A multi-shot target wheel assembly for high-repetition-rate, laser-driven proton acceleration
[EN] A multi-shot target assembly and automatic alignment procedure for laser-plasma proton acceleration at high repetition rate are introduced. The assembly is based on a multi-target rotating wheel capable of hosting more than 5000 targets, mounted on a 3D motorized stage to allow rapid replenishm...
| Authors: | , , , , , , , , |
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| Format: | article |
| Publication Date: | 2024 |
| Country: | España |
| Institution: | Universitat Politècnica de València (UPV) |
| Repository: | RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia |
| Language: | English |
| OAI Identifier: | oai:riunet.upv.es:10251/207494 |
| Online Access: | https://riunet.upv.es/handle/10251/207494 |
| Access Level: | Open access |
| Keyword: | High repetition rate Laser-plasma acceleration Multi-shot operation Proton source Target assembly |
| Summary: | [EN] A multi-shot target assembly and automatic alignment procedure for laser-plasma proton acceleration at high repetition rate are introduced. The assembly is based on a multi-target rotating wheel capable of hosting more than 5000 targets, mounted on a 3D motorized stage to allow rapid replenishment and alignment of the target material between laser irradiations. The automatic alignment procedure consists of a detailed mapping of the impact positions at the target surface prior to the irradiation that ensures stable operation of the target, which alongside the purpose-built design of the target wheel, enables operation at rates up to 10 Hz. Stable and continuous laser-driven proton acceleration at 10 Hz is demonstrated, with observed cut-off energy stability about 15%. |
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