激光功率的实时监测在激光应用中是很重要的一个问题, 对半导体激光器内杂散光和激光输出功率的关系进行了研究, 并根据两者之间的关系设计了激光输出功率实时监测系统; 对杂散光信号监测和激光堆栈进行监测, 通过两者信号的变化和比较, 实现对半导体激光堆栈和激光器内部分光学元件的监测。

Real-time monitoring of laser output power is a very important problem in laser application. The relationship between stray light and laser output power in semiconductor laser is researched. Based on this, a real-time monitoring system of laser output power is designed. The stray light signal and the laser stack are monitored. Through the various and comparison of the signals, the semiconductor laser stack and some optical elements in the laser are monitored.