Abstract
The operation of a free-electron laser with a combined Bragg mirror resonator is studied theoretically. The resonator comprises a pair of planar Bragg reflectors with a two-and a one-dimensional relief pattern, respectively, and is closed in the transverse direction so as to ensure unidirectional outcoupling. It is demonstrated that this design provides for a possibility of obtaining spatially coherent radiation from a sheet electron stream with the cross size exceeding the wavelength by several orders of magnitude.
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Ginzburg, N.S., Sergeev, A.S., Peskov, N.Y. et al. Planar free-electron lasers with combined 1D/2D Bragg mirror resonators: A theoretical study. Tech. Phys. Lett. 26, 701–704 (2000). https://doi.org/10.1134/1.1307817
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DOI: https://doi.org/10.1134/1.1307817