超导透镜及其聚焦行为
Superconducting Lens and Its Focusing Effect
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摘要: 理论上分析了利用高温超导体作为透镜聚焦强流相对论电子束的机理。实验研究中,研制出的YBa2Cu3O7-d 高温超导体作为透镜的传输和聚焦性能被得到验证,结果表明,超导透镜具有明显的聚焦效果,并可有效控制束流强度分布,使被聚焦电子在束横截面上的分布更为均匀。Abstract: This paper analyses the mechanism responsible for focusing intense relativistic electron beams by the use of YBa2Cu3O7-d high-temperature superconductor lens. The transporting and focusing effects of the superconductor lens are confirmed in the experiments. The results show that the superconductor lens possesses obvious focusing effects, and makes the distribution of the electrons focused in the beam transverse-section evener.
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Key words:
- superconductor lens /
- intense relativistic electron beams /
- focus
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