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首页> 外文会议>International symposium on superconductivity;ISS'98 >Double-Layered Superconducting Tubes (Supertrons) for Focusing and Guiding Intense Electron Beams
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Double-Layered Superconducting Tubes (Supertrons) for Focusing and Guiding Intense Electron Beams

机译：用于聚焦和引导强电子束的双层超导管（Supertrons）

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摘要

We proposed a double-layered superconducting tube consisting of an inner powder-pressed Bi(2223) tube and an outer melt-processed Y(123) tube. The tube thus prepared will focus electron beams ranging from single pulsed nanosecond-order to quasi-continuous electron beams. This is because the powder-pressed tube focuses single short-pulsed electron beams effectively as explained by a "ferrite-core model" and the melt-processed tube will focus continuous electron beams because of its few grain boundaries. In this paper, focusing characteristics of single powder-pressed and melt-processed tubes were described for single pulsed electron beams (approx340 keV, approx1 kA, and approx10 ns) as basic data for a double-layered tube.
机译：我们提出了一种双层超导管，它由一个内部粉末压制Bi（2223）管和一个外部熔融处理的Y（123）管组成。这样制备的管将聚焦从单脉冲纳秒级到准连续电子束的电子束。这是因为如“铁氧体-铁心模型”所解释的那样，粉末压制的管有效地聚焦了单个短脉冲电子束，而熔融加工的管由于其晶界很少而将聚焦连续的电子束。在本文中，描述了单粉末压制和熔融加工的管的聚焦特性，以作为双层管的基本数据用于单脉冲电子束（约340 keV，约1 kA和约10 ns）。

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