In rusununguko-electron Laser (FEL), mumwe relativistic electron danda rinopfuura kuburikidza vaviri undulators kuti ane arrays kuti dipole magnets vane minda pfungwa mune alternating mirayiridzo. The electrons emit synchrotron nemwaranzi kuti coherently interact pamwe chete electrons kuti zvakasimba kuwedzera mwaranzi munda panguva resonance kakawanda. FEL anogona kubudisa coherent mukuru-kupenya electromagnetic nemwaranzi ane zvakawanda frequencies, kubva microwaves kuti nyoro X-rays. midziyo iyi inoshandiswa mukugadzira, kukurukurirana, uye mune zvokurapa zvikumbiro, akadai nyoro tishu kuvhiya. Electrons zvinokosha cathode mwaranzi sepombi, izvo zvave zvikuru kushandiswa sezvo vanoratidza mudziyo murabhoritari, kombiyuta monitors uye terevhizheni.
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