可见光波段窄线宽波长可调激光器，高速高灵敏度光电探测器，基于光电集成技术的高灵敏度折射率仪，微型化光电集成传感器。 

 Narrow linewidth wavelength tunable visible laser, high speed and high sensitivity photodetector, integrated photonics   based refractometer, integrated photonics based micro sensors.