Compact Ion Beam System for Fusion Demonstration
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arXiv
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| Format: | Preprint |
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2024
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| author | Chen, Allan Xi Liu, Nai-Wei Gunn, Alexander Su, Zhe Sigal, Benjamin F. Salazar, Matthew Abdalla, Nawar Chen, James Wong, Alfred Y. Wang, Qiong |
| author_facet | Chen, Allan Xi Liu, Nai-Wei Gunn, Alexander Su, Zhe Sigal, Benjamin F. Salazar, Matthew Abdalla, Nawar Chen, James Wong, Alfred Y. Wang, Qiong |
| contents | We demonstrate a compact ion beam device capable of accelerating H$^+$ and D$^+$ ions up to 75keV energy, on to a solid target, with sufficient beam current to study fusion reactions. The ion beam system uses a microwave driven plasma source to generate ions that are accelerated to high energy with a direct current (DC) acceleration structure. The plasma source is driven by pulsed microwaves from a solid-state radiofrequency (RF) amplifier, which is impedance matched to the plasma source chamber at the ISM band frequency (2.4-2.5GHz). The plasma chamber is held at high positive DC potential and is isolated from the impedance matching structure (at ground potential) by a dielectric-filled gap. To facilitate the use of high-energy-particle detectors near the target, the plasma chamber is biased to a high positive voltage, while the target remains grounded. A target loaded with deuterium is used to study D-D fusion and a B$_4$C or LaB$_6$ target is used to study p-$^{11}$B fusion. Detectors include solid-state charged particle detector and a scintillation fast neutron detector. The complete ion beam system can fit on a laboratory table and is a useful tool for teaching undergraduate and graduate students about the physics of fusion. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2407_04197 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Compact Ion Beam System for Fusion Demonstration Chen, Allan Xi Liu, Nai-Wei Gunn, Alexander Su, Zhe Sigal, Benjamin F. Salazar, Matthew Abdalla, Nawar Chen, James Wong, Alfred Y. Wang, Qiong Instrumentation and Detectors High Energy Physics - Experiment Nuclear Experiment We demonstrate a compact ion beam device capable of accelerating H$^+$ and D$^+$ ions up to 75keV energy, on to a solid target, with sufficient beam current to study fusion reactions. The ion beam system uses a microwave driven plasma source to generate ions that are accelerated to high energy with a direct current (DC) acceleration structure. The plasma source is driven by pulsed microwaves from a solid-state radiofrequency (RF) amplifier, which is impedance matched to the plasma source chamber at the ISM band frequency (2.4-2.5GHz). The plasma chamber is held at high positive DC potential and is isolated from the impedance matching structure (at ground potential) by a dielectric-filled gap. To facilitate the use of high-energy-particle detectors near the target, the plasma chamber is biased to a high positive voltage, while the target remains grounded. A target loaded with deuterium is used to study D-D fusion and a B$_4$C or LaB$_6$ target is used to study p-$^{11}$B fusion. Detectors include solid-state charged particle detector and a scintillation fast neutron detector. The complete ion beam system can fit on a laboratory table and is a useful tool for teaching undergraduate and graduate students about the physics of fusion. |
| title | Compact Ion Beam System for Fusion Demonstration |
| topic | Instrumentation and Detectors High Energy Physics - Experiment Nuclear Experiment |
| url | https://arxiv.org/abs/2407.04197 |