Semiconductor laser is a device with high power density and extremely high quantum efficiency. Small current changes will lead to great changes in optical power output and changes in device parameters (such as laser wavelength, noise performance, mode jump), which directly affect the safe operation and application requirements of the device. The semiconductor laser power supply LDD-AAVV-T designed and produced by our company is a continuously adjustable constant current power supply. It adopts the current internationally advanced semiconductor laser power supply solution and is produced with high-quality components. It has the advantages of low output noise, good constant current characteristics, stable current, strong anti-interference ability, and has a voltage stabilization and constant current dual protection circuit to prevent overshoot, recoil and anti-surge, ensuring the stable operation and service life of the laser. The LDD-AAVV semiconductor laser power supply is managed and controlled by a single-chip microcomputer. It is an intelligent high-precision constant current switching power supply that can be used as a supporting power supply for semiconductor laser marking machines. According to the characteristics of laser marking equipment, the power supply can also manage the switches of water pumps, indicator lights, galvanometers and Q switches. The power supply has an LCD display, which can provide various parameters and working status of the power supply, and has overvoltage, overcurrent, water temperature and water pressure alarm functions. It is an ideal power supply for semiconductor lasers. This power supply can also be used as other high-precision constant current sources for other equipment.
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