Present status of rf gun project at Waseda University

PACS2001. Proceedings of the 2001 Particle Accelerator Conference (Cat. No.01CH37268) Pub Date : 2001-12-01 DOI:10.1109/PAC.2001.987355

M. Washio, S. Kashiwagi, R. Kuroda, T. Oshima, Y. Hama, J. Urakawa, X. Wang

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Abstract

We have conducted the research project named "High-Tech Research Center Project" at Waseda University, which is supported by the Ministry of Education, Culture, Sports, Science and Technology. In this project, a laser photocathode rf-gun with 1.6 acceleration cells with Mg cathode has been installed for production of a low emittance and short bunched electron beam. The main parts of the rf source for the rf-gun consists of a 10 MW s-band klystron and a small pulse modulator. The pulse modulator has good stability and flatness of the output pulse. The amplitude jitter of klystron voltage was realized down to 0.38% (p-p) for 20000 pulses and the pulse flatness down to 0.25% (within >1.5 /spl mu/s pulse flat-top). A high quality electron beam is very powerful tool for the study of radiation physics, radiation chemistry, material science, etc. The development of short X-ray pulse generation by the inverse Compton scattering between a high quality electron beam and laser light, will be started in the 2001 fiscal year. The system will be applied to pulse radiolysis experiments for studies on radiation physics and chemistry.

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早稻田大学射频炮研究现状

我们在早稻田大学进行了“高科技研究中心项目”的研究，这是由教育，文化，体育，科学和技术省支持的。在本项目中，安装了带有1.6个Mg阴极加速电池的激光光电阴极射频枪，用于产生低发射度短束电子束。射频炮的射频源主要由一个10毫瓦s波段速调管和一个小型脉冲调制器组成。该脉冲调制器具有良好的稳定性和输出脉冲的平整度。实现了20000次脉冲速调管电压幅值抖动降至0.38% (p-p)，脉冲平整度降至0.25%(脉冲平整度在>1.5 /spl mu/s范围内)。高质量的电子束是辐射物理、辐射化学、材料科学等领域研究的有力工具。利用高质量电子束和激光之间的逆康普顿散射产生短x射线脉冲的研究将于2001财政年度开始。该系统将用于脉冲辐射分解实验，用于辐射物理和化学的研究。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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PACS2001. Proceedings of the 2001 Particle Accelerator Conference (Cat. No.01CH37268)

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