Zhao, X., Wang, H., Xu, Y., Li, C., Qi, H., Guo, M., Peng, W., Chen, K. (2025). Fiber-optic photoacoustic sensor with SF6 purity correction for decomposition derivative H2S based on 1f and 2f dual-modes. Applied Physics Letters. https://doi.org/10.1063/5.0269814