Ye Fan, Li Su-Wen, Mou Fu-Sheng, Wang Song, Wang Zhi-Duo, Tang Yu-Jie, Luo Jing. Research and application of differential optical absorption two-dimensional detection system for rotorcraft unmanned aerial vehicleJ. Acta Physica Sinica, 2024, 73(18): 180701. DOI: 10.7498/aps.73.20240909