1.4
通讯作者：
L. Lu;T. Hattori;N. Hayashizaki;T. Ishibashi;M. Okamura;H. Kashiwagi;T. Takeuchi;Hongwei Zhao;Yuan He
中科院分区：
文献类型：
--
作者：
L. Lu;T. Hattori;N. Hayashizaki;T. Ishibashi;M. Okamura;H. Kashiwagi;T. Takeuchi;Hongwei Zhao;Yuan He
In order to verify the direct plasma injection scheme (DPIS), an acceleration test was carried out in 2001 using a radio frequency quadrupole (RFQ) heavy ion linear accelerator (linac) and a CO2-laser ion source (LIS) (Okamura et al., 2002) [1]. The accelerated carbon beam was observed successfully and the obtained current was 9.22 mA for C4+. To confirm the capability of the DPIS, we succeeded in accelerating 60 mA carbon ions with the DPIS in 2004 (Okamura et al., 2004; Kashiwagi and Hattori, 2004) [2], [3]. We have studied a multi-beam type RFQ with an interdigital-H (IH) cavity that has a power-efficient structure in the low energy region. We designed and manufactured a two-beam type RFQ linac as a prototype for the multi-beam type linac; the beam acceleration test of carbon beams showed that it successfully accelerated from 5 keV/uup to 60 keV/uwith an output current of 108 mA (2×54 mA/channel) (Ishibashi et al., 2011) [4]. We believe that the acceleration techniques of DPIS and the multi-beam type IH-RFQ linac are technical breakthroughs for heavy-ion inertial confinement fusion (HIF). The conceptual design of the RF linac with these techniques for HIF is studied. New accelerator-systems using these techniques for the HIF basic experiment are being designed to accelerate 400 mA carbon ions using four-beam type IH-RFQ linacs with DPIS. A model with a four-beam acceleration cavity was designed and manufactured to establish the proof of principle (PoP) of the accelerator.
