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基于ARM半导体激光器的驱动设计及测试
资料介绍
在半导体激光器的使用过程中,驱动电路直接影响着激光器的稳定性。对此文中提出了一种高效、稳定,宽功率输出范围的设计方案,采用采样电阻和恒流电路实现稳定的闭环控制,得到恒定的驱动电流;利用热敏电阻温度特性,温度控制电路结合单片机控制系统,实现温度的闭环控制,从而实现了稳定的温度控制要求;结合恒温,恒流控制以及单片机系统,设计功率闭环控制方案。实验结果表明,不同温度下,功率计测得功率与驱动电流成良好的线性关系,且功率范围宽、电路可靠工作时间长、激光器单色性稳定、系统稳定性好。
In the applications of the semiconductor laser,the driving circuit directly affects the stability of the laser. A design solution with high efficiency,stability,wide range of power was put forward. In order to realize the stable closed-loop control,Sampling resistor and constant current circuit will be made use of,Then it gets a constant driving current. Using the themistor temperature properties and the control circuit of temperature with MCU control system,It obtains the temperature control of closed-loop,which meets requirenment of stable temperature control. With the constant temperature,constant current and MCU system,a design solution of closed-loop control will be realized. Experimental results s...
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| 文件名 | 大小 |
| 基于ARM半导体激光器的驱动设计及测试.pdf | 580K |
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