利用高精度数据处理技术与二阶巴特沃兹低通滤波技术研制了一套可与液晶显示器(LCD)或计算机连接工作的激光测试系统,用于可见光波段中小功率激光器的光功率、光功率稳定性等参数的检测,最小分辨率为0.01mW。实验验证,系统的测量误差小于±5%。该激光测试系统工艺简单,价格低廉,检测结果直观、明确,测试精确度高,可广泛应用于中小功率激光器的生产、检测和使用。 A high-precision data processing technology and second-order Butterworth low-pass filter technology has been developed to work with a liquid crystal display (LCD) or a computer-based laser test system for low-power laser in the visible light band. The optical power and optical power are stable Sex and other parameters of the test, the minimum resolution of 0.01mW. Experimental verification, the system measurement error is less than ± 5%. The laser testing system has the advantages of simple process, low price, intuitionistic and clear test result, high testing accuracy and can be widely applied to the production, testing and use of medium and small power lasers.