Semiconductor laser irradiation source circuit

Abstract

The invention discloses a semiconductor laser irradiation source circuit, which comprises a power supply, a laser drive circuit, a laser control circuit, a system state indicator circuit, a temperature protection circuit and a red light indicator circuit, wherein the power supply comprises a circuit power supply source VCC, a switching power supply PWR and a chip power supply VDD; the laser drive circuit comprises a laser constant-voltage circuit and a laser constant-current source circuit; the laser constant-voltage circuit is connected with the circuit power supply source VCC and the switching power supply PWR; the laser drive circuit is connected with the laser control circuit and the switching power supply PWR; the system state indicator circuit is connected with the switching power supply PWR; the temperature protection circuit is connected with the chip power supply VDD; and the red light indicator circuit is connected with the chip power supply VDD. The semiconductor laser irradiation source circuit has the characteristics of wide-range power supply input, miniaturization, high integration, high output power and the like, can drive a 1064nm semiconductor laser of 15W, and can provide various control signals and state command signals required for system integration; and secondary integration is facilitated.

Description

technical field [0001] The invention relates to a semiconductor laser illuminator, in particular to a semiconductor laser irradiation source circuit. Background technique [0002] In recent years, with the development of optoelectronic technology, semiconductor lasers have been used more and more widely, and can be applied to laser lighting, measurement, medical treatment, aiming instructions, etc. The semiconductor laser irradiation source device is an important part of semiconductor lasers, directly Affecting the performance of semiconductor lasers, traditional lasers generally have the disadvantages of complex structure, large volume, insufficient heat dissipation and large loss of laser power. Contents of the invention [0003] The invention provides a semiconductor laser irradiation source circuit device, which has the characteristics of simple structure, small volume, good heat dissipation effect, maximum reduction of laser power loss, and can solve the problems exis...

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Problems solved by technology

[0002] In recent years, with the development of optoelectronic technology, semiconductor lasers have been used more and more widely, and can be applied to laser lighting, measurement, medical treatment, aiming instructions, etc. The semiconductor laser irradiation source device is an important part of semiconductor lasers, directly Affecting the performance of semiconductor lasers, traditional lasers generally have the disadvantages of complex structure, large volume, insufficient heat dissipation and large loss of laser power

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