Dual wavelength pulse optical fiber laser system
A fiber laser, fiber laser technology, applied in lasers, laser devices, laser parts and other directions, can solve the problems of end face thermal damage, technical difficulty, and fiber laser output power improvement, etc., to improve output power, good beam quality, The effect of easy integration
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[0019] see first figure 1 , figure 1 It is a schematic structural diagram of the dual-wavelength pulsed fiber laser system of the present invention. It can be seen from the figure that the dual-wavelength pulsed fiber laser system of the present invention comprises a section of double-clad fiber 9 co-doped with erbium and ytterbium with a large mode area, and the output end face of the double-clad fiber 9 is fused with a section of hollow-core fiber that is ground and polished to a certain angle. The "fiber cap 10" is a pump light source 7 composed of a plurality of laser diodes with pigtail output, and the pump light source 7 couples the pump light into the double-clad fiber 9 input through a pump coupler 8 The inner cladding at the end, the seed light emitted by the first seed light source 1 and the second seed light source 4 placed vertically are combined into a bundle through the 45° dichroic plate 5, and coupled into the double-clad optical fiber 9 through an optical cou...
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