Free electron laser based on the Smith–Purcell radiation |
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| Authors: | Minghong Wang Pukun Liu Guangying Ge Ruixin Dong |
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| Institution: | aSchool of Physics Science and Information Engineering, Liaocheng University, Liaocheng, Shandong 252059, China;bInstitute of Electronics, Chinese Academy of Sciences, Beijing 100080, China |
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| Abstract: | A Smith–Purcell (S–P) free electron laser (FEL) composed of a metallic diffraction flat grating, an open cylindrical mirror cavity and a relativistic sheet electron beam with moderate energy, is presented. The characteristics of this device are studied by theoretical analysis, experimental measurements and particle-in-cell (PIC) simulation method. Results indicate that coherent radiation with output peak power up to 50 MW at millimeter wavelengths can be generated by using relativistic electron beam of moderate energy. |
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| Keywords: | Smith– Purcell radiation Free electron laser Experimental measurements |
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