Fengxiang MA, Yue ZHAO, Nan WANG, Xinyu ZHAO, Min GUO, Chenxi LI, Taiyun ZHU, Chen HANG, Ke CHEN. High-sensitivity Detection Technology of SF6 Decomposition Product H2S Based on Multi-pass Photoacoustic Cell[J]. Acta Photonica Sinica, 2023, 52(3): 0352121