Pulse modulation drive circuit of miniature semiconductor laser

Abstract

The invention discloses a pulse modulation drive circuit of a miniature semiconductor laser. The pulse modulation drive circuit comprises an external power supply interface circuit, a pulse generating circuit, a pulse shaping circuit, a high-speed pulse amplifier circuit, and a laser driver main power generation circuit. When the provided pulse modulation drive circuit is applied to the semiconductor laser, the power consumption and heating value of the semiconductor laser can be reduced; and the circuit has a small size and is suitable for a hand-held semiconductor laser with the small physical space. Meanwhile, the circuit has characteristics of simple structure, reliable performance, fast pulse response, high pulse output power, and high anti-interference performance.

Description

technical field [0001] The invention relates to the technical field of semiconductor laser electronic circuits, in particular to a micro-semiconductor laser pulse modulation drive circuit. Background technique [0002] Semiconductor lasers are a type of lasers that mature earlier and progress faster. Its application range covers the entire field of optoelectronics and has become the core technology of optoelectronics science today. However, at present, the driving circuits of micro semiconductor lasers all use continuous light output. Under the demand of medium and long-distance lighting, the driving circuit of continuous supplementary light consumes a lot of energy and generates a lot of heat, which leads to problems such as short working time of the equipment and high heat generation of the equipment. Contents of the invention [0003] In view of the above technical problems, the object of the present invention is to provide a pulse modulation drive circuit for a micro-s...

AI Technical Summary

Problems solved by technology

[0002] Semiconductor lasers are a type of lasers that mature earlier and progress faster. Its application range covers the entire field of optoelectronics and has become the core technology of optoelectronics science today. However, at present, the driving circuits of micro semiconductor lasers all use continuous light output. Under the demand of medium and long-distance lighting, the driving circuit of continuous supplementary light consumes high energy consumption and generates a lot of heat, which leads to problems such as short working time of the equipment and high heat generation of the equipment.

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