Afterflow device of laser pumping lamp

The utility model belongs to the technical field of laser power supply. The utility model discloses an afterflow device of laser pumping lamp includes the step up trigger module and the main power module of connecting with the pumping lamp, the trigger module that steps up to this mains voltage, punctures the pumping lamp to it produces the return circuit to cut off its high pressure after pumpinglamp afterflow success, main power module including establish ties between power and pumping lamp MOS switch tube, inductance and connect in parallel in the freewheeling diode at inductance and pumping lamp both ends, after the pumping lamp punctures, main power module is looped in with power, pumping lamp, and MOS switch tube high frequency break -make is to pumping lamp output pre -burning electric current, wherein, the inductance is for the trigger module's that steps up after the pumping lamp afterflow success high -pressure side coil. The utility model discloses main power module adoptsBUCK constant current circ