[in Chinese], [in Chinese], [in Chinese]. Extension of the Bandwidth for a Far-Infrared Free-Electron Laser[J]. Acta Optica Sinica, 1994, 14(8): 886
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Extension of the bandwidth is investigated for a waveguide free-electron laser (FEL) by adjusting the waveguide dimensions, or the electron beam energy, or the period and strength of the wiggler. A far-infrared FEL oscillator with the bandwidth of 400 μm is designed.