Two-dimensional double-periodic Bragg resonators for free electron lasers
作者： N.S. Ginzburg , N.Yu. Peskov , A.S. Sergeev
DOI: 10.1016/0030-4018(93)90271-6
关键词: Resonator 、 Electron 、 Optics 、 Electromagnetic radiation 、 Wavelength 、 Transverse plane 、 Physics 、 Optical cavity 、 Free-electron laser 、 Distributed feedback laser
摘要: Abstract To realize spatial coherent radiation of ribbon relativistic electron beams with the transverse dimension essentially exceeding wavelength, we propose use a two-dimensional distributed feedback. This feedback can be provided in Bragg resonator formed by two double-periodic corrugating metal plates, when additional electromagnetic energy fluxes, that synchronize individual parts beam, take place. Eigenmodes 2D are found and its high selectivity is proved.
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