Remote terahertz spectroscopy from extended two-color plasma filaments: The ALTESSE 2 project A. Talbi, B. Zhou, P. U. Jepsen, S. Skupin, A. Courjaud and L. Bergé EPL, 143 1 (2023) 10001 Published online: 27 June 2023 DOI: 10.1209/0295-5075/acdc4c