Laser pulse generator wide spectrum of

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The invention relates to laser technology, in particular to fiber lasers. Laser pulse generator wide spectrum of consists of pumping source and an annular resonator, formed by input device pumping radiation, active fiber with normal dispersion, doped with ions of rare-earth elements, optical insulator, saturation type transformer absorber, single-mode fiber - modulator, the output device of radiation and spectral filter. The fiber - modulator has abnormal dispersion, module which reduces along length of by exponential law. Effect consists in provision of possibility increase spectrum width of output pulse, virtue of the ny to increase the efficiency of nonlinear phase samomodulyatsii in fiber - modulator. 2 dwg.