Monitoring cracks of metal structure based on grating thin-film sensorYiming Zhou, Ronghong Cui, Yujian Song, Tao Chen, Xianghong Fan, Binlin Ma and Tianyu ZhangJNWPU, 39 6 (2021) 1204-1211DOI: https://doi.org/10.1051/jnwpu/20213961204