Big power laser ware drive circuit

The utility model relates to a laser -driven power technology field has provided a big power laser ware drive circuit, and is specific: the working signal source is connected to the first signal driven one end, and the other end is through after connecting a detection circuitry, is connected to the one side in semiconductor laser's the feeder ear, the working signal source is connected to the 2nd signal driver's one end, and the other end is through after connecting the 2nd detection circuitry, is connected to the opposite side in semiconductor laser's the feeder ear, the first signal drive, the 2nd signal driver and semiconductor laser constitute a drive loop, a detection circuitry constitutes the first signal driven feedback circuit, the 2nd detection circuitry constitutes the 2nd signal driver's feedback circuit. The utility model discloses a change the characteristic in working signal source, can be through the operating current size and the pulse mode of the first signal drive and the 2nd signal driver control laser instrument, the protection circuit parameter can be conveniently set up, the multiple unusual protection of laser instrument is adapted to.