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METHOD AND APPARATUS TO GENERATE HIGH POWER FEMTOSECOND LIGHT PULSES BY COMBINING NONLINEAR POLARIZATION ROTATION AND SATURABLE ABSORTION
METHOD AND APPARATUS TO GENERATE HIGH POWER FEMTOSECOND LIGHT PULSES BY COMBINING NONLINEAR POLARIZATION ROTATION AND SATURABLE ABSORTION
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机译：非线性极化旋转和可饱和吸收相结合产生大功率飞秒脉冲光的方法和装置
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摘要
The present invention relates to a high power optical fiber femtosecond laser resonator generated by the combination mode locking of nonlinear polarization rotation and saturable absorption. An optical fiber femtosecond laser resonator, which is an optical fiber based resonator of a ring-type structure, includes a nonlinear polarization rotation mode locking part which is formed on the resonator and generates an UHF pulse by pulse shaping, and a saturable absorption mode locking part which performs the nonlinear filtering of pulse amplitude, prevents the excess nonlinear phenomenon of the inner part of the resonator, generates an initial pulse, and removes a dispersive wave generated in a soliton pulse.
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