Active and passive hybrid mode-locked optical fiber laser with temperature compensation function
A fiber laser and temperature compensation technology, applied in the direction of lasers, laser components, phonon exciters, etc., can solve the problems of poor stability of output pulse repetition frequency, narrow laser spectrum, poor stability, etc., and achieve a large absorption wavelength range and a system The output is stable and the effect of overcoming poor stability
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Embodiment 1
[0023] Embodiment 1: Concrete structure of the present invention
[0024] The structure of an active-passive hybrid mode-locked fiber laser with temperature compensation of the present invention is shown in the attached figure 1 As shown, the structure is that the pumping light source 1 (980nm laser, the maximum output power is 1W) is connected to the input end of the fifth optical coupler 25 (1×2 standard single-mode optical coupler, the splitting ratio is 10:90) 90% output of the fifth optical coupler 25 is connected with the 980nm end of the wavelength division multiplexer 2 (980 / 1550nm wavelength division multiplexer), and the 1550nm end of the wavelength division multiplexer 2 is connected with the first optical coupler 3 (1×2 standard single-mode optical coupler, the splitting ratio is 10:90) connected to the input end; the 10% output end of the first optical coupler 3 is connected to the adjustable optical fiber filter 4 (produced by Beijing Zhongxun Spectrum Technolog...
Embodiment 2
[0026] Embodiment 2 Working process of the present invention and the effect of each main component
[0027] attached figure 1 In the shown structure, the pump light source 1 is used as the laser pump source of the whole system, the pump light source 1 passes through the fifth optical coupler 25, and a part (90%) of the output enters the system through the wavelength division multiplexer 2; The first optical coupler 3 with a ratio of 10:90 divides the laser light running in the cavity into two parts, one part (90%) is output to the third optical coupler 11, and the other part (10%) continues to resonate in the active mode-locked fiber laser Intra-cavity operation; the third optical coupler 11 with a splitting ratio of 40:60 divides the laser output from the first optical coupler 3 into two parts, one part (60%) is used as the laser output of the entire system, and the other part (40%) Output to the fourth optical coupler 12 as the feedback signal of the system; The adjustable...
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