Semiconductor laser's power follower circuit

The embodiment of the utility model discloses semiconductor laser's power follower circuit relates to semiconductor laser's circuit technical field. Semiconductor laser's power follower circuit includes current control circuit and electric current acquisition circuit, the current control circuit inserts laser diode's load terminal, and the current control circuit with electric current acquisitioncircuit links to each other with the form of circuit, electric current acquisition circuit inserts switching power supply's cathode output and mains voltage adjusted end mouth. An embodiment of the utility model discloses a semiconductor laser's switching power supply can be in the steady job state, and then reinforcing semiconductor laser job stabilization nature always. 本实用新型实施例公开了种半导体激光器的电源跟随电路，涉及半导体激光器的电路技术领域。所述半导体激光器的电源跟随电路包括电流控制电路和电流采集电路；所述电流控制电路接入所述激光二极管的负载接线端子，并且所述电流控制电路与所述电流采集电路以电路的形式相连；所述电流采集电路接入所述开关电源的负极输出端和电源电压调整端口。本实用新型实施例公开了的半导体激光器的开关电源能够直处于稳定的工作状态，进而增强半导体激光器工作的稳定性。