Near-field optical measurement and analysis of Talbot effect in terahertz band H. C. Li, Y. Shen, S. X. Duan, L. Le, C. H. Zhao and X. H. Deng EPL, 149 4 (2025) 45001 Published online: 28 February 2025 DOI: 10.1209/0295-5075/adac07