Information Optoelectronics Research Institute;
Harbin Institute of Technology(Weihai);
Weihai 264209;
Shandong;
China;
Shandong Institute of Shipbuilding Technology;
Weihai 264209;
Shandong;
China;
LIF⁃Lidar; Y⁃type optical fiber; common transceiver; oil spill detection;