Electron gun and CVD diamond window for a 346 GHz sheet beam BWO

Popovic, Branko and Zheng, Yuan and Himes, Logan and Gamzina, Diana and Luhmann Jr., Neville C. and Paoloni, Claudio and Letizia, Rosa and Feng, Jinjun and Tang, Ye and Gao, Mengchao and Zhang, Fuzhi and Yue, Lingna and Tang, Xiaopin and Ting, Lu (2016) Electron gun and CVD diamond window for a 346 GHz sheet beam BWO. In: Proceedings of the 17th IEEE International Vacuum Electronics Conference (IVEC 2016). IEEE, USA. ISBN 9781467392174

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A collaboration between UC Davis, Lancaster University, Beijing Vacuum Electronics Research Institute (BVERI), and the University of Electronic Science and Technology of China (UESTC) is developing a 346 GHz backward wave oscillator (BWO) for use as a high frequency RF source in plasma fusion diagnostics, medical, biological, and security imaging systems. Development of new electron gun optics that achieve almost 100% beam transmission based on particle-in-cell simulations is presented along with comparisons of the cold and hot beam. Also, a CVD diamond pillbox window design is presented. Additionally, the mechanical layout of the devices is being completed and prepared for fabrication.

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14 Jun 2016 09:10
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15 Sep 2023 04:55