Drive power supply of laser diodes
A technology of laser diode and driving power supply, applied in lasers, laser parts, semiconductor lasers, etc., can solve the problems of insufficient current control accuracy, poor anti-interference, large current ripple coefficient, etc., and achieve the output of laser diode pumped laser. The single pulse energy or power is stable and the beam quality is good
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[0021] The present invention will be further described below in conjunction with the embodiments and drawings, but the protection scope of the present invention should not be limited by this.
[0022] See first figure 1 , figure 1 It is a schematic diagram of the structure of the laser diode drive power supply of the present invention. It can be seen from the figure that the laser diode driving power supply of the present invention is composed of an embedded controller 2. The first pulse width modulation port 0 of the embedded controller 2 is connected to the input pin of the first field effect tube driving chip 3. The output pin of the field effect tube driving chip 3 is connected to the G pin of the P channel field effect tube 4, and the S pin of the P channel field effect tube 4 is connected to the positive pole of the power supply VDD14;
[0023] The second pulse width modulation port of the embedded controller 2 is connected to the input pin of the second field effect tube d...
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