Xianzhu Meng, Minghong Wang. Smith-Purcell Free Electron Laser Based on T-Shaped Grating[J]. Acta Optica Sinica, 2020, 40(10): 1014001
- Acta Optica Sinica
- Vol. 40, Issue 10, 1014001 (2020)
Fig. 1. Schematic diagram of the SP FEL. (a) SP FEL based on T shape grating; (b) SP FEL based on rectangular grating
Fig. 2. Parameters of gratings. (a) T shape grating; (b) rectangular grating
Fig. 3. Simulation geometry of SP FEL
Fig. 4. Distribution of kinetic energy along z axis of electron beam in SP FEL. (a) SP FEL based on T shape grating; (b) SP FEL based on rectangular grating
Fig. 5. Evolution curve of output power of the SP FEL. (a) SP FEL based on T shape grating; (b) SP FEL based on rectangular grating
Fig. 6. Corresponding FFT spectra of field power at output port of the SP FEL. (a) SP FEL based on T shape grating; (b) SP FEL based on rectangular grating
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Table 1. Resonator parameters and electron beam parameters of the SP FEL
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