By using LabVIEW virtual instrument technique,a wavelength auto-measurement and control system for Sampled Grating DBR(SG-DBR) lasers is developed.

• 基于LabVIEW虚拟仪器平台,研制了一套可调谐取样光栅分布布拉格反射式(Sampled Grating Distributed Bragg Reflector,SG-DBR)激光器的波长自动测试控制系统。