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A Guided Field for Raman Free Electron Laser Could Be Removed with New Beam Source |
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| Authors: | Ming Chang Wang Chi Yang Byung Cheol Lee Jongmin Lee |
| Affiliation: | (1) Laboratory for High Intensity Optics, Shanghai Institute of Optics and Fine Mechanics, P.O. Box 800211, Shanghai, 201800, People's Republic of China;(2) Korea Atomic Energy Research Institute, P.O. Box 105, Yusong, Taejon, 305-600, Korea |
| Abstract: | A guided field is an important part for focusing the intense beam in Raman free electron laser. A new electron beam source with high brightness of 1012A/(m rad)2 based on a pseudospark discharge was developed [1]. Numerical simulation showed that the guided field for compact free electron lasers could be removed using the new beam source. An electron beam with 12 kA current and 300 kV voltage was obtained. Self-pinch effect of high current beam was observed, the beam propagates 75 cm with constant diameter of 1.5 mm without guided field. |
| Keywords: | pseudospark discharge guided field electron beam |
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